MITSUBISHI Electronic Multi-Measuring Instrument

Transcription

1 MITSUBISHI Electronic Multi-Measuring Instrument Types ME96NSR ME96NSR-MB User s Manual Before operating the instrument, you should first read thoroughly this operation manual for safe operation and optimized performance of the product. Deliver this user s manual to the end user.

2 Check on Your Delivery Check the following as soon as you receive Mitsubishi Electronic Multi-Measureing Instrument : The package is in good condition. The product has not been damaged during transit. The product corresponds to your order specifications. This product has the following accessories. Parts name Quantity Specifications User s Manual (Simplified) 1 3 size ttachment lug (with screw) 2 bout the Optional Plug-in Module Sold Separately This product has the following optional plug-in module. It is possible to correspond to various I/O by installing the optional plug-in module. Type name of optional plug-in modules nalog output I/O specifications Pulse output Digital input Digital output ( 1) Communication ME-4201-NS96 4 circuits 2 points 1 point ME-0052-NS96 ( 2) 5 points 2 points ME-0040C-NS96 4 points CC-Link 1: The digital output of the ME-4201-NS96 is the alarm output of upper/lower limit. The digital outputs of the ME-0052-NS96 are opened or closed the contacts by the 16bit set register of the ModBus. 2: The ME-0052-NS96 is only combined with the type of ME96NSR-MB. In this manual, when the optional plug-in module is installed, it explains. Output nalog Output Pulse Output Digital Input Digital Output Output Load Resistance Specification 4 to 20mDC 600Ω max No-voltage a contact Contact Capacity: 35VDC, 0.1 Rated 24VDC (19 to 30VDC), under 4m Signal idth over 30ms (with DI latch HoLd, over 30ms of pulse can be latched) No-voltage a contact Contact Capacity: 35VDC, 0.2 ME-4201-NS96 ME-4201-NS96 ME-0052-NS96 ME-0040C-NS96 ME-4201-NS96 ME-0052-NS96 Optional Plug-in Module Type

3 Contents Check on Your Delivery... 2 bout the Optional Plug-in Module Sold Separately... 2 Contents... 3 Safety Precaution... 4 EMC Directive Instruction Features Display and Key Functions Function Modes Set-up 4.1 Set-up Diagram Menu 1: Basic Set-up Menu 2: Communication, Cancel of Digital Input Set-up Menu 3: Bar Graph Set-up Menu 4: Display of Each Measurement, etc. Set-up Menu 5: larm Set-up Menu 6: nalog Output Set-up Menu 7: Pulse Output Set-up Simplified Set-up Output djustment and How to Test 5.1 nalog Output djustment larm Output Test nalog Output Test Pulse Output Test Digital Output Test Operation 6.1 Display Change Phase Change Bar Graph Display Maximum Value and Minimum Value Display Cyclic Display Change Generation and Canncel of Upper/Lower Limit larm Harmonics Display Expanded Counting Display Display of Digital Input and Digital Output Setting Value Confirmation Mode Others 7.1 How to Rearrange the Display Pattern (P00) Display the Type of the Optional Plug-in Module Judgment Phase of larm Element Display Pattern Contents Maximum Scale Value Maximum Scale Table Measurement Characteristic Troubleshooting fter Service Dimensions Mounting iring iring Diagram Specifications Communication Specifications Set-up Table Example of Simple Set-up... 67

4 Safety Precaution (lways read these instructions before using this equipment) For personnel and product safety please read the contents of these operating instructions carefully before using. Please save this manual to make it accessible when required and always forward it to the end user. HZRD SYMBOLS Read these instructions carefully and look at the equipment to become familiar with the device before trying to install, operate, service or maintain it. Terminal of control power (M, MB) and voltage inputs (P1, P2, P3, PN) have hazards of electric shock, explosion, or arc flash. Turn off power supplying this device and the equipment in which it is installed before working on it. CUTION Indicates that incorrect handling may cause hazardous conditions. lways follow the instructions because they are important to personal safety. Otherwise, it could result in electric shock, fire, erroneous operation, and damage of the instrument. If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired. Normal service conditions Use the instrument in an environment that meets the Normal service conditions as following points: mbient temperature : -5 to +50 C, average day temperature exceeds 35 C Humidity : 30~85%RH, non condensing. ltitude : 1000m or less Pollution Degree : 2 tmosphere without corrosive gas, dust, salt, oil mist. Indoor use. Transient over voltage 4000V. place without excessive shocks or vibration. Do not expose to rain and water drips. Do not expose to direct sunlight. n area in where no pieces of metal and an inductive substance disperse. Do not expose to strong electromagnetic field and ambient noises. Installation instructions This instrument should be installed and used by a qualified electrician. The instrument must not be powered and used until its definitive assembly on the cabinet s door. Verify the following points; uxiliary power supply and measuring ratings. uxiliary power supply V C+10% -15% (50-60Hz) 8V V DC+10% -30% 5 M, MB terminals Ratings Voltage Current Frequency 277V C phase-neutral / 480V C phase-phase 5 (via current transformer) (max 30V C) 50/60Hz Category 3 Category 3 P1, P2, P3, PN terminals +C1, C1, +C2, C2, +C3, C3 terminals Provide the basic insulation externally at the current input terminals. Voltage-measuring and current-measuring circuit terminals should be permanently connected. Others ModBus communication Digital input Digital output nalog output Pulse output larm output T+, T-, Ter terminals D, DB, DG, DI1, DI2, DI3, DI4, COM, DI1+, DI1-, DI2+, DI2-, DI3+, DI3-, DI4+, DI4-, DI5+, DI5- terminals DO1+, DO1-, DO2+, DO2- terminals CH1+, CH1-, CH2+, CH2-, CH3+, CH3-, CH4+, CH4- terminals C1, C1B, C2, C2B terminals, COM terminals max 35V DC

5 Safety Precaution The instrument is to be mounted on a panel. ll connections must be kept inside the cabinet. Tighten the terminal screws with the specified torque and use the suitable pressure connectors and suitable wire size. hen wiring the instrument, be sure that it is done correctly by checking the instrument s wiring diagram. Be sure there are no foreign substances such as sawdust or wiring debris inside the instrument. Do not drop this instrument from high place. If you drop it and the display is cracked, do not touch the liquid crystal or get it in your mouth. If the liquid crystal is touched, wash it away at once. In order to prevent invasion of noise, do not bunch the control wires or communication cables with the main circuit or power wire, or install them close to each other. The distance between communicational signal lines, input signal lines and power lines, high voltage lines running parallel to each other are shown below. Conditions Below 600V, or 600 power lines Other power lines Protective conductor terminals for mains circuits shall be at least equivalent in current-carrying capacity to the mains supply terminals. If the protective conductor terminals is also used for other bonding purposes, the protective conductor shall be applied first and secured independently of other connections. Operation instructions CUTION ipe dirt off the surface with a soft dry cloth. Check the following points, (at the cycle of six months to one year) Condition of the appearance Unusual sound, a smell, and generation of heat Condition of the display Condition of the wiring and the attachment Storage conditions mbient temperature the : -20 to +60 C, average day temperature exceeds 35 C Humidity range 30~85%RH, non condensing. tmosphere without corrosive gas, dust, salt, oil mist. place without excessive shocks or vibration. Do not expose to rain and water drips. Do not expose to direct sunlight. n area in where are pieces of metal and an inductive substance disperse. Disposal hen disposing of this product, treat it as industrial waste. battery is not used for this product. Guarantee The period of guarantee is earlier date of either 18 months from the manufacture date or 1 year from the sale date, except in the case that the failure has been caused by bad handling of the product, provided that it has been installed according to the manufacture s instructions. e cannot take responsibility about the loss and lost profits caused by the damage, failure of the product caused by no fault of our company. Replacement Cycle lthough it depends on the status of use, 10 years is the guideline for renewal. Length 30cm or more 60cm or more hen the external terminals are connected to the external equipments, the instrument and the external equipments must not be powered and used until its definitive assembly on the cabinet s door. The rating of the terminal of the external equipment should satisfy the rating of the external terminal of this instrument. Maintenance instructions CUTION Do not touch the terminals while all the circuits connected to this instrument are alive. Do not disassemble or modify the instrument. Do not contact a chemical dust cloth to the instrument for a long time, or do not wipe it with benzene, thinner, alcohol.

6 EMC Directive Instruction This section summarizes the precautions on conformance to the EMC Directive of the cabinet constructed using this instrument. However, the method of conformance to the EMC Directive and the judgment on whether or not the cabinet conforms to the EMC Directive has to be determined finally by the manufacturer. 1. EMC Standards The standards applicable to the EMC Directive (No.89/336/EEC) are listed below. (1) Radiated radio frequency emission EN /2001 (2) Radiated radio frequency electromagnetic field immunity EN / Installation (EMC directive) The instrument is to be mounted on panel of a cabinet. Therefore, the construction of a cabinet is important not only for safety but also for EMC. The instrument is examined by the following conditions. Conductive cabinet is used. Six faces of a cabinet have to be ensured conductivity for each other. cabinet has to be connected to earth by a thick wire of low impedance. Holes on faces of cabinet have to be 10 cm or less in diameter. The terminals for protective earth and functional earth have to be connected to earth by a thick wire of low impedance. ( terminal for protective earth is important not only for safety but also for EMC.) Protective earth: Maintains the safety of the instrument and improves the noise resistance. Functional earth: Improves the noise resistance. ll connections must be kept inside the cabinet. irings outside the cabinet have to be used with the shielded cable. The following diagram shows how to provide good contact of the shielded cable. Remove part of the outer cover. Remove part of the paint musk on the cabinet. Connect those parts with the clamp. Screw Shield section Clamp fitting Paint mask Shielded cable

7 1. Features This instrument measures the load status by inputting the secondary side of the VT and CT, and displays various measurement values. In addition, telemonitoring can be done by a variegated output function. Various Measurement Parameters Phase wire system Current Current demand Voltage D V Three phase 4-wire 1, 2, 3, N, VG D1, D2, D3, DN, DVG V12, V23, V31, VLLVG or V1N, V2N, V3N, VLNVG Σ, 1, 2, 3 Σvar, var1, var2, var3 ΣV, V1, V2, V3 ΣPF, PF1, PF2, PF3 Three phase 3-wire 1, 2, 3, VG D1, D2, D3, DVG V12, V23, V31, VLLVG ctive power Σ Reactive power var Σvar pparent power V Power factor PF ΣPF Frequency Hz Hz ctive h Imported, Exported Reactive varh Imported lag, Imported lead, Exported lag, Exported lead Harmonic current HI HI1, HI2, HI3, HIN HI1, HI2, HI3 THD, h1, h3, h5, h7, h9, h11, h13 (RMS, Distortion ratio) Harmonic voltage HV HV1N, HV2N, HV3N HV12, HV23 THD, h1, h3, h5, h7, h9, h11, h13 (RMS, Distortion ratio) Refer to the followings in this manual. verage value: VG ex) verage value of current : VG Total RMS : Σ Three phase active power : Σ s for voltage, the phase to phase is described L-L, the phase to neutral is described L-N. ex) Phase 1 to phase 2 voltage: V12 Phase 1 to neutral voltage : V1N Element simultaneous display of four measurements by large-scale bar graph and digital three-stage display. ith the combination of bar graph and digital three-stage display, four measurement items can be displayed at the same time. Main measurements (, V,, PF) of the incoming panel can be displayed at the same time. nd VG, 1, 2 and 3 can be displayed at the same time, also. Higher dimension measurement monitoring function by measurement SIC of original our company. Measuring elements are current, voltage, active power, reactive power, apparent power, power factor and frequency. In addition, it can measure harmonics and count active (imported, exported) and reactive (imported lag, imported lead, exported lag, exported lead). Conformity with the standards. This instrument conform with the UL/cUL (Component Recognition), CE Marking, KC Mark and FCC/IC. Small & Flexible. Its dimension is 96 96mm of DIN size, the depth is 86mm, smaller than the previous model. nd, it does not need the onerous specification of phase wire system when it is ordered because three phase 3- wire or the three phase 4-wire can be set in the set up mode. In addition, because the output option can be installed later, it is possible to hold down initial investment to a phased system expansion plan. Remote Input/Output Functions. It can expand the remote input/output functions to the ModBus communication. It can observe the state of five digital inputs and control two digital outputs with the electric power monitor. nd, because the latch function is provided in the remote digital input and the pulse signal of 30ms or more can be maintained, it is possible to use it as an input monitor of the OCR alarm of CB. Test Functions. It can make sure the check of wiring and the check of monitor program of system with the test functions of analog outputs, pulse outputs, alarm outputs and reply of communication data if there is no measurement input at the start-up of the equipment.

8 2. Display and Key Functions Display LED status LG status Scale of the bar graph Outside range larm indicator Bar graph status Phase status Unit Metering status Harmonics Communication status larm status Test status Setup status Digital They show direction of Power Factor or Reactive Power on bar graph. They show the type of counting of Reactive Energy on Reactive Energy Display. They show the scales of the bar graph. Measurement value is outside range of scale of the bar graph. It shows the setting value of the upper limit or lower limit. They show the item expressed with the bar graph. They show the phase for each of the digital displays. They show the unit for each of the digital displays. hen it is blinking, the instrument is counting active. It means that the digital displays are harmonics values. It shows that the instrument is equipped with a communication function. It blinks under the condition of a communication error. They show that the upper limit value or lower limit value was exceeded. It shows that the output of the option module is tested. It appears at Set-up mode. The measured value is displayed in a digital number. Note: The above display is an example for explanation.

9 2. Display and Key Functions Functions of operation key RE MX/MIN PHSE Set key Reset key Maximum/ Minimum Phase change Display change +/ key key key key Meaning of code : (press), (press on over 1 second), (press on over 2 seconds), (press simultaneously) Set-up mode/ Operation mode Set value confirmation mode Special Basic + RE MX/MIN PHSE Display changes. Phase changes. Mode changes to the max./min. display and the instantaneous display. n alarm condition is canceled. The item expressed with the bar graph is changed. Stop the auto cyclical change. ( 1) Harmonics number changes at harmonics display. The displays changes cyclically. The phases changes cyclically. ll alarm conditions are canceled. The latching data of digital input on the display is canceled. The max./min. values on the display are reset to the instantaneous values. ll of the max./min. values are reset to the present values. The counting values of 3 digits of low lank are displayed. fter pressing once again, the display returns. ( 2) ll of the counting values are zero reset. The display of set-up mode appears. The display of set value confirmation mode appears. The setup contents that is blinking is saved. The setup contents is changed to next content. The display of set-up menu appears. (t the final contents of the setup.) The End display appears. (t the final contents of the setup in the simplified set-up menu.) fter the setup contents are saved, the display on operation mode appears if it is the End display. fter the setup contents are not saved, the display on operation mode appears if it is the CNCEL display. The display of set-up menu appears. The End display appears. (In the simplified set-up menu.) The values of set-up and number of the menu are changed. (If it presses for 1 sec or more fast forward or fast return.)( 3) The CNCEL display appears at the End display. The values of set-up and number of the menu are changed. Then it is carry up and fast forward or fast return. ( 4) Change the display of simplified set-up menu, and move to the start. (The setup contents are saved.) Back to the previous contents. (The setup contents are saved.) The display of set-up menu appears. (t the start setup contents, and at the display of the option module.) The End display appears. (t the start setup contents in the simplified set-up mode.) The display of simplified set-up mode appears. (t blinking the End in the set-up mode.) The type of the option module appears. (t blinking the End in the set-up mode.) The instrument is initialized. (t the CNCEL display.) 1: Each the phase cyclic and the display cyclic are stopped. 2: It is available only that displayed element in the displayed h, varh. 3: The last digit is fast-forwarded for 4 step per second. 4: The one step up digit from the last one is fast-forwarded for 4 step per second. It is available only the set of the ModBus address and the set of CC-Link station number. Note: hile the back light is off, if the operation key is pressed, the back light is always lit. If the operation button is pressed once again, the function in the above table appears. Notes If the function of maximum value and minimum value reset and h, varh zero reset are done, data will be lost. Before the operation, please record data. If the function of initializing of instrument is done, the entire measurement (measurement display, alarm, analog output, pulse) stops.

10 3. Function Modes This meter has 4 kinds of function modes. Use it at each mode according to your requirements. Diagram of Each Mode Operation mode Set-up mode Set-up Menu 1 Instantaneous value cyclic display change Maximum value and minimum value cyclic display change Set-up Menu 2 Set-up Menu 3 Set-up Menu 4 Instantaneous value display Maximum value and minimum value display Set-up Menu 5 Set-up Menu 6 Set-up Menu 7 Set-up Menu 8 Instantaneous value cyclic phase change Maximum value and minimum value cyclic phase change Simplified set-up Menu Set value confirmation mode Set-up Menu 1 Test mode Set-up Menu 2 Set-up Menu 3 larm Output Test Set-up Menu 4 nalog Output Test Set-up Menu 5 Set-up Menu 6 Pulse Output Test Digital Output Test Set-up Menu 7 Set-up Menu 8 Note: Shaded set menus of the set value confirmation mode are only for confirming set values, and their settings cannot be changed.

11 3. Function Modes Outline of Function Mode Operation mode Measuring and displaying in this mode. Instantaneous value display The instantaneous values of the set-up display pattern are displayed. Usually, this display is used. Maximum value and minimum value display The maximum values and minimum values are displayed. (see page 39) Instantaneous value cyclic display change Instantaneous value displays are automatically changed every 5 seconds. (see page 40) Instantaneous value cyclic phase change Instantaneous value phases are automatically changed every 5 seconds. (see page 40) Maximum value and minimum value cyclic display change Maximum value and minimum value displays are automatically changed every 5 seconds. (see page 40) Maximum value and minimum value cyclic phase change Maximum value and minimum value phases are automatically changed every 5 seconds. (see page 40) Set-up mode In this mode, all the setting items including primary voltage, primary current, and so forth can be set. Set necessary items before operation. (see pages 12 to 31) Set value confirmation mode This mode is for checking the contents of the set-up items. In this mode, the contents of the all set-up items are protected from changing accidentally. (see page 44) Test mode In this mode, the output function can be tested, when the option module is installed. mock output can be put out even if only it supplies power to the instrument, and there is no input. This mode is independent of other modes. (see page 33 to 36)

12 4. Set-up 4.1 Set-up Diagram For correct measurement, it is necessary to set the primary voltage and the primary current, etc. in the set-up mode. It can set necessary items, after it shifts from the Operation mode to set-up mode. Items are not set is the initial setting. In the case of normal use, it can use only by the set-up menu 1 (basic set-up). In the case to use the communication function, set the set-up menu 2. Refer to the next page or later for the set-up items. Operation mode Measurement display Set-up menu End Set-up menu 1 Set-up menu 2 End display Type of option display Simplified set-up menu P-1 Phase wire Display pattern Using VT/ direct input Phase wire Display pattern Using VT/ direct input Communication method ModBus address ModBus baud rates CNCEL display (Example) Direct voltage Direct voltage ModBus parity Secondary voltage Secondary voltage ModBus stop bit Primary voltage Primary voltage CC-Link station number Shift automatically Initializing process Primary current Time constant for current demand Secondary current Primary current CC-Link baud rates Communication module reset Example of set-up mode P-2 Communication method Time constant for current demand Digital input reset blink Example of set value confirmation mode extinction ModBus address ModBus baud rates ModBus parity ModBus stop bit CC-Link station number CC-Link baud rates Communication module reset CUTION 1. Make sure to set for Direct voltage, Secondary voltage, Primary voltage, Secondary current, Primary current. (Or check the set-up contents.) correct measurement cannot be done if the set-up contents are wrong. 2. Set for the other set-up contents when it is necessary. hen it is not done, it operates with the initial contents (refer to page 66).

13 4. Set-up 4.1 Set-up Diagram How to ccess the Set-up Items. 1 Press the key and the RE key simultaneously for 2 seconds to get in the set-up mode. 2 Select a set-up menu number by + or key. 3 Change the contents in each set-up menu. (Refer to pages 14 to 27.) 4 fter completion of set-up, select End in the set-up menu and press the key. 5 hen the End display appears, press the key once again. Set-up mode or set value confirmation mode Set-up menu 3 Set-up menu 4 Set-up menu 5 Set-up menu 6 Set-up menu 7 Set-up menu 8 Current maximum scale Expanded counting larm item nalog output 1 Pulse output 1 nalog output 1 dj. ctive power maximum scale Harmonics larm value nalog output 2 Pulse output 2 nalog output 2 dj. Reactive power maximum scale Digital input/output larm delay time nalog output 3 Pulse width nalog output 3 dj. Power factor scale Back light ON/OFF larm cancel method nalog output 4 nalog output 4 dj. Current display digit nalog output limit Voltage display digit ctive power display digit Reactive power display digit pparent power display digit This figure writes all set menus. There is a menu not displayed by the presence of the setting condition and the option. rrow in figure Omitted in figure ction Shift from the operation mode to the set-up mode. Shift from the operation mode to the set value confirmation mode. Select the menu number to set or End. Get into each setting screen. Shift to the next setting item. Go back to the previous setting item. Select a set value. Shift to the End screen. Memorize the setting contents, and go back to the operation mode. Select CNCEL. Cancel the setting. Skip remaining setting items during setting. Shift from the set-up mode to simplified set-up menu. Display the type of option unit. Initializing of instrument Change the page of the simplified set-up menu. RE or or or PHSE MX/MIN PHSE PHSE Key operation Press them simultaneously for 2 seconds. Press it for 2 seconds. Press it several times. Press it. Press it. Press it several times. Press it. Press it. Press it. Press it. Press it for 1 second. Press them simultaneously for 1 second. Press them simultaneously for 1 second. Press it.

14 4. Set-up 4.2 Basic Set-up Set-up Menu 1 In this set-up menu 1, set-up the basic contents as following for correct measurement. In the operation mode, after pressing and RE simultaneously for 2 seconds or more, the following operation becomes available. The underline shows the initial value. Set-up menu Set the set-up menu number to Ò1Ó. (Set as shown in the right display.) 1 Set the phase wire system. 1 Phase wire 3P3.2Ct 3P3.3Ct 3P4 : : : Three phase 3-wire (2CT) Three phase 3-wire (3CT) Three phase 4-wire 2 Set the display pattern. (Initial content: P13) Note: s for detailed display patterns, refer to pages 48, 49. K: Displayed in display setting. : Set by the set-up menu 4. (page 20 to 21) M: Select P00, and set display sequence and display position. (page 45 to 46) D: current demand, HI: harmonic current, HV: harmonic voltage, DI: digital input, DO: digital output (DI/DO: only when option module is installed) V: Three phase 4-wire only 2 Display pattern Display pattern P01 P02 P03 P04 P05 P06 P07 P08 P09 P10 P11 P12 P13 P00 h Exported varh D V PF var Hz V h varh active HI HV DI Special DO 3 Choose VT or direct input (without VT). 3 Using VT/ direct input YES : using VT no : direct input Initial content Three phase 3-wire : using VT Three phase 4-wire : direct input 4 Direct voltage 4 Set-up the rated voltage for scaling of the bar graph. If you set ÒYESÓon set-up No.3, this display does not appear. Three phase 4-wire Three phase 3-wire (phase to phase(l-l)/phase to neutral(l-n)) (phase to phase(l-l)) 110V/63.5V 173V/100V 190V/110V 380V/220V 415V/240V 440V/254V 480V/277V 110V 220V

15 4. Set-up 4.2 Basic Set-up Set-up Menu 1 5 Set the secondary voltage values of VT. If you set ÒnoÓon set-up No.3, this display does not appear. 5 VT secondary Three phase 4-wire Three phase 3-wire voltage 63.5V 100V 110V 115V 120V 100V 110V 220V 6 VT primary voltage +, 6 Set the primary voltage value of VT in the case of using VT. If you select ÒnoÓon set up No.3, this display does not appear. Initial setting Three phase 3-wire : 10000V Three phase 4-wire : 200V From top digit, select the value of the flickering digit by + and. The setting digit can be moved to right by. The setting digit can be moved to left by. The number of settable digits are upper 3 digits. Setting is available in the range from 60V to 750kV (750000V). If it is set on range other than 60V to 750kV, error display (E05) appears. t the moment of the error display, press and review the set value, and set it once again. hen is pressed at the lowest digit, the setting item goes to the next one. 7 CT secondary 7 Set the secondary current value of CT. current Set the primary current value of CT. (The initial value is 5.) 8 CT primary +, current From top digit, select the value of the flickering digit by + and. The setting digit can be moved to right by. The setting digit can be moved to left by. The number of settable digits are upper 3 digits. Setting is available in the range from 5 to 30k (30000). If it is set on range other than 5 to 30k, error display (E05) appears. t the moment of the error display, press and review the set value, and set it once again. hen is pressed at the lowest digit, the setting item goes to the next one.

16 4. Set-up 4.2 Basic Set-up Set-up Menu 1 9 Set up the time constant for calculating current demand. 9 Time constant for current demand 0 second 10 seconds 20 seconds 30 seconds 40 seconds 50 seconds 1 minute 2 minutes 3 minutes 4 minutes 5 minutes 6 minutes 7 minutes 8 minutes 9 minutes 10 minutes 15 minutes 20 minutes 25 minutes 30 minutes Note: Even when the display pattern do not display the current demand, this screen appears. If the current demand is not necessary, press as it is. Set-up menu ccording to the set-up diagram (page 13), save the changed contents or continue to the other set-up menu. In the case of use only by the Set-up Menu 1 (basic set-up), go to 5. Operation in page 37. In the case to use additional functions, go to Set-up Menus 2 to 8 in page 17 to 32. Note If the contents in the Set-up Menu 1 are changed, maximum value, minimum value, and demand value of related measurement items will reset. (However, all of the counting values are not reset.)

17 4. Set-up 4.3 Communication, Cancel of Digital Input Set-up Set-up Menu 2 In the operation mode, press and RE simultaneously for 2 seconds or more, and the following operation becomes available. Set-up menu Set the set-up menu number to 2. (Set as shown in the right display.) 1 Communication method 1 Set the CC-Link or ModBus as the communication method. This display appears only if the type ME96NSR-MB has the type ME-0040C-NS96 optional plug-in module. CC : CC-Link 485 : ModBus 2 ModBus address 2 Set the ModBus address number. In case of CC-Link, this display does not appear. Settable addresses: 1 to Set the ModBus baud rate. In case of CC-Link, this display does not appear. 3 ModBus baud rates Settable baud rate: 2400 bps 4800 bps 9600 bps 19.2 kbps 38.4 kbps 4 ModBus parity 4 Set the ModBus parity. In case of CC-Link, this display does not appear. Settable parity: non odd EVEn 5 ModBus stop bit 5 Set the ModBus stop bit. In case of CC-Link, this display does not appear. Stop bit : 1 Stop bit : 2

18 4. Set-up 4.3 Communication, Cancel of Digital Input Set-up Set-up Menu 2 6 CC-Link station number 6 Set the CC-Link station number. In case of ModBus, this display does not apper. Settable addresses: 1 to 64 7 Set the CC-Link baud rates. In case of ModBus, this display does not apper. 7 CC-Link baud rates Settable baud rates: 0: 156k 1: 625k 2: 2.5M 3: 5M 4: 10M 8 Communication module reset 8 Reset of communication module. In case of ModBus, this display does not apper. Set it on. off on Note: hen it is not set on ON, changed station number and baud rate do not become valid. 9 Set the digital input (DI) reset method. ithout digital input, this display does not apper. 9 Digital input reset uto: utomatic method HoLd: Manual method Note: hen selected the manual method (HoLd), input state is kept until the cancel operation is done manually. For the method of the cancel operation, refer to page 44. Set-up menu ccording to the set-up diagram (page 13), save the changed contents or continue to the other set-up menu.

19 4. Set-up 4.4 Bar Graph Set-up Set-up Menu 3 In the operation mode, press and RE simultaneously for 2 seconds or more, and the following operation becomes available. Set-up menu Set the set-up menu number to Ò3Ó. (Set as shown in the right display.) 1 Current maximum scale 1 Set the current maximum scale. The maximum scale is set in the range of about 40% to about 120% of the rated current. Note: This insturument s rating is 100% value. The maximum scale value becomes the value in the table on page ctive power maximum scale 2 Set the maximum scale of active power. The maximum scale is set in the range of about 20% to about 120% of the rated full load power. Note: This insturument s rating is 100% value. The maximum scale value becomes the value in the table on page Set the single/double deflection of active power. 3 ctive power scale hen + and are pressed, the scale value of bar graph flickers at single/double deflection. 4 Reactive power maximum scale 4 Set the reactive power maximum scale. The setting method is same as that of 2 maximum scale value of active power. 5 Set the power factor scale. 5 Power factor scale Set-up menu ccording to the set-up diagram (page 13), save the changed contents or continue to the other set-up menu. Note 1. ccuray is defined to rated current. lthough the maximum scale may display 120% or more of rated current and rated voltage in order to make the scale easy to read, current input is within 100% of rated current. 2. hen the display pattern that does not display power, reactive power, active and reactive is selected, the setting item related to them is skipped.

20 4. Set-up 4.5 Display of Each Measurement, etc. Set-up Set-up Menu 4 In the operation mode, press and RE simultaneously for 2 seconds or more, and the following operation becomes available. Set-up menu Set the set-up menu number to Ò4Ó. (Set as shown in the right display.) 1 Set the combination of display for active and reactive. Combination of imported/exported and lag/lead can be selected. Combination 1 in the diagram is for standard use. 1 Expanded counting # $ ctive (h) Imported Exported Imported lag Reactive (varh) (Exported) Imported (lag) (Exported) Imported (lead) lead lag lead Exported lag lead Display of combination! Display of Display of combination # Display of combination $ 2 Harmonics 2 Set the harmonic measurement. on : Harmonic measurement value is displayed. off : Harmonic measurement value is not displayed. 3 Digital input/output 3 Set the display of the digital input/output state. hen the ME-0052-NS96 or ME-0040C-NR96 type optional plug-in module is not installed, this menu is not displayed. on : The state of the digital input/output is displayed. off : The state of the digital input/output is not displayed. 4 Back light ON/OFF setting 4 Set the back light auto off (uto)/continuous on (HoLd). (Setting this is usually unnecessary.) HoLd (Continuous ON) uto (uto OFF) If you set to uto off, the back light turns off when there is no key operation for 5 minutes. hen the operation key is pressed, it is lit for 5 minutes. t this moment, the display is not changed. hen the operation key is pressed once again, the display is changed.

21 4. Set-up 4.5 Display of Each Measurement, etc. Set-up Set-up Menu 4 5 Current display digit 5 Set the current display digit. 888: 3 digits 8888: 4 digits 6 Voltage display digit 6 Set the voltage display digit. 888: 3 digits 8888: 4 digits 7 ctive power display digit 7 Set the active power display digit. 888: 3 digits 8888: 4 digits 8 Reactive power display digit 8 Set the reactive power display digit. 888: 3 digits 8888: 4 digits 9 pparent power display digit 9 Set the apparent power display digit. 888: 3 digits 8888: 4 digits Set-up menu ccording to the set-up diagram (page 13), save the changed contents or continue to the other set-up menu. Note: In No.t to No.o, the measurement elements that are not included in the display pattern setting are skipped.

22 4. Set-up 4.6 larm Set-up Set-up Menu 5 This sets the upper and lower limit alarm. The upper and lower limit set value mark (blinking) is displayed on the bar graph. From the display items, 4 items can be set. In the operation mode, press and RE simultaneously for 2 seconds or more, and the following operation becomes available. Set-up menu Set the set-up menu number to Ò5Ó. (Set as shown in the right display.) 1 Set the alarm item to be allowed to measurement items. Three phase 3-wire Three phase 4-wire 1 larm item 1 non upper limit lower limit Demand upper limit Demand lower limit V(L-L) upper limit V(L-L) lower limit upper limit lower limit var upper limit var lower limit PF upper limit PF lower limit Hz upper limit Hz lower limit Harmonic current total RMS value Harmonic voltage total distortion ratio non upper limit lower limit N upper limit Demand upper limit Demand lower limit Demand N upper limit V(L-N) upper limit V(L-N) lower limit V(L-L) upper limit V(L-L) lower limit upper limit lower limit var upper limit var lower limit PF upper limit PF lower limit Hz upper limit Hz lower limit Harmonic current total RMS value Harmonic current phase N RMS value Harmonic voltage total distortion ratio Display of non upper and lower limit alarm Display when upper limit is set to upper and lower limit alarm Note 1: measurement item that is not selected in the display pattern can be selected. Note 2: The alarm of, var, and PF is judged from the total RMS value. The upper alarm of and D is judged from the phase of 1, 2, 3 and N. The lower alarm of and D is judged from the phase of 1, 2 and 3. (N is excluded.) Note 3: The alarm of the total distortion ratio is judged from the phase of 1, 2 and 3. (N is excluded.) 2 Set the alarm value of alarm item 1. The set-up range is shown below. 2 larm value 1 to larm item, D, N, DN upper limit,d lower limit V upper limit V lower limit Set-up range 5 to 100 to 120% 3 to 10 to 95% 25 to 110 to 135% 20 to 70 to 95% Step 1% 1% 1% 1%, var upper limit 95 to 100 to 120% 1%, var lower limit PF upper limit 120 to 3 to 95% 0.05 to 1 to % 0.05 PF lower limit 0.05 to 0.5 to Hz upper limit Hz lower limit 45 to 65Hz 45 to 65Hz 1Hz 1Hz Harmonic current RMS value upper limit 5 to 35 to 120% 1% Harmonic voltage total distortion ratio upper limit 0.5 to 3.5 to 20% 0.5% Example display when upper limit is set to 100% Note 1: The upper and lower limit alarm mark by the bar graph is displayed in the step of about 5% though the digital value can be set in the above-mentioned step on, D, V, and var. However, the alarm is generated with the accuracy of the digital value. D: current demand Note 2: V alarm value is set according to the value of primary voltage (direct voltage)., D,, and var is set for value of rated scale. +, 3 larm item 2to 4 3 Set the upper and lower limit alarm item 2to 4 (L2, L3, L4) in the same method.

23 4. Set-up 4.6 larm Set-up Set-up Menu 5 4 Set the alarm delay time. 4 larm delay time, delay time of max/min value If the condition of limit exceeding continues for more than the delay time, the alarm generates. nd if it does not continue during this time, the maximum/minimum value is not updated. 0 seconds 5 seconds 10 seconds 20 seconds 30 seconds 40 seconds 50 seconds 1 minute 2 minutes 3 minutes 4 minutes 5 minutes 5 Set the alarm cancel method at generation of alarm. (screen, relay) Method Cancel method 5 larm cancel utomatic (uto) Manual (HoLd) hen there is no alarm generating condition, alarm is automatically reset. larm is reset by pressing RE. larm continues until RE is pressed. Display of automatic reset method method (see page 41) Display of manual reset method Set-up menu ccording to the set-up diagram (page 13), save the changed contents or continue to the other set-up menu.

24 4. Set-up 4.7 nalog Output Set-up Set-up Menu 6 In the operation mode, press and RE simultaneously for 2 seconds or more, and the following operation becomes available. The set-up screen can be displayed for measurement items that are not selected in display pattern. hen the ME-4201-NS96 optional plug-in module is not installed, this menu cannot be set. Set-up menu Set the set-up menu number to Ò6Ó. (Set as shown in the right display.) 1 Set the measurement item for analog output CH1. Select measurement element output from below. Three phase 3-wire non Three phase 4-wire non VG:CH1 D1 D2 2 3 N VG:CH1 D1 Note: D: current demand HI: harmonics current total RMS value HV: harmonics voltage total distortion ratio D3 D2 DVG D3 V12 DN V23 DVG V31 V1N VLLVG:CH2 V2N Σ:CH3 V3N Σvar VLNVG:CH2 ΣPF:CH4 V12 Hz V23 HI1 V31 1 nalog output CH1 HI2 HI3 VLLVG 1 measurement item HV12 2 HV23 3 Σ:CH3 var1 var2 var3 Σvar V1 V2 V3 ΣV PF1 PF2 PF3 ΣPF:CH4 Hz HI1 HI2 HI3 HIN HV1N HV2N HV3N

25 4. Set-up 4.7 nalog Output Set-up Set-up Menu 6 to 2 nalog output CH1 detailed set-up 2 Detailed analog output set-up (1) hen, D are set (6.1.1) Current value is set to the maximum output value of analog output. It can be set in the range of about 40% to about 120% of ratings. s for detailed set values, refer to the user s manual. (2) hen, var are set Power value and reactive power value are set to the maximum output value of analog output. (6.1.1) It can be set in the range of about 20% to about 120% of ratings. s for detailed set values, refer to the user s manual. In the case of, set to the single/double deflection. (initial content : single deflection) (6.1.2) m Single deflection m Example Double deflection of power (3) hen PF is set The power factor value to the maximum output value of analog output CH1 is set from /010 m m (4) hen Hz is set The frequency range of analog output is set. 50Hz 60Hz Note: hen it is set to 50Hz, output is made at span 45 to 55Hz. hen it is set to 60Hz, output is made at span 55 to 65Hz. These settings can be set separately from measurement items. to 3 nalog output CH2 to CH4 measurement item 3 nalog output CH2 to CH4 measurement item set-up nalog outputs CH2 to CH4 are set also in the same method as 1 analog output CH1 measurement item set-up. to 4 nalog output CH2 to CH4 detailed set-up 4 nalog output CH2 to CH4 detailed set-up nalog outputs CH2 to CH4 are set also in the same manner as 2 analog output CH1 detailed set-up. 5 Set of the analog output limit. 5 nalog output limit Set to cut undefined analog output. on : Cut undefined analog output. off: Don t cut undefined analog output. Note: s for output range, refer to page 53. Set-up menu ccording to the set-up diagram (page 13), save the changed contents or continue to the other set-up menu.

26 4. Set-up 4.8 Pulse Output Set-up Set-up Menu 7 In the operation mode, press and RE simultaneously for 2 seconds or more, and the following operation becomes available. hen the ME-4201-NS96 optional plug-in module is not installed, this menu cannot be set. Set-up menu Set the set-up menu number to Ò7Ó. (Set as shown in the right display.) 1 Set the output element to pulse output 1. t initial setting, imported active is set to pulse output 1, press to go to the next setting. 1 Pulse output item 1 Settable elements Display Pulse output element h Imported active (Pulse output 1) h Exported active varh (LG) Imported lag reactive (Pulse output 2) varh (LED) Imported lead reactive varh (LG) Exported lag reactive varh (LED) Exported lead reactive non No output Example of pulse output 1 Example of pulse output 2 2 Set the pulse value of pulse output 1. 2 Pulse output item 1 pulse value Pulse value is selected from the table below, according to total load [k]. Total load [k] = α (Primary voltage) (Primary current) 1000 α= 3 (Three-phase 3-wire) α=3 (Three-phase 4-wire) Example of pulse output 1 Primary voltage value is calculated by phase to newtral. Total load [k] Settable pulse value [k/pulse] 1 or higher and below kh/pulse 10 or higher and below kh/pulse 100 or higher and below kh/pulse 1000 or higher and below Mh/Pulse or higher and below Mh/Pulse or higher Mh/Pulse In case of reactive, k in the above table is exchanged into kvar, and kh into kvarh. 3 Pulse output item 2 3 Set the output element to pulse output 2. Pulse output 2 is set in the same method as q pulse output item 1 set-up. (t initial setting, imported lag reactive is set to pulse output 2.) 4 Pulse output item 2 pulse value 4 Set the pulse value of pulse output 2. Pulse output 2 is set in the same method as w pulse output item 1 set-up.

27 4. Set-up 4.8 Pulse Output Set-up Set-up Menu 7 5 Pulse width 5 Set the pulse width of output pulse s 0.500s 1.000s Note: hen the pulse width is set to 0.500s, 1.000s, and pulse unit is set to lowest settable unit, pulse output cannot follow, and the counting pulse may decrease when load is large. Set-up menu ccording to the set-up diagram (page 13), save the changed contents or continue to the other set-up menu.

28 4. Set-up 4.9 Simplified Set-up The setting contents of the main 16 items can be set by using two displays. It can be set by the method of substituting numerical value. For the setting contents, refer to the following table. Simplified setting page: P-1 Simplified setting page: P-2 No. q w e r Content Phase wire Display pattern Using VT/direct input Direct voltage No. t y u i Content VT secondary voltage VT primary voltage CT primary current Time constant for current demand No. o!0!1!2 Content Communication method ModBus address ModBus baud rates ModBus parity No.!3!4!5!6 Content ModBus stop bit CC-Link station number CC-Link baud rates Communication module reset In the operation mode, press and RE simultaneously for 2 seconds or more, and the following operation becomes available. By pressing PHSE in the simplified set-up mode, the simplified setting page is changed. Set the set-up menu number to ÒEndÓ. (Set as shown in the right Set-up menu display.) Press PHSE and simultaneously for 1 second or more. PHSE For 1 secend or more 1 Set the phase wire. 1 Phase wire 1 : 3P3 2CT 2 : 3P3 3CT 3 : 3P4 2 Set the display pattern. 2 Display pattern 00 : P00 to 13 : P13 3 Set using VT or direct input (without VT). 3 Using VT/ direct input 0 : direct input. 1 : using VT 4 Set the rated voltage scaling for the bar graph. If you set Ò1: using VTÓ on set up No.3, this content cannot be set. 4 Direct voltage [3P3] 1 : 110V 2 : 220V [3P4] 1 : 63.5/100V 2 : 100/173V 3 : 110/190V 4 : 220/380V 5 : 240/415V 6 : 254/440V 7 : 277/480V

29 4. Set-up 4.9 Simplified Set-up 5 Set the secondary voltage values of VT. If you set Ò0: direct inputó on set up No.e, this content cannot be set. 5 VT secondary voltage [3P3] 1 : 100V 2 : 110V 3 : 220V [3P4] 1 : 63.5V 2 : 100V 3 : 110V 4 : 115V 5 : 120V 6 VT primary voltage 6 Set the primary voltage values of VT. If you set Ò0: direct inputó on set up No.e, this content cannot be set It is set by the top 3digits voltage values and the exponent values (10 to the n-th power). The set-up order is the exponent values and the voltage values. Exponent values: 0 (10 0 = 1 time) 1 (10 1 = 10 times) 2 (10 2 = 100 times) 3 (10 3 = 1000 times) Voltage values: the top 3 digits (0 to 9) Example: Set-up to 10000V Exponent values: 2 Voltage values: CT primary current 7 Set the primary current values of CT. It is set by the top 3digits current values and the exponent values (10 to the (n-1)th power). The set-up order is the exponent values and the current values. Exponent values: 0 (10-1 = 0.1 time) 1 (10 0 = 1 time) 2 (10 1 = 10 times) 3 (10 2 = 100 times) Current values: the top 3 digits (0 to 9) Example: Set-up to 1250 Exponent values: 2 Current values: Set the time constant for calculating current demand. 8 Time constant for current demand 00: 0s 01: 10s 02: 20s 03: 30s 04: 40s 05: 50s 06: 1min 07: 2min 08: 3min 09: 4min 10: 5min 11: 6min 12: 7min 13: 8min 14: 9min 15: 10min 16: 15min 17: 20min 18: 25min 19: 30min (Page change of set-up display)

30 4. Set-up 4.9 Simplified Set-up 9 Communication method 9 Set the communication method. This is set only if the type of ME96NSR-MB has the CC-Link optional plug-in module. In case of the other combination, this content cannot be set. 1: CC-Link 2: ModBus!0 ModBus address!0 Set the ModBus address number. In case of CC-Link, this content cannot be set. ddress: 001 to 255!1 ModBus baud rates!1 Set the ModBus baud rate. In case of CC-Link, this content cannot be set. 1: 2400bps 2: 4800bps 3: 9600bps 4: 19.2kbps 5: 38.4kbps!2 ModBus parity!2 Set the ModBus parity. In case of CC-Link, this content cannot be set. 0: non 1: odd 2: even!3 ModBus stop bit!3 Set the ModBus stop bit. In case of CC-Link, this content cannot be set. 1: 1 2: 2!4 CC-Link station number!4 Set the CC-Link station number. In case of ModBus, this content cannot be set. ddress: 01 to 64!5 Set the CC-Link baud rate. In case of ModBus, this content cannot be set.!5 CC-Link baud lates +, 1: 156kbps 2: 625kbps 3: 2.5Mbps 4: 5Mbps 5: 10Mbps Note: If it doesn t have the communication function, contents on a simplified setting page P-2 (No.o to!6) cannot be set.

31 4. Set-up 4.9 Simplified Set-up!6 Communication module reset!6 Set the communication module reset. In case of ModBus, this content cannot be set. Set it 1. 0: OFF 1: ON Set-up menu ccording to the set-up diagram (page 13), save the changed contents or continue to the other set-up menu. Simplified Set-up contents list <Setting page: P-1> <Setting page: P-2> qphase wire 1:3P3 (2CT) 2:3P3 (3CT) 3:3P4 wdisplay pattern 00:P00 11:P11 01:P01 12:P12 02:P02 13:P13 03:P03 04:P04 05:P05 06:P06 07:P07 08:P08 09:P09 10:P10 eusing VT /direct input 0:direct input 1:using VT rdirect voltage [3P4] 1:63.5V/110V 2:100V/173V 3:110V/190V 4:220V/380V 5:240V/415V 6:254V/440V 7:277V/480V [3P3] 1:110V 2:220V ocommunication method 1:CC-Link 2:ModBus!0ModBus address 001 to 255!1ModBus baud rates 1:2400bps 2:4800bps 3:9600bps 4:19.2kbps 5:38.4kbps tvt secondary voltage [3P4] 1:63.5V 2:100V 3:110V 4:115V 5:120V [3P3] 1:100V 2:110V 3:220V!2ModBus parity 0:non 1:odd 2:EVEn yvt primary voltage [Exponent value] 0:60 to 999V 1:1000 to 9990V 2:10000 to 99900V 3: to V [Voltage value] (100 digits) (10 digits) (1 digit) 0to9 0to9 0to9 uct primary current [Exponent value] 0:5.0 to :100 to 999 2:1000 to :10000 to [Current value] (100 digits) (10 digits) (1 digits) 0to9 0to9 0to9 itime constant for current demand 00:0s 10:5min 01:10s 11:6min 02:20s 12:7min 03:30s 13:8min 04:40s 14:9min 05:50s 15:10min 06:1min 16:15min 07:2min 17:20min 08:3min 18:25min 09:4min 19:30min!3ModBus stop bit 1:1 2:2!4CC-Link station number 01 to 64!5CC-Link Baud rates 1:156kbps 2:625kbps 3:2.5Mbps 4:5Mbps 5:10Mbps!6Communication module reset 0:OFF 1:ON

32 5. Output djustment and How to Test 5.1 nalog Output djustment hen the ME-4201-NS96 optional plug-in module is installed, zero adjustment and span adjustment of analog output is possible. (Only for circuits set on analog output) Please adjust it only when the matches with the receiving instrument or the output have changed. In the operation mode, press and RE simultaneously for 2 seconds or more, and the following operation becomes available. Set-up menu Set the set-up menu number to 8. (Set as shown in the right display.) q Zero dj. for CH1 q Set the zero adjustment for CH1. ±50 steps can be set. (about ±0.3m ) w Span dj. for CH1 w Set the span adjustment for CH1. ±50 steps can be set. (about ±0.3m ) CH2, CH3 and CH4 can be adjusted the same as above. Zero adjustment 20m 4 m Span adjustment Single deflection 20m m Double deflection m 4 INPUT 0 INPUT 0 INPUT Set-up menu ccording to the set-up diagram (page 13), save the changed contents, or continue to the other set-up menu.

33 5. Output djustment and How to Test 5.2 larm Output Test hen the ME-4201-NS96 optional plug-in module is installed, simulated signal output to test the alarm output circuit can be put out. The following operation becomes possible when you turn on the power supply while pressing at the state of power failure. It is not possible to test without the optional plug-in module. Set the test menu number to Ò1Ó. Test menu q larm output test q Test the alarm output. hen +, is pressed, the display and the contact output are changed as follows. on (Closed) off (Opened) Test menu To test the other outputs, continue the test according to the procedures in 5.3 to 5.5. hen the test is finished, turn off the power supply.

34 5. Output djustment and How to Test 5.3 nalog Output Test hen the ME-4201-NS96 optional plug-in module is installed, simulated signal output to test the analog output circuit can be put out. The following operation becomes possible when you turn on the power supply while pressing at the state of power failure. It is not possible to test without the optional plug-in module. Set the test menu number to Ò2Ó. Test menu q nalog output CH1 test q Test the analog output CH1. hen +, is pressed, the display and the analog output CH1 are changed as follows. 0% output 50% output 100% output w nalog output CH2 test w Test the analog output CH2. hen +, is pressed, the display and the analog output CH2 are changed as follows. 0% output 50% output 100% output e nalog output CH3 test e Test the analog output CH3. hen +, is pressed, the display and the analog output CH3 are changed as follows. 0% output 50% output 100% output r nalog output CH4 test r Test the analog output CH4. hen +, is pressed, the display and the analog output CH4 are changed as follows. 0% output 50% output 100% output Test menu To test the other outputs, continue the test according to the procedures in 5.2 to 5.5. hen the test is finished, turn off the power supply.

35 5. Output djustment and How to Test 5.4 Pulse Output Test hen the ME-4201-NS96 optional plug-in module is installed, simulated signal output to test the pulse output circuit can be put out. The following operation becomes possible when you turn on the power supply while pressing at the state of power failure. It is not possible to test without the optional plug-in module. Set the test menu number to Ò3Ó. Test menu q Pulse output CH1 test q Test the pulse output CH1. hen +, is pressed, the display and the pulse output are changed as follows. on (Closed) off (Opened) w Pulse output CH2 test w Test the pulse output CH2. hen +, is pressed, the display and the pulse output are changed as follows. on (Closed) off (Opened) Test menu To test the other outputs, continue the test according to the procedures in 5.2 to 5.5. hen the test is finished, turn off the power supply.

36 5. Output djustment and How to Test 5.5 Digital Output Test hen the ME-0052-NS96 optional plug-in module is installed, simulated signal output to test the digital output circuit can be put out. The following operation becomes possible when you turn on the power supply while pressing at the state of power failure. It is not possible to test without the optional plug-in module. Set the test menu number to Ò4Ó. Test menu q Digital output CH1 test q Test the digital output CH1. hen +, is pressed, the display and the contact output are changed as follows. on (Closed) off (Opened) w Digital output CH2 test w Test the digital output CH2. hen +, is pressed, the display and the contact output are changed as follows. on (Closed) off (Opened) Test menu To test the other outputs, continue the test according to the procedures in 5.2 to 5.4. hen the test is finished, turn off the power supply. Note: The initial value of each CH of this test mode is Open. If CH is changed or this test mode ends, the output becomes Open.

37 6. Operation 6.1 Display Change By pressing, the measurement display switches over. Display change example (Display pattern: P01, Phase wire: Three phase 4 wire) First display Second display Third display Fourth display Note 1: hen the display is changed by pressing, the following display is displayed just for a few seconds. This shows that second display of the four displays is being displayed. Display number Note 2: Even in the maximum and minimum value display, when is pressed, the display will switch over. Reference Display items and sequences vary with display patterns (P01 to P13) and additional display. For detailed display pattern, refer to page 48, Phase Change By pressing PHSE, the current phase and the voltage phase switches over. Display change example (Phase wire: Three phase 3 wire) PHSE PHSE PHSE PHSE Current average value Power (total) Voltage average value Current phase 1 Power (total) Voltage phase 1-2 Current phase 2 Power (total) Voltage phase 2-3 Current phase 3 Power (total) Voltage phase 3-1 Note 1: hen PHSE is pressed, the phase will switch over, even in the maximum and minimum value display.

38 6. Operation 6.3 Bar Graph Display Measurement item to be displayed on bar graph can be selected. By displaying one item by a bar graph and other three items by digital numbers, four elements can be displayed at once. Explanation of Bar Graph In the bar graph, measurement elements shown by or are displayed. s for voltage, current, active power, reactive power, power factor, and frequency, they can be displayed on the bar graph even if they are not set on display pattern. Selection of Bar Graph Press + or, to select measurement elements to be displayed on the bar graph. The display element in the bar graph changes as follows by the display pattern that has been selected. (i) hen digital tri-level display are the same items [Three-phase 3 wire] VG (or Σ) of display measuring items V (L-L) VG VG Σ Σvar ΣPF Hz [Three-phase 4 wire] VG (or Σ) of display measuring items V (L-N) VG V (L-L) VG VG Σ Σvar ΣPF Hz [Three-phase 3 wire] Upper V (L-L) VG VG Σ Σvar ΣPF Hz Lower Middle [Three-phase 4 wire] Upper V (L-N) VG V (L-L) VG VG Σ Σvar ΣPF Hz Lower Middle Example of display of upper stage element on bar graph Example of display of power factor on bar graph

39 6. Operation 6.4 Maximum Value and Minimum Value Display The maximum values and the minimum values can be displayed. Display of maximum value and minimum value hen MX/MIN is pressed, the display changes into maximum value and minimum value display. nd when MX/MIN is pressed, the display changes back to the present value display. Display change example (Display pattern : P01) MX/MIN MX/MIN Present value display Maximum value and minimum value display Note 1: In the maximum value and minimum value display, bar graph is lit only between the maximum value and the minimum value. Note 2: hen the screen shifts to the maximum value and minimum value display, the following are displayed in the order below. N D DN V var V PF Hz HI HIN HV However, item that are not set for display are not displayed. Note 3: For harmonics, only the following maximum values are displayed. Harmonic current total effective value, 1st, 3rd, 5th, 7th, 9th, 11th, 13th current effective values Harmonic voltage total distortion ratio, 1st voltage effective value, 3rd, 5th, 7th, 9th, 11th, 13th containing ratio Reset of Maximum Value and Minimum Value hen RE is pressed for 2 seconds or more, the displayed maximum value and minimum value can be reset. (The maximum/minimum value and the present value become the same.) RE Note 1: The maximum values and minimum values not displayed are not reset. Note 2: ll degrees are reset for harmonics. hen RE and + are pressed simultaneously for 2 seconds or more, all the maximum values and minimum values are reset. Update of Delay Time If maximum/minimum values do not continue for a long time since delay time, it is not updated. (Delay time is set by set-up menu 5.) Please set the delay time when you do not want to make the maximum value updated in the condition of excessive value in short time such as starting currents of the motor. Note 1: hen delay time is set, the value whose value of middle stage is larger than the maximum value might be displayed until delay time passes. Note 2: The demand current, harmonics current, and harmonics voltage are not delayed, so the current and voltage may display larger value than the present value.

40 6. Operation 6.5 Cyclic Display Change In cyclic display, display and phases automatically change every 5 seconds. Cyclic Display hen is pressed for 2 seconds, the cyclic display screen appears. Cyclic display is possible even on the maximum value and minimum value display. Press for 2 seconds. Display for 5 seconds Display for 5 seconds Display for 5 seconds Display for 5 seconds Note 1: Before shifting to the cyclic display screen, the display blinks 3 times. Note 2: By pressing any key other than the, it goes back to manual display change. Note 3: In the cyclic display, display number is not displayed. Phase Cyclic Display hen PHSE is pressed for 2 seconds, the phase cyclic display screen appears. Phase cyclic display is possible even on the maximum value and minimum value display. PHSE Press for 2 seconds. Display for 5 seconds Display for 5 seconds Display for 5 seconds Display for 5 seconds Note 1: Before shifting to the cyclic display screen, the display blinks 3 times. Note 2: By pressing any key other than the, it goes back to manual display change.

41 6. Operation 6.6 Generation and Canncel of Upper/Lower Limit larm hen the value exceeds the upper or lower limit setting value set in advance, the display blinks and alarm can be output. (No alarm output when all of the input voltage/input current is zero) Set-up Refer to 4.6 larm Set-up. (see page 22) larm Indicator If the item that had alarm set-up is displayed on the bar graph, the alarm indicator appears. By blinking of, upper or lower limit is shown. Behavior During larm Generation larm condition: hen measurement value exceeds alarm value, display blinks and alarm contact closes. larm cancel: hen alarm is canceled, display blinks normally and alarm contact opens. larm Cancel Method utomatic Display (uto) Measurement value > Upper limit value (or Measurement value < Lower limit value) LRM, HI or LO : blink Measurement value < Upper limit value (or Measurement value > Lower limit value) Normal display Manual (HoLd) larm contact Display Closed LRM, HI or LO : blink Opened LRM, HI or LO : appear Normal display RE (larm retention) larm contact Closed Closed Opened Note 1: In alarm condition, the digital value, the unit (, V,, var, V, PF, Hz), and the phase (1, 2, 3, N, VG, Σ, DM) of the measurement items blink. There is no blinking when the item is not on the display. Note 2: In alarm hold condition, the unit (, V,, var, V, PF, Hz) and the phase (1, 2, 3, N, VG, Σ, DM) of the measurement items blink. There is no blinking when the element is not on the display. Note 3: Only the present value (middle digital display) blinks on maximum and minimum value screen. Note 4: In harmonics, only total distortion ratio and RMS value blink. The display of degree does not blink. larm Cancel Method Timing of alarm cancel differs by alarm cancel method. utomatic (uto) Manual (HoLd) hen the measurement value falls below the upper setting value or exceeds the lower setting value, alarm automatically resets. fter the measurement value falls below the upper value or exceeds the lower setting value, alarm is maintained. hen the item that generates the alarm is displayed, and RE button is pressed, the alarm resets. hen RE button is pressed for two seconds or more, all items of alarm are reset. Note: In contact input screen, alarm reset (including all items batch reset) cannot be operated. larm Delay hen alarm delay time is set, alarm is not generated until status of measurement value exceeding upper/lower setting value continues for delay time.

42 6. Operation 6.7 Harmonics Display Harmonic RMS value, distortion ratio, and content rate can be displayed. Measuring Items Current (other than phase N) Current (phase N) Voltage Degree RMS value Distortion ratio RMS value Distortion ratio RMS value Distortion ratio Harmonic total 1st 3rd 5th 7th 9th 11th 13th Note: hen a fundamental harmonic is 0, the distortion ratio display 0%. Degree change method hen + and are pressed, harmonic degrees changes. hen PHSE is pressed, harmonic phases changes. Harmonic current Harmonic current (phase N) Harmonic voltage PHSE PHSE Current total phase 1 PHSE Current total phase 2 Current total phase 3 +, Distortion ratio/rms Current total phase N RMS +, PHSE Voltage total phase 1-N +, PHSE PHSE Voltage total phase 2-N Voltage total phase 3-N Distortion ratio/rms Previous display PHSE PHSE Current 1st phase 1 Current 1st +, phase 2 Current 1st phase 3 RMS PHSE PHSE Current 3rd phase 1 Current 3rd phase 2 +, PHSE PHSE Current 3rd phase 3 Distortion ratio/rms Current 1st phase N RMS +, Current 3rd phase N RMS +, PHSE Voltage 1st phase 1-N Voltage 1st +, PHSE Voltage 3rd phase 1-N +, PHSE PHSE phase 2-N Voltage 1st phase 3-N RMS PHSE PHSE Voltage 3rd phase 2-N Voltage 3rd phase 3-N Distortion ratio/rms Next display PHSE PHSE Current 13th phase 1 PHSE Current 13th phase 2 Current 13th phase 3 Distortion ratio/rms Current 13th phase N RMS PHSE PHSE Voltage 13th phase 1-N PHSE Voltage 13th phase 2-N Voltage 13th phase 3-N Distortion ratio/rms Harmonic display examples Example of harmonic ( ) ( ) Example of harmonic current total display Note: Harmonic total is shown by LL. voltage 5th display

43 6. Operation 6.8 Expanded Counting Display Measured value display and enlarged 3 digital figures display of active and reactive can be displayed. Display of ctive Energy and Reactive Energy Display ctive and reactive are displayed on the lower stage. Display type is shown in the right table according to total load power. Total load [k] = α (Primary voltage value) (Primary current value) 1000 α = 3 Three-phase 4-wire type (Primary voltage value: phase to neutral) 3 Three-phase 3-wire type (Primary voltage value: phase to phase) In the case of reactive power, k in the right table is exchanged into kvar, and kh into kvarh. Total load [k] 1 or higher and below or higher and below or higher and below or higher and below or higher and below or higher Digital display Unit (k/m) Enlarged 3 digital Figures hen + and are pressed simultaneously for 2 seconds, values of active and reactive are enlarged by 3 figures. k M +, Pressing simultaneously for 2 seconds Note: This function is made only on active and reactive display. Example: hen 3 digital figures are enlarged on active screen, reactive is not enlarged. In order to enlarge digital figures of reactive, display reactive on the screen and operate the same way. h and varh Reset hen, RE and PHSE are pressed simultaneously for 2 seconds, the measured values of active (h) and reactive (varh) are reset. (This is effective only in the present value display.) Note: ll of active (h) and reactive (varh) not displayed are also reset. Example of Display Exported active Imported lead reactive Exported lag reactive Exported lead reactive Measurement of 2 quadrants/4 quadrants by Reactive There are two ways of counting quadrant in measurement of reactive. <4 quadrants counting> Counts each import lag, import lead, export lag, and export lead as one segment. It is generally felt that a dead region occurs in the border of each segment. This is suited for measurement of facilities with private power generators. -var <2 quadrants counting> Counts imported lag and exported lead as 1 segment, and imported lead and exported lag as 1 segment. Dead region occurs only in around var=0 (Power ratio: 1). Since dead region does not occur around Power ratio=0, this is suited for facility without private power generator or measurement of reactive power with condenser load of Power ratio=0. -var Exported Imported lag lead - + Exported Imported lead lag +var Exported Imported lag lead - + Exported Imported lead lag +var -varh (Imported lead + Exported lag) +varh (Imported lag + Exported lead) In the set of the expanded counting of the set-up menu 4.1, 2 quadrants counting is selected in the combination! 4 quadrants counting is selected in the combination # and $.

44 6. Operation 6.9 Display of Digital Input and Digital Output Displays the digital input and digital output state. hen the type ME-0052-NS96 or ME-0040C-NS96 optional plug-in module is not installed, this operation cannot be done. Display of Digital Input and Digital Output (Example of digital input display) (Example of digital output display) Reset Method of Digital Input There are uto reset method and Latch method for digital input reset method. hen set on the latch method, the input status is continued until the latch canceling operation. For example, when the alarm contact is input and the alarm is stopped, you cannot miss the alarm because the alarm generated status is continued in the basic device. Canceling of the Latch qin the operation mode, press and digital input (d.in) screen is displayed. win the digital input screen, the latch is canceled by pressing RE for 2 seconds. Note: To display digital input screen, it is needed to set display of the digital input/output on on. The initial setting is set on on Setting Value Confirmation Mode hen confirming the setting value, use the setting value confirmation mode. In this mode, the contents of the set-up items cannot be set, which prevents changing other set values by mistake during operation. Going into Setting Value Confirmation Mode In the operation mode, press for 2 seconds. Setting Value Confirmation s same as in the set-up diagram (page 12), select the set-up menu number to confirm, and press. The way to get back into the operation mode is same as in the set-up diagram. However, the simplified set-up menu cannot be confirmed in the setting value confirmation mode. (Set-up mode) blink (Set value confirmation mode) extinction

45 7. Others 7.1 How to Rearrange the Display Pattern (P00) Even if there is no display pattern that you like in the display patterns P01 to P13, individual set-up is available by the display pattern P00. This set-up is made in the set-up menu 1. Explanation begins with the set P00 in 2 display pattern of the setting menu 1 (page 14). (Others are omitted here, so refer to the setting menu 1.) The number of settable display is up to 4 display. nd the number of measurement elements to be displayed is up to 12 items. Screen 4-1 Screen 4-2 Screen 4-3 Screen 4-4 Upper stage: measurement item 1 Middle stage: measurement item 2 Lower stage: measurement item 3 Upper stage: Upper stage: measurement item 4 measurement item 7 Middle stage: Middle stage: measurement item 5 Lower stage: measurement item 6 measurement item 8 Lower stage: measurement item 9 Upper stage: measurement item 10 Middle stage: measurement item 11 Lower stage: measurement item 12 Explanation is made with the example of the following display pattern. Screen 2-1 Screen 2-2 Upper stage: Middle stage: V Lower stage: h Upper stage: PF Middle stage: Lower stage: no display Setting method 2 Display pattern 2 Set the display pattern. 1) Select P00. By + or select P00 and press. 2) Set the upper stage of the display 4-1 to. By + or select and press. Note: Set the stage where is flickering. (This is same to the following explanations.) 3) Set the middle stage of the display 4-1 to V. By + or select V and press. 4) Set the lower stage of the display 4-1 to h. By + or select h and press.

46 7. Others 7.1 How to Rearrange the Display Pattern (P00) 5) Set the display of the display 4-2. By + or select YES and press. hen not to display the display 2, select no and press. 6) Set the upper stage of the display 4-2 to PF. By + or select PF and press. Back to the upper stage of the display ) Set the middle stage of the display 4-2 to. By + or select and press. 8) Set the lower stage of the display 4-2 to no display. By + or set the unit code of the lower stage to no display and press. 9) Set the display 4-3 to no display. By + or select no and press. Note: hen the display 4-3 is set to no display, the display 4-4 is also set to no display automatically. Back to the upper stage of the display Primary voltage (Here after same as the set-up menu 1) Note 1. The following measurement item cannot be set by the display pattern P00. Set them separately in the set-up menu 4 (page 20). Exported active, exported reactive, capacitive reactive, inductive reactive, harmonic current, harmonic voltage 2. Phase cannot be designated by current, voltage. Press PHSE in the operation mode to change phase. 3. ctive, and reactive cannot be displayed at the upper stage and the middle stage.

47 7. Others 7.2 Display the Type of the Optional Plug-in Module It is possible to display the type of the optional plug-in module when the optional plug-in module is applied. In the operation mode, after pressing the and the RE simultaneously for 2 seconds or more, the following operation becomes available. Set-up menu Set the set-up menu number to End. (Set as shown in the right display.) MX/MIN 1 second or more PHSE Display the type of the optional plug-in module. Display the type of the optional plug-in module non : None of the option 4201 : ME-4201-NS : ME-0052-NS C: ME-0040C-NS96 Set-up menu ccording to the set-up diagram (page 13), end the display of the type of the optional plug-in module or continue to the other set-up menu. Note: Even in the set value confirmation mode, the type of the option module can be displayed. The procedure is the same as the above-mentioned. 7.3 Judgment Phase of larm Element Phase that judge upper/lower limit alarm differs by measuring items. Please refer to the following table. larm item (*1) upper limit lower limit N upper limit (*2) Demand upper limit Demand lower limit Demand N upper limit (*2) V(L-N) upper limit V(L-N) lower limit V(L-L) upper limit V(L-L) lower limit upper limit lower limit var upper limit var lower limit PF upper limit PF lower limit Hz upper limit Hz lower limit Harmonic current total RMS value Harmonic current phase N RMS value (*2) Harmonic voltage total distortion ratio Phase wire 3P3/3P4 3P3/3P4 3P4 3P3/3P4 3P3/3P4 3P4 3P4 3P4 3P3/3P4 3P3/3P4 3P3/3P4 3P3/3P4 3P3/3P4 3P3/3P4 3P3/3P4 3P3/3P4 3P3/3P4 3P3/3P4 3P3 3P4 3P4 3P3 3P4 Phase 1 *1: The apparent power is not included in the alarm element. *2: Phase N is a alarm element to be independent. Phases Phase 2 Phase 3 Phase N Phase 1-2 Phase 2-3 Phase 3-1 VG/Σ

48 7. Others 7.4 Display Pattern Contents hen the display elements are set in the set-up menu 1 and the set-up menu 4, by pressing, the display transits from No.1 in the order shown in the following table. [Three phase 4-wire] Display pattern P01 P03 P05 P06 P07 P08 Digital display Upper stage Middle stage Lower stage Upper stage Middle stage Upper stage Middle stage PF Lower stage V Upper stage Middle stage V Upper stage Middle stage Lower stage Upper stage Middle stage Lower stage Upper stage Middle stage Lower stage Upper stage Middle stage V V PF var V V PF PF Hz var V1N V2N V3N 1 V1N 2 V2N 3 V3N 1 2 Lower stage h h PF V PF P02 Lower stage h h h Screen set on display pattern NO.1 NO.2 NO.3 NO.4 NO.5 NO.6 NO.7 NO.8 NO.9 PF var var V var V 3 N N PF V V N N V1N V2N V3N PF Hz PF N N Hz P04 Lower stage h h varh h h h N dditional screen (displays when Set-up Menu 4 is set) NO.10 NO.11 NO.12 NO.13 NO.14 NO.15 NO.16 NO.17 NO.18 Exported Imported Exported Exported active lead lag lead Harmonic Harmonic Harmonic Digital Digital reactive reactive reactive current phase N voltage input output current state state Exported active Exported active Exported active Imported lead reactive Exported lag reactive Exported lead reactive Degree Ratio RMS value Degree RMS value Degree Ratio RMS value di do DI No. DO No. State State P09 P10 P11 Upper stage Middle stage D Lower stage V Upper stage Middle stage D Lower stage V Upper stage Middle stage D D V D1 D2 D D1 D2 Lower stage h h D3 V1N V2N V3N D1 D2 D3 V1N V2N V3N N V1N V2N V3N N D DN N D DN D DN Exported active P12 Upper stage Middle stage D Lower stage h h V h D V h V h N D DN Exported active P13 P00 Upper stage Middle stage Lower stage Upper stage Middle stage Lower stage V1N V2N V3N var1 var2 var3 V1 V2 V3 PF1 PF2 PF3 V Hz V Hz h varh N Exported active Exported active Imported lead reactive Imported lead reactive Exported lag reactive Exported lag reactive Exported lead reactive Exported lead reactive h: Imported active, varh: Imported lag reactive Note: hen an additional screen is added, a screen number is added. : Individual set-up (see page 46)

49 7. Others 7.4 Display Pattern Contents [Three phase 3-wire] Display pattern P01 P02 Digital display Upper stage Middle stage Σ Lower stage V Upper stage Middle stage V Lower stage h Screen set on display pattern NO.1 NO.2 NO.3 NO.4 NO.5 NO.6 Σ ΣPF Σ h ΣPF V ΣPF h dditional screen (displays when Set-up Menu 4 is set) NO.7 NO.8 NO.9 NO.10 NO.11 NO.12 NO.13 NO.14 Exported active Exported active Imported lead reactive Exported lag reactive Exported lead reactive Harmonic current Degree Ratio RMS value Harmonic voltage Degree Ratio RMS value Digital input state di DI No. State Digital output state do DO No. State P03 P04 P05 P06 P07 P08 Upper stage Middle stage Lower stage Upper stage Middle stage Lower stage Upper stage Middle stage Lower stage Upper stage Middle stage Lower stage Upper stage Middle stage Lower stage Upper stage Middle stage Lower stage ΣPF V V h ΣPF Σ Σvar V V h ΣPF Σ Σ h Hz Σ Σvar V12 V23 V Σ h ΣPF Σvar Σvar varh V V12 V23 V ΣPF Hz ΣPF h V12 V23 V31 Hz h Exported active Exported active Imported lead reactive Exported lag reactive Exported lead reactive P09 P10 P11 Upper stage Middle stage Lower stage Upper stage Middle stage Lower stage Upper stage Middle stage Lower stage D V D V D h D Σ V h D1 D2 D D1 D2 D3 V12 V23 V31 D1 D2 D3 V12 V23 V31 V12 V23 V31 Exported active P12 Upper stage Middle stage Lower stage D h Σ h V h D V h Σ V h Exported active P13 P00 Upper stage Middle stage Lower stage Upper stage Middle stage Lower stage V12 V23 V31 Σ Σvar ΣPF V Hz h V Hz varh Exported active Exported active Imported lead reactive Imported lead reactive Exported lag reactive Exported lag reactive Exported lead reactive Exported lead reactive h: Imported active, varh: Imported lag reactive, Σ: Total active power, Σvar: Total active power, ΣPF: Total power factor Note: hen an additional screen is added, a screen number is added. : Individual set-up (see page 46)

50 7. Others 7.5 Maximum Scale Value Settable primary voltage, primary current, and standard maximum scale value are shown in the tables below. Maximum scale value of each item [Three phase 4-wire] Measurement element Maximum scale value Voltage In the case of direct Phase to Phase to voltage setting (Phase voltage/ line voltage) 63.5V/110V 100V/173V 110V/190V 220V/380V 240V/415V 254V/440V 277V/480V neutral voltage 100V 150V 300V 400V phase voltage 150V 300V 600V 640V In the case of VT Primary connected to voltage 150 Primary voltage 110 secondary side 2 2 Current ctive power Reactive power pparent power Power factor Frequency Primary current value VT ratio CT ratio specific power (100%) k 1 VT ratio CT ratio specific power (100%) kvar 1 VT ratio CT ratio specific power (100%) V 1 LED0.5 to 1 to LG to 55Hz (at 50Hz) 55 to 65Hz (at 60Hz) [Three phase 3-wire] 1 t the direct voltage setting, VT ratio = 1. Specific power value is according to the following. 2 For convenience of the scale, it is rounded the good number. Measurement element Maximum scale value Voltage In the case of direct Phase to voltage setting phase voltage Line voltage 150V 110V 220V 300V In the case of VT connected to secondary side (Secondary voltage) VT ratio 150V 100V, 110V 220V VT ratio 300V Current ctive power Same as the three Reactive power phase 4-wire Power factor Frequency Specific power value for scale calculation Phase wire system ith or without VT Three phase t direct input 4-wire (phase voltage) Three phase 3-wire Using VT (Secondary voltage) t direct input Using VT (Secondary voltage) Rated voltage 63.5V 100V, 110V 220V, 240V 254V, 277V 63.5V 100V, 110V 115V, 120V 110V 220V 100V, 110V 220V Specific power value 1k 2k 4k 1k 2k 1k 2k 1k 2k Specific power value 1kvar 2kvar 4kvar 1kvar 2kvar 1kvar 2kvar 1kvar 2kvar Maximum scale value of power and reactive power (representative example) Phase wire system Three phase 4-wire Phase wire system Three phase 4-wire Primary Primary voltage current value () value var var var var var var var var var var direct 110V/190V k 10 k 12 k 12 k 16 k 16 k 20 k 20 k 24 k 24 k 30 k 30 k 32 k 32 k * The upper bound of the scale is 8000M. direct 254V/440V 240V/415V k 12 k 16 k 16 k 20 k 20 k 24 k 24 k 32 k 32 k 40 k 40 k 48 k 48 k 60 k 60 k 64 k 64 k Primary Primary voltage current value () value var var var var var var var var var var direct 110V/190V 40 k 40 k 48 k 48 k 60 k 60 k 80 k 80 k 100 k 100 k 120 k 120 k 160 k 160 k 200 k 200 k 240 k 240 k 300 k 300 k direct 254V/440V 240V/415V 80 k 80 k 100 k 100 k 120 k 120 k 160 k 160 k 200 k 200 k 240 k 240 k 320 k 320 k 400 k 400 k 480 k 480 k 600 k 600 k Phase wire system Primary Primary voltage current value () value var var var var var var var var var Three phase 4-wire direct 110V/190V 320 k 320 k 400 k 400 k 480 k 480 k 600 k 600 k 800 k 800 k 1000 k 1000 k 1200 k 1200 k 1600 k 1600 k 2000 k 2000 k direct 254V/440V 240V/415V 640 k 640 k 800 k 800 k 1000 k 1000 k 1200 k 1200 k 1600 k 1600 k 2000 k 2000 k 2400 k 2400 k 3200 k 3200 k 4000 k 4000 k

51 7. Others 7.6 Maximum Scale Table The maximum scale of,, and var can be selected in the range from about 40% to about 120% of ratings, from scale conditions, the values of the table below are applied. This is same to measured values to correspond to the maximum output of analog output. [Settable range] : From -10 steps to +3 steps of ratings., var : From -18 steps to +3 steps of ratings. Example: ith rating 100, from 40 to 160. Current maximum scale value (1/2) Current maximum scale value (2/2) ctive power maximum scale value (1/2) STEP unit k unit 1k STEP unit Example) t the VT ratio: , CT ratio: 100/5, 3 3 = VT ratio CT ratio Specific power value = k = 1200k (Specific power value: refer to page 50) k unit 1.2k 1.5k 1.6k 1.8k 2k 2.2k 2.4k 2.5k 3k 3.2k 3.6k 4k 4.5k 4.8k 5k 6k 6.4k 7.2k 7.5k 8k 9k 10k 12k 15k 16k 18k 20k 22k 24k 25k 30k 32k 36k 40k STEP unit k unit 1k 1.2k 1.5k 1.6k 1.8k 2k 2.2k 2.4k 2.5k 3k 3.2k 3.6k 4k 4.5k 4.8k 5k 6k 6.4k 7.2k 7.5k 8k 9k 10k 12k 15k 16k 18k 20k 22k 24k 25k 30k 32k 36k 40k 45k 48k 50k 60k 64k 72k 75k 80k 90k 100k 120k 150k 160k 180k 200k M unit

52 7.6 Maximum Scale Table 7. Others var 100var 120var 150var 160var 180var 200var 220var 240var 250var 300var 320var 360var 400var 450var 480var 500var 600var 640var 720var 750var 800var 900var 1000var 1200var 1500var 1600var 1800var 2000var 2200var 2400var 2500var 3000var 3200var 3600var 4000var 4500var 4800var 5000var 6000var 6400var 7200var 7500var 8000var var unit 1kvar 1.2kvar 1.5kvar 1.6kvar 1.8kvar 2kvar 2.2kvar 2.4kvar 2.5kvar 3kvar 3.2kvar 3.6kvar 4kvar 4.5kvar 4.8kvar 5kvar 6kvar 6.4kvar 7.2kvar 7.5kvar 8kvar 9kvar 10kvar 12kvar 15kvar 16kvar 18kvar 20kvar 22kvar 24kvar 25kvar 30kvar 32kvar 36kvar 40kvar 45kvar 48kvar 50kvar 60kvar 64kvar 72kvar 75kvar 80kvar 90kvar kvar unit Mvar unit STEP var unit 100kvar 120kvar 150kvar 160kvar 180kvar 200kvar 220kvar 240kvar 250kvar 300kvar 320kvar 360kvar 400kvar 450kvar 480kvar 500kvar 600kvar 640kvar 720kvar 750kvar 800kvar 900kvar 1000kvar 1200kvar 1500kvar 1600kvar 1800kvar 2000kvar 2200kvar 2400kvar 2500kvar 3000kvar 3200kvar 3600kvar 4000kvar 4500kvar 4800kvar 5000kvar 6000kvar 6400kvar 7200kvar 7500kvar 8000kvar kvar unit 1Mvar 1.2Mvar 1.5Mvar 1.6Mvar 1.8Mvar 2Mvar 2.2Mvar 2.4Mvar 2.5Mvar 3Mvar 3.2Mvar 3.6Mvar 4Mvar 4.5Mvar 4.8Mvar 5Mvar 6Mvar 6.4Mvar 7.2Mvar 7.5Mvar 8Mvar 9Mvar 10Mvar 12Mvar 15Mvar 16Mvar 18Mvar 20Mvar 22Mvar 24Mvar 25Mvar 30Mvar 32Mvar 36Mvar 40Mvar 45Mvar 48Mvar 50Mvar 60Mvar 64Mvar 72Mvar 75Mvar Mvar unit STEP unit 220k 240k 250k 300k 320k 360k 400k 450k 480k 500k 600k 640k 720k 750k 800k 900k 1000k 1200k 1500k 1600k 1800k 2000k 2200k 2400k 2500k 3000k 3200k 3600k 4000k 4500k 4800k 5000k 6000k 6400k 7200k 7500k 8000k k unit 1M 1.2M 1.5M 1.6M 1.8M 2M 2.2M 2.4M 2.5M 3M 3.2M 3.6M 4M 4.5M 4.8M 5M 6M 6.4M 7.2M 7.5M 8M 9M 10M 12M 15M 16M 18M 20M 22M 24M 25M 30M 32M 36M 40M 45M 48M 50M 60M 64M 72M 75M 80M 90M 100M 120M 150M 160M 180M M unit STEP ctive power maximum scale value (2/2) Reactive power maximum scale value (2/2) Reactive power maximum scale value (1/2)

53 7. Others 7.7 Measurement Characteristics Metering actions in other than operation mode Status Measurement Display nalog output larm contact point Pulse output Several seconds just after turning on the auxiliary power supply (Back light is lit, and LCD is not lit.) Setting mode, Set value confirmation mode During power failure No measurement Same actions as in operation mode No measurement No display No display of measured value No display Output over about 100% may be made until internal voltage becomes stable. Same actions as in operation mode No output Metering actions in input status Measurement items ctions Current () Current demand (D) t the 5 set of CT secondary current. : hen input current is below 0.02, it becomes 0. t the 1 set of CT secondary current. : hen input current is below 0.008, it becomes 0. hen it exceeds the upper limit of the display (9999), it becomes the upper limit of the display (9999). hen N phase current exceeds the 150% of the rating, it may not monitor the correct measurements. Voltage (V) ctive power () Reactive power (var) pparent power (V) hen input voltage is below 11V, it becomes 0V. hen three-phase currents are all 0 or threephase voltages are all 0, it becomes 0, 0var and 0V. hen it exceeds the upper limit of the display (9999), it becomes the upper limit of the display (9999). hen it exceeds the upper limit of the display (9999), it becomes the upper limit of the display (9999). Power Factor (PF) hen three-phase currents are all 0 or three-phase voltages are all 0, it becomes 1.0. Frequency (Hz) Harmonics Voltage (HV) Harmonics Current (HI) hen input voltage of phase 1 is 0V, it becomes t measuring the RMS value : hen input voltage is 0V, it becomes 0V. (For each phase) : hen the frequency is below 44.5Hz, ---- is displayed for all phases. t measuring the RMS value : hen input current is 0, it becomes 0. (For each phase) : hen the frequency is below 44.5Hz, ---- is displayed for all phases. hen it is below 44.5Hz or over 99.9Hz, ---- is displayed. t measuring the distortion ratio : hen input voltage is 0V, it becomes (For each phase) : hen the frequency is below 44.5Hz, ---- is displayed for all phases. t measuring the distortion ratio : hen input current is 0, it becomes (For each phase) : hen the frequency is below 44.5Hz, ---- is displayed for all phases. Note: Input current, input voltage and input power mean input to instrument. They are not to Primary sides of VT, CT. Opened No output Status before Same actions getting into setting as in operation mode and set mode value confirmation mode is kept. Opened No output nalog output action Output limit setting is ON. From -1% to 101% of span Output range Output limit setting is OFF. From -5% to 105% of span

54 7.8 Troubleshooting In the case of abnormal noise, odor, smoke, heat generation from this instrument, turn it off at once. nd if you think the instrument is erroneous, please check the followings before asking for repair. Display Measurement error Operation 7. Others Condition The display is not lit. hen the auxiliary power supply is impressed, display is not lit soon. The back light is not lit. The display becomes black. End display remains. Measured value error is large. Measured values of, var, cosf are including large errors. Measured values of cosf is including large error. Maximum value is not held. Maximum value and minimum value changed. Index indicator and alarm value changed. The harmonic total RMS value of harmonic current (HI) is largely different from current () value. The active power value calculated by the current, the voltage, and the power factor is largely different from measured value of active power. Set-up cannot be made even when is pressed. expected cause uxiliary power supply is not impressed on M and MB terminals. This is not an error. For about 5 seconds after auxiliary power source is charged, initialization of internal circuit is carried out. The back light is set to auto off. It may become black owing to static electricity. set-up is on its way. Settings of primary voltage and primary current are erroneous. iring is erroneous. If the input current is smaller than the rating, error becomes large. (about 5% or below of rated current) RE is pressed continuously. hen the set-up items of the set-up menu 1 are changed, initialization is carried out. hen the set-up items of the set-up menu 1 are changed, initialization is carried out. Distortion ratio (containing ratio) exceeds 100% largely. (measurement of secondary output of inverter) The active power value by the calculation and the measurements might be largely different when there are a lot of harmonics elements. hen is pressed for 2 seconds, the set value confirmation mode gets in, and some items cannot be changed. Solution Impress auxiliary power supply. Use it as it is. hen any of the operation key is pressed, it is lit for 5 minutes. Use it as it is, or change the setting to continuous lighting in the set-up menu 4. It goes off after a while. Press. Check the set value in the set value confirmation mode. Check the wire. This is not an error, or use it as it is, or if error is troublesome, change the CT to one to meet the actual use current. Release RE. Record before changing set-up. Set once again. Check measured environment. The active power value that the instrument measured is correct. Press and RE simultaneously for 2 seconds to get into the set-up menu. fter Service For any questions about the instrument s performance or whether the instrument has a problem, contact our service network. (refer to the last page of this user s manual.) The period of guarantee is earlier date of either 18 months from the manufacture date or 1 year from the sale date, except in the case that the failure has been caused by bad handling of the product, provided that it has been installed according to the manufacture s instructions.

55 Installation 1. Dimensions ME96NSR, ME96NSR-MB OPTION COVER (ith the option plug-in module) (COVER) (106.9) 91.6 (PNEL CUT) 95.8 (COVER) 91.6 (PNEL CUT)

56 Installation 1. Dimensions Optional Plug-in Module

57 Installation 2. Mounting 1 Dimensions of panel The panel hole dimensions are shown right. It can be attached to a panel with thickness of 1.6 to 4.0mm. 2 View angle The contrast of the display changes at view angles. Mount it at the position that is easy to see ttachment For attachment of the basic device into the panel hole, attach according to the following procedure. q The attachment lug is installed in two holes w Tighten the screws of the lug, and fix outo the panel. of the top and bottom of the basic device. Note Please do not tighten too strongly to prevent panel and screw from breaking. Tightening torque for this product: 0.3N m to 0.5N m (Half the torque applied normally for this type of screw) lso, please tighten the upper and lower screws at the same time. 4 Installing the optional plug-in module hen installing the optional plug-in module onto the basic device, install according to the following procedure. q The option cover is removed. w The optional plug-in module is installed. Combine the slot of the basic device and the convex part of the optional plug-in module. Protective sheet protective sheet is attached to the display for protection against scratch during the attachment to panel. Before using, remove the protective sheet. hen you remove it, the display may light up due to generation of static electricity, but it is not an error. It goes off by natural discharge after a while. Note ttachment position In the case to attaching to the end of the panel, check the wiring work space and decide the attachment position. Optional Plug-in module Install the optional plug-in module after the power is turn off. The option is not recognized when installed while power is on. In this case, the option is recognized by power suspension/power resumption or restarting the basic device.

58 Installation 3. iring 1 pplicable cable size The below table describes the applicable wire size. pplicable cable size Strip Gauge For UL For general Terminals of P1, P2, P3, PN G 22 to 14 hen using a stranded wire, use a ferrule. G 24 to 14 hen using a stranded wire, use a ferrule. 11mm Other terminals G 24 to 18 hen using a stranded wire, use a ferrule. 2 iring qstrip top of the cable or crimp the ferrule. winsert the cables by pushing the lever, and connect by releasing the lever. Example of the basic device Example of the plug-in module Insert hole Lever Insert hole Lever 3 Confirmations fter wiring, make sure the followings: M The wires are connected correctly. M There is no mistake in wiring.