Digital Panel Meters 7 Series DC INPUT DIGITAL PANEL METER ( ½ digit, LED display type) Functions & Features ½ digit DC input digital panel meter /8 DIN size Moving average function to suppress the display flickering Scaling, forced zero, low-end cutout Max. and Min. value display Safety terminal cover tethered to the device with a strap IP66 front panel Separable terminal block 96 (.78) : 0 0 V DC (Load resistance 0 kω min.) 5: 0 5 V DC (Load resistance 5000 Ω min.) 6: 5 V DC (Load resistance 5000 Ω min.) W: -0 0 V DC (Load resistance 0 kω min.) [] ALARM OUTPUT 0: None : N.O. relay contact, points : SPDT relay contact, points [] DISPLAY COLOR R: Red YR: Orange G: Green BG: Bluegreen B: Blue W: White 8 (.89) HH H P L LL Zro Spn D/P Tch Fnc Min Max Max/Min Alarm/ Scale/ Shift Up 98.5 (.88) mm (inch) MODEL: 7LV-[][][][]-[5][6] ORDERING INFORMATION Code number: 7LV-[][][][]-[5][6] Specify a code from below for each [] through [6]. (e.g. 7LV-0G-M/Q) Specify the specification for option code /Q (e.g. /C0/S0/SET) [] INPUT : ±0 V, ±5 V, 0 5 V, 5 V 0 0 ma, 0 ma : ± V, ±00 mv, ±0 mv, ± ma : ±00 V, ±00 ma : ±00 μa (CE not available) 5: ± A, ± A (CE not available) 6: ±700 V (CE not available) [] DC OUTPUT 0: Without Current A: 0 ma DC (Load resistance 550 Ω max.) D: 0 0 ma DC (Load resistance 550 Ω max.) Voltage : 0 V DC (Load resistance 000 Ω min.) (CE not available) [5] POWER INPUT AC Power M: 00 0 V AC (Operational voltage range 85 6 V, 50/60 Hz) DC Power R: V DC (Operational voltage range V ±0 %, ripple 0 %p-p max.) P: 0 V DC (Operational voltage range 85 50 V, ripple 0 %p-p max.) [6] OPTIONS blank: none /Q: With options (specify the specification) SPECIFICATIONS OF OPTION: Q (multiple selections) COATING (For the detail, refer to M-System's web site.) Moving parts and indicators are not coated. /C0: Silicone coating /C0: Polyurethane coating /C0: Rubber coating TERMINAL SCREW MATERIAL /S0: Stainless steel EX-FACTORY SETTING /SET: Preset according to the Ordering Information Sheet (No. ESU-950) GENERAL SPECIFICATIONS Construction: Panel flush mounting Degree of protection: IP66; applicable to the front of the panel meter mounted according to the specified panel cutout Connection: M separable screw terminal (torque 0.6 N m) Screw terminal: Nickel-plated steel (standard) or stainless http://www.m-system.co.jp/ 7LV SPECIFICATIONS ES-950 Rev. Page /7
steel Housing material: Flame-resistant resin (gray) Isolation: Input to DC output to HH output or H output to L output or LL output to power Setting: (Front button) Scaled range Input type Alarm setpoint Hysteresis (deadband) Moving average Others (Refer to the instruction manual for details) Read rate: 0 times/sec. (5 msec.) Averaging: None or moving average Lockout setting: Prohibiting certain operations; protecting settings DISPLAY Display: 6 mm (.6) high, ½ digits, 7-segment LED Display range: -9999 to 9999 Decimal point position: 0, 0, 0, 0 or none Zero indication: Higher-digit zeros are suppressed. Over-range indication: -9999 or 9999 blinking for display values out of the display range. S.ERR and Min or Max blinking when the input signal is out of the usable range. Alarm status indication LL indicator: Green LED turns on when the LL alarm is tripped. L indicator: Green LED turns on when the L alarm is tripped. H indicator: Red LED turns on when the H alarm is tripped. HH indicator: Red LED turns on when the HH alarm is tripped. P indicator: Amber LED turns on when none of the other alarms is tripped. Only P turns on with no-alarm-output type. LL or HH does not turn on with dual-alarm-output type. All setpoints can be independently set either for Hi or Lo alarm trip. Function indicators: Zro, Spn, D/P, Tch, Fnc, Min, Max Display mode status and operation status, amber ON or blink Engineering unit indication: Sticker label attached DC, AC, mv, V, kv, μa, ma, A, ka, mw, W, kw, var, kvar, Mvar, VA, Hz, Ω, kω, MΩ, cm, mm, m, m/sec, mm/min, cm/min, m/min, m/h, m/s, inch, l, l/s, l/min, l/h, m, m /sec, m /min, m /h, Nm /h, N m, N/m, g, kg, kg/h, N, kn, Pa, kpa, MPa, t, t/h,, F, %RH, J, kj, MJ, rpm, sec, min, ph, %, ppm, etc. INPUT SPECIFICATIONS Default setting Input code : Measuring range ±0 V Input code : Measuring range ± V Input code : Measuring range ±00 V Input code : Measuring range ±00 μa Input code 5: Measuring range ± A Input code 6: Measuring range ±700 V Overload capacity Input code 5: ± A for 0 sec., ±. A continuous Input code 6: ±000 V for 0 sec., ±80 V continuous DC INPUT TYPE MEASURING OPERATIONAL INPUT IND RANGE RANGE IMPEDANCE V0 ±0V - V MΩ minimum V5 ±5V -5.5 5.5V MΩ minimum V0-5 0 5V -0. 5.V MΩ minimum V-5 5V 0.7 5.V MΩ minimum A0-0 0mA - ma approx. 0Ω A- 0mA ma approx. 0Ω V ±V -..V MΩ minimum V0 ±00mV -0 0mV MΩ minimum V00 ±0mV - mv MΩ minimum A ±ma -..ma approx. 00Ω V00 ±00V -0 0V MΩ minimum A00 ±00mA -0 0mA approx. 0Ω A0 ±00μA -0 0μA approx. kω A- ±A -..A approx. 0.Ω A- ±A -..A approx. 0.Ω V700 ±700V -770 770V MΩ minimum OUTPUT SPECIFICATIONS DC Output DC Current Operational range: -5 05 % DC Voltage Operational range: -5 05 % Alarm Output: Relay contact Rated load: 50 V AC @ A (cos ø = ) 0 V DC @ A (resistive load) Maximum switching voltage: 50 V AC, 0 V DC Maximum switching power: 750 VA, 90 W (resistive load) Minimum load: 5 V DC @ 0 ma Mechanical life: 5 0 6 cycles (rate 80 cycles/min.) INSTALLATION Power consumption AC: Approx. 6.5VA DC: Approx. W Operating temperature: -0 to 55 C ( to F) http://www.m-system.co.jp/ 7LV SPECIFICATIONS ES-950 Rev. Page /7
Operating humidity: 0 to 90 %RH (non-condensing) Mounting: Panel flush mounting Weight: 00 g (0.66 lb) PERFORMANCE Accuracy Display: ±0. % ± digit ± 0. % ± digit for ± 0 mv range Output: ±0. % (DC output = display output) Temp. coefficient: ± 0.05 %/ C (± 0.008 %/ F) ±0.0 %/ C (±0.0%/ F) for ±0 mv range Input resolution: Max. 6 bits Output resolution: Max. bits Response time: 0.5 sec. (alarm output: 0 00 % at 90 % setpoint) 0.5 sec. (DC output: 0 90 %) Line voltage effect: ±0. % over voltage range Insulation resistance: 00 MΩ with 500 V DC Dielectric strength: 000 V AC @ minute (input to DC output to HH output or H output to L output or LL output to power to ground) STANDARDS & APPROVALS EU conformity: EMC Directive EMI EN 6000-6- EMS EN 6000-6- Low Voltage Directive EN 600- Measurement Category II (alarm) Installation Category II (power) Pollution degree Input or DC output to alarm output to power: Reinforced insulation (00 V) Input to DC output: Basic insulation (00 V) RoHS Directive EN 5058 Protection against access to the terminal blocks: Finger protection (VDE 0660-5) EXTERNAL VIEW () Main Display () Alarm Indicators () Function Indicators HH H P L LL Spn D/P Tch Fnc Min Max Zro Max/Min Alarm/ Scale/ Shift Up () Max/Min Button (5) Alarm/ Button (7) Shift Button (6) Scale/ Button (8) Up Button http://www.m-system.co.jp/ 7LV SPECIFICATIONS ES-950 Rev. Page /7
COMPONENT IDENTIFICATION No. COMPONENT FUNCTION () Main display Indicates present values, setting values and status of the unit. () Alarm indicators Indicate alarm status of the input signal. () Function indicators Indicate the status in each setting mode. () Max/Min button Used to switch the main display to show the present values, maximum values or minimum values etc. (5) Alarm/ button Used to confirm alarm setpoints, to move on to the alarm and other setting modes; or to shift setting mode. (6) Scale/ button Used to move on to the scaling and other setting modes; or to shift through setting items in each through setting items in each setting mode. (7) Shift button Used to move on to the setting standby status of each setting mode and shift through display digits in each setting item. (8) Up button Used to change setting values, to execute/cancel Forced Zero or to select setting values. Refer to the instruction manual for details. EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch) TOP VIEW 95 (.7) FRONT VIEW 0 (.06) SIDE VIEW 98.5 (.88) 96 (.78).5 (.9) 86 (.9) (.08) 8 (.89) 7 (.85) REAR VIEW No Alarm Output Alarm Output 6.6 (.6) 0M SCREW TERMINAL 0M SCREW TERMINAL M SCREW M SCREW 5 (.77) 5 6 7 8 9 0 5 6 7 8 9 0 5 6 7 8 9 0 9.5 (.60) http://www.m-system.co.jp/ 7LV SPECIFICATIONS ES-950 Rev. Page /7
MOUNTING REQUIREMENTS unit: mm 9 0 0.8 min. 75 5 0 0.6 min. 0 Panel thickness:.6 to 8.0 mm http://www.m-system.co.jp/ 7LV SPECIFICATIONS ES-950 Rev. Page 5/7
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM ALARM OUTPUT CODE 0: No alarm output Isolation INPUT* A/D Converter Digital Computation Output Driver 7 8 9 0 DC OUTPUT U() POWER V() 5 6 Display / Setting ALARM OUTPUT CODE : N.O. contact, points Isolation INPUT* 5 6 A/D Converter Display / Setting Digital Computation Output Driver 7 8 5 6 7 8 9 0 9 0 DC OUTPUT HHa HH OUTPUT Ha H OUTPUT Hc, HHc La L OUTPUT LLa LL OUTPUT Lc, LLc U() V() POWER ALARM OUTPUT CODE : SPDT contact, points Isolation INPUT* A/D Converter Digital Computation Output Driver 7 8 5 6 DC OUTPUT Ha (NO) Hb (NC) H OUTPUT Relay Protection AC Powered LOAD DC Powered Inductive Load (Coil) Varistor or CR Circuit Inductive Load (Coil) 5 6 Display / Setting 7 8 9 0 9 0 Hc (COM) La (NO) Lb (NC) Lc (COM) U() V() L OUTPUT POWER LOAD Diode, Varistor or CR Circuit Note: The section enclosed by broken line is only with DC output option. * Input shunt resistor incorporated for current input. Input code:, Input code: Input code: Input code : 5, 6 V V V I I COM COM http://www.m-system.co.jp/ 7LV SPECIFICATIONS ES-950 Rev. Page 6/7
Input Terminal Assignments INPUT TYPE MEASURING INPUT (indicator) RANGE TERMINALS V00 V0 ±00V ±0V V5 ±5V V ±V A- ±A A- ±A V700 ±700V V0 V00 ±00mV ±0mV INPUT TYPE MEASURING INPUT (indicator) RANGE TERMINALS V0-5 V-5 0 5V 5V A00 A ±00mA ±ma A0-0 0mA A- A0 0mA ±00μA Specifications are subject to change without notice. http://www.m-system.co.jp/ 7LV SPECIFICATIONS ES-950 Rev. Page 7/7