Digital Temperature Controller

Transcription

1 New Product Digital Temperature Controller E5CC/E5EC/E5AC The new standard in temperature control is higher in every respect E5CC (48 48 mm) / E5EC (48 96 mm) / E5AC (96 96 mm) Large White Display That's Easier to Read. Easy to Use, from odel Selection to Setup and Operation. A Complete Range of I/O Capacities, Functions, and Performance. Handles ore Applications mm mm E5CC E5EC mm E5AC

2 Digital Temperature Controller E5CC (48 48 mm) Large White Display That s Easier to Read. Easy to Use, from odel Selection to Setup and Operation. A Complete Range of I/O Capacities, Functions, and Performance. Handles ore Applications. The white display with a height of 5.2 mm improves visibility. High-speed sampling at 5 ms. odels are available with up to auxiliary outputs, up to 4 event inputs, a transfer output, and a remote input to cover a wide range of applications. Short body with depth of only 6 mm. Set up the Controller without wiring the power supply by connecting to the computer with a Communications Conversion Cable (sold separately). Setup is easy with the C-Thermo (sold separately). Easy connections to a PLC with programless communications. Use component communications to link Temperature Controllers to each other. ain I/O Functions mm E5CC Refer to Safety Precautions on page 4. Sensor Input Thermocouple Pt Universal analog current/voltage input E5CC Dual displays: /SV 4-digit displays Indication Accuracy Thermocouple input: ±.% of Pt input: ±.2% of Analog input: ±.2% of FS Sampling Period 5 ms Event Inputs None 2 4 Remote Input None PF (shift) Key Temperature status display Simple programming Independent heating and cooling PID control Changed parameter display Display brightness setting Control Output Relay output Voltage output (for driving SSR) Current output Control Output 2 None Voltage output (for driving SSR) Auxiliary Outputs Transfer Output None Serial Communications None RS-485 This datasheet is provided as a guideline for selecting products. Be sure to refer to the following manuals for application precautions and other information required for operation before attempting to use the product. E5@C Digital Controllers User s anual (Cat. No. H74) E5@C Digital Controllers Communications anual (Cat. No. H75) 2

3 odel Number Legend and Standard odels odel Number Legend (Example: E5CC-RA5-) A B C D E F E5CC odel A B C D E F Control outputs and 2 No. of auxiliary outputs *. Options with HB and HS alarms ( and ) cannot be selected if a current output is selected for the control output. *2. The control output cannot be used as a transfer output. *. Option 4 can be selected only when "C" is selected for the control outputs. Heating and Cooling Control Using Heating and Cooling Control Power supply voltage Terminal type Input type Options A Control Output Assignment If there is no control output 2, an auxiliary output is used as the cooling control output. If there is a control output 2, the two control outputs are used for heating and cooling. (It does not matter which output is used for heating and which output is used for cooling.) B Control If PID control is used, you can set PID control separately for heating and cooling. This allows you to handle control systems with different heating and cooling response characteristics. eaning E5CC mm Control output Control output 2 R Relay output None Q Voltage output (for driving SSR) None * * C Linear current output *2 None QQ Voltage output (for driving SSR) CQ Linear current output *2 (one common) A to 24 VAC D 24 VAC/DC 5 Screw terminals (with cover) Universal input HB alarm and HS alarm Communications Event inputs Voltage output (for driving SSR) Voltage output (for driving SSR) Remote Transfer Input output * * 2 (for -phase RS heaters) * RS Provided Provided. ---

4 E5CC Optional Products (Order Separately) USB-Serial Conversion Cable Terminal Covers odel E58-CIFQ2 odel E5-COV7 E5-COV2 Note: The E5-COV cannot be used. Refer to page for the mounted dimensions. Waterproof Packing odel Y92S-P8 Note: This Waterproof Packing is provided with the Digital Temperature Controller. Front Covers Type Hard Front Cover Soft Front Cover C-Thermo Support Software odel EST2-2C-V4 odel Y92A-48H Y92A-48D Note: C-Thermo version 4.5 or higher is required for the E5CC. For the system requirements for the C-Thermo, refer to information on the EST2-2C-V4 on the OR website ( Current Transformers (CTs) Hole diameter odel 5.8 mm E54-CT 2. mm E54-CT Adapter odel Y92F-45 Note: Use this Adapter when the panel has already been prepared for an Controller. Waterproof Cover odel Y92A-48N ounting Adapter odel Y92F-49 Note: This ounting Adapter is provided with the Digital Temperature Controller. DIN Track ounting Adapter odel Y92F-52 4

5 E5CC Specifications Ratings Power supply voltage Operating voltage range Power consumption Sensor input Input impedance Control method Control output Auxiliary output Event input Transfer output A in model number: to 24 VAC, 5/6 Hz D in model number: 24 VAC, 5/6 Hz; 24 VDC 85% to % of rated supply voltage odels with option selection of :5.2 VA max. at to 24 VAC, and. VA max. at 24 VAC or.6 W max. at 24 VDC All other models: 6.5 VA max. at to 24 VAC, and 4. VA max. at 24 VAC or 2. W max. at 24 VDC odels with temperature inputs Thermocouple: K, J, T, E, L, U, N, R, S, B, W, or PL II Platinum resistance thermometer: Pt or JPt Infrared temperature sensor (ESB): to 7 C, 6 to 2 C, 5 to 65 C, or 4 to 26 C Analog input Current input: 4 to 2 ma or to 2 ma Voltage input: to 5 V, to 5 V, or to V Current input: 5 Ω max., Voltage input: Ω min. (Use a : connection when connecting the ES2-HB/THB.) / control or 2-PID control (with auto-tuning) ST-NO, 25 VAC, A (resistive load), electrical life:, operations, Relay output minimum applicable load: 5 V, ma * Voltage output Output voltage: 2 VDC ±2% (PNP), max. load current: 2 ma, with short-circuit protection circuit (for driving SSR) Current output 4 to 2 ma DC/ to 2 ma DC, load: 5 Ω max., resolution: approx.,* Number of outputs N.O. relay outputs, 25 VAC, odels with outputs: 2 A (resistive load), Output specifications Electrical life:, operations, inimum applicable load: ma at 5 V Number of inputs 2 or 4 (depends on model) External contact input specifications Number of outputs Output specifications Contact input: : kω max., : kω min. Non-contact input: : Residual voltage:.5 V max., : Leakage current:. ma max. Current flow: Approx. 7 ma per contact (only on models with a transfer output) Contact output: 4 to 2 ma DC, load: 5 Ω max., resolution: approx., Linear voltage output: to 5 VDC, load: kω max, resolution: Approx., Setting method Digital setting using front panel keys Remote input Current input: 4 to 2 ma DC or to 2 ma DC (input impedance: 5 Ω max.) Voltage input: to 5 V, to 5 V, or to V (input impedance: Ω min.) Indication method -segment digital display and individual indicators Character height: : 5.2 mm, SV: 7. mm ulti Up to eight set points ( to 7) can be saved and selected using event inputs, key operations, or serial communications. anual output, heating/cooling control, loop burnout alarm, ramp, other alarm functions, heater burnout (HB) alarm (including SSR failure (HS) alarm), 4% AT, % AT, V limiter, input digital Other functions filter, self tuning, robust tuning, input shift, run/stop, protection functions, extraction of square root, V change rate limit, simple calculations, temperature status display, simple programming, moving average of input value, and display brightness setting Ambient operating temperature - to 55 C (with no condensation or icing), for -year warranty: - to 5 C (with no condensation or icing) Ambient operating humidity 25% to 85% Storage temperature -25 to 65 C (with no condensation or icing) * You cannot select a relay output or current output for control output 2. 5

6 E5CC Input Ranges Thermocouple/Platinum Resistance Thermometer (Universal inputs) Platinum resistance Input type Thermocouple thermometer Name Pt JPt K J T E L U N R S B W PLII Temperature range ( C) Setting number Shaded settings are the default settings. The applicable standards for the input types are as follows: K, J, T, E, N, R, S, B: JIS C , IEC JPt: JIS C , JIS C L: Fe-CuNi, DIN Pt: JIS C , IEC 675 U: Cu-CuNi, DIN PL II: According to Platinel II electromotive force charts from BASF (previously Engelhard) W: W5Re/W26Re, AST E Analog input Infrared temperature sensor Input type Current Voltage Input 4 to 2 ma to 2 ma to 5 V to 5 V to V specification Usable in the following ranges by scaling: Setting range -999 to 9999, to 999.9, to or to Setting number to 7 C 6 to 2 C 5 to 65 C 4 to 26 C 6

7 E5CC Alarm Outputs Each alarm can be independently set to one of the following 9 alarm types. The default is 2: Upper limit. (see note.) Auxiliary outputs are allocated for alarms. delays and delays ( to 999 s) can also be specified. Note: In the default settings for models with HB or HS alarms, alarm is set to a heater alarm (HA) and the Alarm Type parameter is not displayed. To use alarm, set the output assignment to alarm. Set value Alarm function Upper- and lower-limit * 2 Upper-limit Lower-limit 4 Upper- and lower-limit range * Upper- and lower-limit with standby sequence * *5 Upper-limit with standby sequence 7 Lower-limit with standby sequence 8 Absolute-value upper-limit 9 Absolute-value lower-limit Absolute-value upper-limit with standby sequence Absolute-value lower-limit with standby sequence 2 LBA (alarm type only) change rate alarm 4 absolute value upper limit 5 absolute value lower limit 6 V absolute value upper limit *9 7 V absolute value lower limit *9 8 R absolute value upper limit * 9 R absolute value lower limit * 5 6 * *2 Alarm output operation When alarm value When alarm value is positive is negative Output Alarm type L H *2 L L * Case 2 *4 H H<, L> H < L V V R R H L H H L H<, L> H L L H * L H>, L< H L Set value: 4, Upper- and lower-limit range Case L Case (Always ) Case 2 H H<, L> H < L L H H H>, L< H > L H L L H L No alarm Set the deviation in the set point by setting the alarm upper limit (H) and alarm lower limit (L). The alarm is when the is outside this deviation range. Set the upward deviation in the set point by setting the alarm value (). The alarm is when the is higher than the by the deviation or more. Set the downward deviation in the set point by setting the alarm value (). The alarm is when the is lower than the by the deviation or more. Set the deviation in the set point by setting the alarm upper limit (H) and alarm lower limit (L). The alarm is when the is inside this deviation range. A standby sequence is added to the upper- and lower-limit alarm (). *6 A standby sequence is added to the upper-limit alarm (2). *6 A standby sequence is added to the lower-limit alarm (). *6 The alarm will turn if the process value is smaller than the alarm value () regardless of the set point. A standby sequence is added to the absolute-value upper-limit alarm (8). *6 A standby sequence is added to the absolute-value lower-limit alarm (9). *6 The alarm will turn if the process value is larger than the alarm value () regardless of the set point. *7 *8 Case (Always ) H>, L< H > L - H<, L< L H With set values, 4 and 5, the upper and lower limit values can be set independently for each alarm type, and are expressed as L and H. Set value:, Upper- and lower-limit alarm Case H Description of function H<, L< H<, L> H L H>, L< H L This alarm type turns the alarm when the set point () is higher than the alarm value (). This alarm type turns the alarm when the set point () is smaller than the alarm value (). V This alarm type turns the alarm when the manipulated variable (V) is higher than the alarm value (). V This alarm type turns the alarm when the manipulated variable (V) is smaller than the alarm value (). R The alarm will turn when the remote (R) is larger than the alarm value (). R The alarm will turn when the remote (R) is smaller than the alarm value (). *4 Set value: 5, Upper- and lower-limit with standby sequence For Upper- and Lower-Limit Alarm Described Above *2 Case and 2 Always when the upper-limit and lower-limit hysteresis overlaps. Case : Always *5. Set value: 5, Upper- and lower-limit with standby sequence Always when the upper-limit and lower-limit hysteresis overlaps. *6 Refer to the E5@C Digital Controllers User's anual (Cat. No. H74) for information on the operation of the standby sequence. *7 Refer to the E5@C Digital Controllers User's anual (Cat. No.H74) for information on the loop burnout alarm (LBA). *8 Refer to the E5@C Digital Controllers User's anual (Cat. No. H74) for information on the change rate alarm. *9 When heating/cooling control is performed, the V absolute upper limit alarm functions only for the heating operation and the V absolute lower limit alarm functions only for the cooling operation. * This value is displayed only when a remote input is used. It functions in both Local ode and Remote ode. 7

8 E5CC Characteristics Indication accuracy (at the ambient temperature of 2 C) Transfer output accuracy Remote Input Type Influence of temperature *2 Influence of voltage *2 Input sampling period Hysteresis Proportional band (P) Thermocouple: (±.% of indicated value or ± C, whichever is greater) ± digit max. * Platinum resistance thermometer: (±.2% of indicated value or ±.8 C, whichever is greater) ± digit Analog input: ±.2% FS ± digit max. CT input: ±5% FS ± digit max. ±.% FS max. ±.2% FS ± digit max. Thermocouple input (R, S, B, W, PL II): (±% of or ± C, whichever is greater) ± digit max. Other thermocouple input: (±% of or ±4 C, whichever is greater) ± digit max. * Platinum resistance thermometer: (±% of or ±2 C, whichever is greater) ± digit max. Analog input: (±%FS) ± digit max. CT input: (±5% FS) ± digit max. Remote input: (±% FS) ± digit max. 5 ms Temperature input:. to C or F (in units of. C or F) Analog input:.% to 99.99% FS (in units of.% FS) Temperature input:. to C or F (in units of. C or F) Analog input:.% to 999.9% FS (in units of.% FS) Integral time (I) to 9999 s (in units of s),. to s (in units of. s) *4 Derivative time (D) to 9999 s (in units of s),. to s (in units of. s) *4 Proportional band (P) for cooling Temperature input:. to C or F (in units of. C or F) Analog input:.% to 999.9% FS (in units of.% FS) Integral time (I) for cooling to 9999 s (in units of s),. to s (in units of. s) *4 Derivative time (D) for cooling to 9999 s (in units of s),. to s (in units of. s) *4 Control period.,.2,.5, to 99 s (in units of s) anual reset value. to.% (in units of.%) Alarm setting range -999 to 9999 (decimal point position depends on input type) Affect of signal source resistance Thermocouple:. C/Ω max. ( Ωmax.) Platinum resistance thermometer:. C/Ω max. ( Ω max.) Insulation resistance 2 Ω min. (at 5 VDC) Dielectric strength 2, VAC, 5 or 6 Hz for min (between terminals with different charge) Vibration resistance to 55 Hz, 2 m/s 2 for min each in, Y, and Z directions alfunction to 55 Hz, 2 m/s 2 for 2 hrs each in, Y, and Z directions Destruction Shock resistance m/s2, times each in, Y, and Z directions alfunction m/s 2, times each in, Y, and Z directions Weight Controller: Approx. 2 g, ounting Bracket: Approx. g Degree of protection Front panel: IP66, Rear case: IP2, Terminals: IP emory protection Non-volatile memory (number of writes:,, times) Setup Tool C-Thermo version 4.5 or higher Setup Tool port E5CC top panel: An E58-CIFQ2 USB-Serial Conversion Cable is used to connect to a USB port on the computer. *5 UL 6-, CSA C22.2 No. 6- (evaluated by UL), KOSHA certified (some models) *6, Korean Approved standards Standards Radio Waves Act (Act 564) Conformed standards EN 6- (IEC 6-): Pollution level 2, overcurrent category II, Lloyd's standards *7 EI: EN626 Radiated Interference Electromagnetic Field Strength: EN 55 Group, class A Noise Terminal Voltage: EN 55 Group, class A ES: EN 626 EC ESD Immunity: EN Electromagnetic Field Immunity: EN 6-4- Burst Noise Immunity: EN Conducted Disturbance Immunity: EN Surge Immunity: EN Voltage Dip/Interrupting Immunity: EN 6-4- * The indication accuracy of K thermocouples in the -2 to C range, T and N thermocouples at a temperature of - C max., and U and L thermocouples at any temperatures is ±2 C ± digit max. The indication accuracy of the B thermocouple at a temperature of 4 Cmax. is not specified. The indication accuracy of B thermocouples in the 4 to 8 Crange is ± C max. The indication accuracy of the R and S thermocouples at a temperature of 2 C max. is ± C ± digit max. The indication accuracy of W thermocouples is ±. of or ± C, whichever is greater, ± digit max. The indication accuracy of PL II thermocouples is ±. of or ±2 C, whichever is greater, ± digit max. *2 Ambient temperature: - C to 2 C to 55 C, Voltage range: -5% to % of rated voltage * K thermocouple at - C max.: ± C max. *4 The unit is determined by the setting of the Integral/Derivative Time Unit parameter. *5 External communications (RS-485) and USB-serial conversion cable communications can be used at the same time. *6 Access the following website for information on certified models. *7 Refer to information on maritime standards in Shipping Standards on page 6 for compliance with Lloyd's Standards. 8

9 E5CC USB-Serial Conversion Cable Applicable OS Windows 2, P, Vista, or 7 Applicable software Applicable models C-Thermo version 4.5 or higher E5CC/E5EC/E5AC and E5CB USB interface standard Conforms to USB Specification.. DTE speed Connector specifications Power supply Power supply voltage Current consumption Output voltage Output current Ambient operating temperature Ambient operating humidity Storage temperature 84 bps Computer: USB (type A plug) Digital Temperature Controller: Setup Tool port Bus power (Supplied from USB host controller.)* 5 VDC 45 ma max. 4.7±.2 VDC (Supplied from USB-Serial Conversion Cable to the Digital Temperature Controller.) 25 ma max. (Supplied from USB-Serial Conversion Cable to the Digital Temperature Controller.) to 55 C (with no condensation or icing) % to 8% Storage humidity % to 8% Altitude Weight -2 to 6 C (with no condensation or icing) 2, m max. Approx. 2 g Windows is a registered trademark of icrosoft Corporation in the United States and or other countries. * Use a high-power port for the USB port. Note: A driver must be installed in the personal computer. Refer to installation information in the operation manual for the Conversion Cable. Communications Specifications Transmission line connection method Communications Synchronization method Protocol Baud rate Transmission code Data bit length* Stop bit length* Error detection Flow control Interface Retry function Communications buffer Communications response wait time RS-485: ultipoint RS-485 (two-wire, half duplex) Start-stop synchronization CompoWay/F, or odbus 92, 84, or 576 bps ASCII 7 or 8 bits or 2 bits Vertical parity (none, even, odd) Block check character (BCC) with CompoWay/F or CRC-6 odbus None RS-485 None 27 bytes to 99 ms Default: 2 ms * The baud rate, data bit length, stop bit length, and vertical parity can be individually set using the Communications Setting Level. Communications Functions Programless communications* You can use the memory in the PLC to read and write E5@C parameters, start and stop operation, etc. The E5@C automatically performs communications with PLCs. No communications programming is required. Number of connected Temperature Controllers: 6 max. Applicable PLCs OR PLCs SYSAC CS Series, CJ Series, or CP Series itsubishi Electric PLCs ELSEC Q Series or L Series Communications between components* When Temperature Controllers are connected, the parameters can be copied from the Temperature Controller that is set as the master to Temperature Controllers that are set as slaves. Number of connected Temperature Controllers: 6 max. (including master) When Temperature Controllers are connected, set points and RUN/STOP commands can be sent from the Temperature Controller that is set as the master to Temperature Controllers that are set as slaves. Slope and sets can be set for the set point. Number of connected Temperature Controllers: 6 max. (including master) * A Temperature Controller with version. or higher is required. Current Transformer (Order Separately) Ratings Dielectric strength, VAC for min Vibration resistance 5 Hz, 98 m/s 2 Weight Accessories (E54-CT only) E54-CT: Approx..5 g, E54-CT: Approx. 5 g Armatures (2) Plugs (2) Heater Burnout Alarms and SSR Failure Alarms CT input (for heater current detection) aximum heater current Input current indication accuracy Heater burnout alarm setting range * SSR failure alarm setting range *2 odels with detection for singlephase heaters: One input odels with detection for singlephase or three-phase heaters: Two inputs 5 A AC ±5% FS ± digit max.. to 49.9 A (in units of. A) inimum detection time: ms *. to 49.9 A (in units of. A) inimum detection time: ms *4 * For heater burnout alarms, the heater current will be measured when the control output is, and the output will turn if the heater current is lower than the set value (i.e., heater burnout detection current value). *2 For SSR failure alarms, the heater current will be measured when the control output is, and the output will turn if the heater current is higher than the set value (i.e., SSR failure detection current value). * The value is ms for a control period of. s or.2 s. *4 The value is 5 ms for a control period of. s or.2 s. Electrical Life Expectancy Curve for Relays (Reference Values) Life ( 4 operations) E5CC 25 VAC, VDC (resistive load) cosφ = Switching current (A) 9

10 E5CC External Connections E5CC Control output Relay output 25 VAC, A (resistive load) Voltage output (for driving SSR) 2 VDC, 2 ma Current output to 2 ma DC 4 to 2 ma DC Load: 5 Ω max. () Control outputs, 2 (6) Options Event Inputs and 2, and CT Control output 2 Voltage output (for driving SSR) 2 VDC, 2 ma R Q C QQ odels with Voltage Output (for Driving SSR) odels with Current Output odels with Relay Output 2 OUT R (5) Sensor (Temperature/Analog) Input TC Pt I V A B ma B - V EV EV2 5 6 CT 7 8 OUT Q Communications (RS-485), CT, and CT2 B(+) RS A(-) 5 6 CT CO 7 CT2 8 Note:. The application of the terminals depends on the model. 2. Do not wire the terminals that are shown with a gray background.. When complying with EC standards, the cable that connects the sensor must be m or less. If the cable length exceeds m, compliance with EC standards will not be possible. 4. Connect crimped terminals. Isolation/Insulation Block Diagrams odels with Auxiliary Outputs OUT C Auxiliary outputs to Relay outputs odels with auxiliary outputs: 25 VAC, 2 A (resistive load) odels with 2 Voltage Outputs (for Driving SSR) OUT + Q Q OUT2 4 Communications (RS-485), and Event Inputs and 4 B(+) RS A(-) EV EV4 8 5 () (2) () (4) (5) (6) Terminal type The E5CC is set for a K-type thermocouple (input type = 5) by default. An input error (s.err) will occur if the input type setting does not agree with the temperature sensor. Check the input type. CQ odels with 2 Outputs: Current Output and Voltage (for Driving SSR) OUT + C Q OUT Event Inputs to 4 4 EV 5 EV2 6 7 EV 8 EV4 (2) Auxiliary Outputs Auxiliary outputs, 2, 7 Auxiliary output 8 Auxiliary output 2 9 Auxiliary output () Input Power Supply to 24 VAC 24 VAC/VDC 2 6 Event Inputs and 2, and Transfer Output 4 EV 5 EV V I - 2 (no polarity) 7 Event Inputs and 2, and Remote Input 4 EV 5 EV2 + 6 V + ma 7-8 Sensor input, CT inputs, and remote input Communications and event inputs Power supply Voltage output (for driving SSR), current output, and transfer output Relay output Auxiliary outputs, 2, : Reinforced insulation : Functional isolation Note: Auxiliary outputs to are not isolated.

11 Nomenclature E5CC E5CC Temperature unit Front panel Operation indicators No. display or specified parameter No. 2 display or specified parameter value Top-panel Setup Tool port Top View of E5CC Use the U D Keys to set the parameter. Dimensions Controllers Press O Key once to go to Adjustment Level. Press O Key for at least seconds to go to Initial Setting Level. Use S Key to change the digit (default setting). Use the Key to change to another parameter. (Unit: mm) E5CC Panel Cutout ounted Separately Group ounted (48 number of units - 2.5) min. Group mounting does not allow waterproofing Waterproof Packing (Accessory) ounting Adapter (Accessory) Terminal Cover (E5-COV7) (Sold separately) The Setup Tool port is on the top of the Temperature Controller. It is used to connect the Temperature Controller to the computer to use the Setup Tool. The E58-CIFQ2 USB-Serial Conversion Cable is required to make the connection. Refer to the instructions that are provided with the USB-Serial Conversion Cable for the connection procedure. Note: Do not leave the USB-Serial Conversion Cable connected when you use the Temperature Controller Recommended panel thickness is to 5 mm. Group mounting is not possible in the vertical direction. (aintain the specified mounting space between Controllers.) To mount the Controller so that it is waterproof, insert the waterproof packing onto the Controller. When two or more Controllers are mounted, make sure that the surrounding temperature does not exceed the allowable operating temperature specified in the specifications. To attach the USB-Serial Conversion Cable to the control panel, use a panel thickness of to 2.5 mm. Accessories (Order Separately) USB-Serial Conversion Cable E58-CIFQ2 (2,9.) () 25 (87),74 LED (RD) (25) (5) (5) USB connector (type A plug) LED (PWR) LED (SD) Serial connector Terminal Covers E5-COV7 48 Terminal Covers E5-COV2 (Three Covers provided.) Terminal Cover (E5-COV2)

12 E5CC Waterproof Packing Y92S-P8 (for DIN 48 48) The Waterproof Packing is provided with the Temperature Controller. Order the Waterproof Packing separately if it becomes lost or damaged. The Waterproof Packing can be used to achieve an IP66 degree of protection. (Deterioration, shrinking, or hardening of the waterproof packing may occur depending on the operating environment. Therefore, periodic replacement is recommended to ensure the level of waterproofing specified in IP66. The time for periodic replacement depends on the operating environment. Be sure to confirm this point at your site. Consider three years a rough standard.) The Waterproof Packing does not need to be attached if a waterproof structure is not required. Current Transformers E54-CT E54-CT dia..5 Two,.5 dia. 2.6 dia. 2 dia Thru-current (Io) vs. Output Voltage (Eo) (Reference Values) E54-CT aximum continuous heater current: 5 A (5/6 Hz) Number of windings: 4±2 Winding resistance: 8±2 Ω Output voltage (Eo) V (r.m.s.) V mv μv Frequency: 5 Hz kω Ω RL=Ω % % Distortion factor % 4 4 ma,a Thru-current (Io) A (r.m.s.) E54-CT Accessory Armature Approx. dia. Plug 8 5 Two, (depth: 4) Connection Example Armature Plug Lead Thru-current (Io) vs. Output Voltage (Eo) (Reference Values) E54-CT aximum continuous heater current: 2 A (5/6 Hz) (aximum continuous heater current for an OR Digital Temperature Controller is 5 A.) Number of windings: 4±2 Winding resistance: 8±.8 Ω Output voltage (Eo) V (r.m.s.) V Frequency: 5 Hz Distortion factor kω % 5Ω % % mv Ω 5Ω RL=Ω Approx. 6 dia. (22) μv ma,a Thru-current (Io) A (r.m.s.) 2

13 E5CC Adapter Y92F-45 Note:. Use this Adapter when the Front Panel has already been prepared for the 2. Only black is available.. You cannot use the E58-CIFQ2 USB-Serial Conversion Cable if you use the Y92F-45 Adapter. To use the USB-Serial Conversion Cable to make the settings, do so before you mount the Temperature Controller in the panel to 77.6 Fixture (Accessory) ounted to E5CC Panel ( to 8 mm) ounting Adapter Y92F- (Accessory) DIN Track ounting Adapter Y92F To back of the E5CC Note: This Adapter cannot be used together with the Terminal Cover. Remove the Terminal Cover to use the Adapter. 6.5 This Adapter is used to mount the E5CC to a DIN Track. If you use the Adapter, there is no need for a plate to mount in the panel or to drill mounting holes in the panel. 5 8 ounted to E5CC

14 E5CC Watertight Cover Y92A-48N (2) ounting Adapter Y92F-49 The ounting Adapter is provided with the Temperature Controller. Order this Adapter separately if it becomes lost or damaged Protective Cover Y92A-48D Note: This Protective Cover cannot be used if the Waterproof Packing is installed. This Protective Cover is soft type. It is able to operate the controller with using this cover. Protective Cover Y92A-48H This Protective Cover is hard type. Please use it for the mis-operation prevention etc. 4

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16 Digital Temperature Controller E5EC/E5AC (48 96 mm/96 96 mm) Large White Display That s Easier to Read. Easy to Use, from odel Selection to Setup and Operation. A Complete Range of I/O Capacities, Functions, and Performance. Handles ore Applications. A white LCD display with a height of approx. 8 mm for the E5EC and 25 mm for the E5AC improves visibility. Tool ports are provided both on the top panel and the front panel. Set up the Controller without wiring the power supply by connecting to the computer with a Communications Conversion Cable (sold separately). Setup is easy with the C-Thermo (sold separately). High-speed sampling at 5 ms. odels are available with up to 4 auxiliary outputs, up to 6 event inputs, a transfer output, and a remote input to cover a wide range of applications. Short body with depth of only 6 mm. Easy connections to a PLC with programless communications. Use component communications to link Temperature Controllers to each other. The new position-proportional control models allow you to control valves as well. ain I/O Functions mm E5EC mm E5AC Refer to Safety Precautions on page 4. Sensor Input Thermocouple Pt Universal analog current/voltage input Indication Accuracy Thermocouple input: ±.% of Pt input: ±.2% of Analog input: ±.2% of FS E5EC E5AC Three-level Display, SV, and V displayed at the same time. Control Output Relay output Voltage output (for driving SSR) Current output 4-digit displays Sampling Period 5 ms Event Inputs None Remote Input None Serial Communications None RS-485 PF (shift) Key Setup Tool port on front panel Temperature status display Simple programming Independent heating and cooling PID control Changed parameter display Display brightness setting Control Output 2 Voltage output (for driving SSR) Relay output Current output Auxiliary Outputs 4 Transfer Output None This datasheet is provided as a guideline for selecting products. Be sure to refer to the following manuals for application precautions and other information required for operation before attempting to use the product. E5@C Digital Controllers User s anual (Cat. No. H74) E5@C Digital Controllers Communications anual (Cat. No. H75) 6

17 odel Number Legend and Standard odels odel Number Legend (Example: E5EC-R4A5-) A B C D E (Example: E5AC-R4A5-) A B C D E F E5EC/E5AC odel E5EC E5AC Option selection conditions * A B C D E F Control outputs and 2 No. of auxiliary outputs *. The options that can be selected depend on the type of control output. *2. The control output cannot be used as a transfer output. *. A model with four auxiliary outputs must be selected. Heating and Cooling Control l Using Heating and Cooling Control Power supply voltage Terminal type Input type Options A Control Output Assignment If there is no control output 2, an auxiliary output is used as the cooling control output. If there is a control output 2, the two control outputs are used for heating and cooling. (It does not matter which output is used for heating and which output is used for cooling.) B Control If PID control is used, you can set PID control separately for heating and cooling. This allows you to handle control systems with different heating and cooling response characteristics. eaning mm mm Control output Control output 2 R Relay output None Q Voltage output (for driving SSR) None *2 C Linear current output None QQ QR Voltage output (for driving SSR) Voltage output (for driving SSR) Voltage output (for driving SSR) Relay output RR Relay output Relay output *2 CC Linear current output Linear current output CQ Linear current output Voltage output (for driving SSR) PR Position-proportional relay output Position-proportional relay output * 4 4 (auxiliary outputs and 2 with same common and auxiliary outputs and 4 with same common) A to 24 VAC D 24 VAC/DC Control outputs and 2 5 Screw terminals (with cover) For R, Universal input Q, QQ, For C or HB alarm For PR QR, RR, or CC and Communications Event Remote Transfer inputs Input output CQ HS alarm Selectable Selectable Selectable Selectable Selectable RS Selectable Selectable 9 2 (for -phase heaters) RS Selectable Selectable Provided. Provided. Selectable Provided. Provided. Selectable Selectable RS Provided. Provided. 7

18 E5EC/E5AC Optional Products (Order Separately) USB-Serial Conversion Cable Communications Conversion Cable Note: Always use this product together with the E58-CIFQ2. This Cable is used to connect to the front-panel Setup Tool port. Terminal Covers odel E58-CIFQ2 odel E58-CIFQ2-E odel E5-COV24 Current Transformers (CTs) Hole diameter odel 5.8 mm E54-CT 2. mm E54-CT C-Thermo Support Software odel EST2-2C-V4 Note: C-Thermo version 4.5 or higher is required for the E5EC. For the system requirements for the C-Thermo, refer to information on the EST2-2C-V4 on the OR website ( Waterproof Packing Applicable Controller E5EC E5AC Note: This Waterproof Packing is provided with the Digital Temperature Controller. Waterproof Cover odel Y92S-P9 Y92S-P Applicable Controller E5EC E5AC odel Y92A-49N Y92A-96N Front Port Cover odel Y92S-P7 Note: This Front Port Cover is provided with the Digital Temperature Controller. ounting Adapter odel Y92F-5 (Two Adapters are included.) Note: This ounting Adapter is provided with the Digital Temperature Controller. 8

19 Specifications Ratings Power supply voltage Operating voltage range Power consumption Sensor input Input impedance Control method Control output Auxiliary output Event input Transfer output Remote input Relay output Potentiometer input Setting method Indication method Voltage output (for driving SSR) E5EC E5AC E5EC/E5AC A in model number: to 24 VAC, 5/6 Hz D in model number: 24 VAC, 5/6 Hz; 24 VDC 85% to % of rated supply voltage odels with option selection of :6.6 VA max. at to 24 VAC, and 4. VA max. at 24 VAC or 2. W max. at 24 VDC All other models: 8. VA max. at to 24 VAC, and 5.5 VA max. at 24 VAC or.2 W max. at 24 VDC odels with option selection of :7. VA max. at to 24 VAC, and 4.2 VA max. at 24 VAC or 2.4 W max. at 24 VDC All other models: 9. VA max. at to 24 VAC, and 5.6 VA max. at 24 VAC or.4 W max. at 24 VDC odels with temperature inputs Thermocouple: K, J, T, E, L, U, N, R, S, B, W, or PL II Platinum resistance thermometer: Pt or JPt Infrared temperature sensor (ESB): to 7 C, 6 to 2 C, 5 to 65 C, or 4 to 26 C Analog input Current input: 4 to 2 ma or to 2 ma Voltage input: to 5 V, to 5 V, or to V Current input: 5 Ω max., Voltage input: Ω min. (Use a : connection when connecting the ES2-HB/THB.) / or 2-PID control (with autotuning) ST-NO, 25 VAC, 5 A (resistive load), electrical life:, operations, minimum applicable load: 5 V, ma Output voltage: 2 VDC ±2% (PNP), max. load current: 4 ma, with short-circuit protection circuit (The maximum load current is 2 ma for models with two control outputs.) Current output 4 to 2 ma DC/ to 2 ma DC, load: 5 Ω max., resolution: approx., Number of outputs 4 Output specifications N.O. relay outputs, 25 VAC, odels with 4 outputs: 2 A (resistive load), Electrical life:, operations, inimum applicable load: ma at 5 V Number of inputs 2, 4 or 6 (depends on model) External contact input specifications Number of outputs Output specifications Contact input: : kω max., : kω min. Non-contact input: : Residual voltage:.5 V max., : Leakage current:. ma max. Current flow: Approx. 7 ma per contact (only on models with a transfer output) Current output: 4 to 2 ma DC, Load: 5 Ω max., Resolution: Approx., Linear voltage output: to 5 VDC, load: kω max, Resolution: Approx., Current input: 4 to 2 ma DC or to 2 ma DC (input impedance: 5 Ω max.) Voltage input: to 5 V, to 5 V, or to V (input impedance: Ω min.) Ω to kω Digital setting using front panel keys -segment digital display and individual indicators Character height: E5EC: : 8. mm, SV:. mm, V: 7.8 mm E5AC: : 25. mm, SV: 5. mm, V: 9.5 mm Three displays Contents: /SV/V, /SV/ulti-, or /SV/Remaining soak time Numbers of digits: 4 digits each for P, SV, and V displays Up to eight set points ( to 7) can be saved and selected using event inputs, key operations, or ulti serial communications. Bank switching None anual output, heating/cooling control, loop burnout alarm, ramp, other alarm functions, heater burnout (HB) alarm (including SSR failure (HS) alarm), 4% AT, % AT, V limiter, input digital Other functions filter, self tuning, robust tuning, input shift, run/stop, protection functions, extraction of square root, V change rate limit, simple calculations, temperature status display, simple programming, moving average of input value, and display brightness setting - to 55 C (with no condensation or icing), Ambient operating temperature for -year warranty: - to 5 C (with no condensation or icing) Ambient operating humidity 25% to 85% Storage temperature -25 to 65 C (with no condensation or icing) 9

20 E5EC/E5AC Input Ranges Thermocouple/Platinum Resistance Thermometer (Universal inputs) Input type Platinum resistance thermometer Thermocouple Name Pt JPt K J T E L U N R S B W PLII Temperature range ( C) Setting range Shaded settings are the default settings. The applicable standards for the input types are as follows: K, J, T, E, N, R, S, B: JIS C , IEC JPt: JIS C , JIS C L: Fe-CuNi, DIN Pt: JIS C , IEC 675 U: Cu-CuNi, DIN PL II: According to Platinel II electromotive force charts from BASF (previously Engelhard) W: W5Re/W26Re, AST E Analog input.. 9 Infrared temperature sensor to 7 C 6 to 2 C 5 to 65 C Input type Current Voltage Input 4 to 2 ma to 2 ma to 5 V to 5 V to V specification Usable in the following ranges by scaling: Setting range -999 to 9999, to 999.9, to or to Setting number to 26 C 26 2

21 E5EC/E5AC Alarm type Each alarm can be independently set to one of the following 9 alarm types. The default is 2: Upper limit. (see note.) Auxiliary outputs are allocated for alarms. delays and delays ( to 999 s) can also be specified. Note: In the default settings for models with HB or HS alarms, alarm is set to a heater alarm (HA) and the Alarm Type parameter is not displayed. To use alarm, set the output assignment to alarm. Set value Alarm output operation When alarm value When alarm value is positive is negative Output Alarm type Alarm function Upper- and lower-limit * 2 Upper-limit Lower-limit 4 Upper- and lower-limit range * Upper- and lower-limit with standby sequence * *5 Upper-limit with standby sequence 7 Lower-limit with standby sequence 8 Absolute-value upper-limit 9 Absolute-value lower-limit Absolute-value upper-limit with standby sequence Absolute-value lower-limit with standby sequence 2 LBA (alarm type only) change rate alarm 4 absolute value upper limit 5 absolute value lower limit 6 V absolute value upper limit *9 7 V absolute value lower limit *9 8 R absolute value upper limit * 9 R absolute value lower limit * 5 6 L H *2 L L * *4 V V R R H Case (Always ) H<, L> H < L H L H H>, L< H > L H L H<, L> H L L H L H>, L< H L *. Set value: 4, Upper- and lower-limit range Case L Case (Always ) Case 2 H H<, L> H < L L H H H>, L< H > L H L L H L No alarm Set the deviation in the set point by setting the alarm upper limit (H) and alarm lower limit (L). The alarm is when the is outside this deviation range. Set the upward deviation in the set point by setting the alarm value (). The alarm is when the is higher than the by the deviation or more. Set the downward deviation in the set point by setting the alarm value (). The alarm is when the is lower than the by the deviation or more. Set the deviation in the set point by setting the alarm upper limit (H) and alarm lower limit (L). The alarm is when the is inside this deviation range. A standby sequence is added to the upper- and lower-limit alarm ().*6 A standby sequence is added to the upper-limit alarm (2). *6 A standby sequence is added to the lower-limit alarm ().*6 The alarm will turn if the process value is smaller than the alarm value () regardless of the set point. A standby sequence is added to the absolute-value upperlimit alarm (8). *6 A standby sequence is added to the absolute-value lower-limit alarm (9). *6 The alarm will turn if the process value is larger than the alarm value () regardless of the set point. *7 *8 H<, L< L - With set values, 4 and 5, the upper and lower limit values can be set independently for each alarm type, and are expressed as L and H. *2. Set value:, Upper- and lower-limit alarm Case 2 H * Case H Description of function H<, L< H<, L> H L H>, L< H L This alarm type turns the alarm when the set point () is higher than the alarm value (). This alarm type turns the alarm when the set point () is smaller than the alarm value (). V This alarm type turns the alarm when the manipulated variable (V) is higher than the alarm value (). V This alarm type turns the alarm when the manipulated variable (V) is smaller than the alarm value (). R The alarm will turn when the remote (R) is larger than the alarm value (). R The alarm will turn when the remote (R) is smaller than the alarm value (). *4. Set value: 5, Upper- and lower-limit with standby sequence For Upper- and Lower-Limit Alarm Described Above *2 Case and 2 Always when the upper-limit and lower-limit hysteresis overlaps. Case : Always *5. Set value: 5, Upper- and lower-limit with standby sequence Always when the upper-limit and lower-limit hysteresis overlaps. *6. Refer to the E5@C Digital Controllers User's anual (Cat. No. H74) for information on the operation of the standby sequence. *7. Refer to the E5@C Digital Controllers User's anual (Cat. No. H74) for information on the change rate alarm. This setting cannot be used with a position-proportional model. *8. Refer to the E5@C Digital Controllers User's anual (Cat. No. H74) for information on the change rate alarm. *9. When heating/cooling control is performed, the V absolute upper limit alarm functions only for the heating operation and the V absolute lower limit alarm functions only for the cooling operation. *. This value is displayed only when a remote input is used. It functions in both Local ode and Remote ode. 2

22 E5EC/E5AC Characteristics Indication accuracy (at the ambient temperature of 2 C) Transfer output accuracy Remote Input Type Influence of temperature *2 Influence of voltage *2 Input sampling period Hysteresis Proportional band (P) Integral time (I) Thermocouple: (±.% of indicated value or ± C, whichever is greater) ± digit max. * Platinum resistance thermometer: (±.2% of indicated value or ±.8 C, whichever is greater) ± digit Analog input: ±.2% FS ± digit max. CT input: ±5% FS ± digit max. Potentiometer input: ±5% FS ± digit max. ±.% FS max. ±.2% FS ± digit max. Thermocouple input (R, S, B, W, PL II): (±% of or ± C, whichever is greater) ± digit max. Other thermocouple input: (±% of or ±4 C, whichever is greater) ± digit max. * Platinum resistance thermometer: (±% of or ±2 C, whichever is greater) ± digit max. Analog input: (±%FS) ± digit max. CT input: (±5% FS) ± digit max. Remote input: (±% FS) ± digit max. 5ms Temperature input:. to C or F (in units of. C or F) Analog input:.% to 99.99% FS (in units of.% FS) Temperature input:. to C or F (in units of. C or F) Analog input:. to 999.9% FS (in units of.% FS) Standard, heating/cooling, or Position-proportional (Close): to 9999 s (in units of s),. to s (in units of. s) Position-proportional (Floating): to 9999 s (in units of s),. to s (in units of. s)*4 Derivative time (D) to 9999 s (in units of s),. to s (in units of. s) *4 Proportional band (P) for cooling Temperature input:. to C or F (in units of. C or F) Analog input:. to 999.9% FS (in units of.% FS) Integral time (I) for cooling to 9999 s (in units of s),. to s (in units of. s) *4 Derivative time (D) for cooling to 9999 s (in units of s),. to s (in units of. s) *4 Control period.,.2,.5, to 99 s (in units of s) anual reset value. to.% (in units of.%) Alarm setting range -999 to 9999 (decimal point position depends on input type) Affect of signal source resistance Thermocouple:. C/Ω max. ( Ω max.) Platinum resistance thermometer:. C/Ω max. ( Ω max.) Insulation resistance 2 Ω min. (at 5 VDC) Dielectric strength 2, VAC, 5 or 6 Hz for min (between terminals with different charge) Vibration resistance to 55 Hz, 2 m/s 2 for min each in, Y, and Z directions alfunction to 55 Hz, 2 m/s 2 for 2 hrs each in, Y, and Z directions Destruction resistance m/s2, times each in, Y, and Z directions alfunction m/s 2, times each in, Y, and Z directions Weight E5EC Controller: Approx. 2 g, ounting Brackets: Approx. 4 g 2 E5AC Controller: Approx. 25 g, ounting Brackets: Approx. 4 g 2 Degree of protection Front panel: IP66, Rear case: IP2, Terminals: IP emory protection Non-volatile memory (number of writes:,, times) Setup Tool C-Thermo version 4.5 or higher E5EC/E5AC top panel: Setup Tool port Standards EC An E58-CIFQ2 USB-Serial Conversion Cable is used to connect to a USB port on the computer.*5 E5EC/E5AC front panel: An E58-CIFQ2 USB-Serial Conversion Cable and E58-CIFQ2-E Conversion Cable are used together to connect to a USB port on the computer.*5 Approved standards UL 6-, CSA C22.2 No. 6- (evaluated by UL), Korean Radio Waves Act (Act 564) Conformed standards EN 6- (IEC 6-): Pollution level 2, overcurrent category II, Lloyd's standards *6 EI EN626 Radiated Interference Electromagnetic Field Strength: EN 55 Group, class A Noise Terminal Voltage: EN 55 Group, class A ES: EN 626 ESD Immunity: EN Electromagnetic Field Immunity: EN 6-4- Burst Noise Immunity: EN Conducted Disturbance Immunity: EN Surge Immunity: EN Voltage Dip/Interrupting Immunity: EN 6-4- * The indication accuracy of K thermocouples in the -2 to C range, T and N thermocouples at a temperature of - C max., and U and L thermocouples at any temperatures is ±2 C ± digit max. The indication accuracy of the B thermocouple at a temperature of 4 C max. is not specified. The indication accuracy of B thermocouples in the 4 to 8 C range is ± C max. The indication accuracy of the R and S thermocouples at a temperature of 2 C max. is ± C ± digit max. The indication accuracy of W thermocouples is ±. of or ± C, whichever is greater, ± digit max. The indication accuracy of PL II thermocouples is ±. of or ±2 C, whichever is greater, ± digit max. *2 Ambient temperature: - C to 2 C to 55 C, Voltage range: -5% to % of rated voltage * K thermocouple at - C max.: ± C max. *4 The unit is determined by the setting of the Integral/Derivative Time Unit parameter. *5 External communications (RS-485) and USB-serial conversion cable communications can be used at the same time. *6 Refer to information on maritime standards in Shipping Standards on page 6 for compliance with Lloyd's Standards. 22

23 E5EC/E5AC USB-Serial Conversion Cable Applicable OS Windows 2, P, Vista, or 7 Applicable software Applicable models C-Thermo version 4.5 or higher E5CC/E5EC/E5AC and E5CB USB interface standard Conforms to USB Specification.. DTE speed Connector specifications Power supply Power supply voltage Current consumption Output voltage Output current Ambient operating temperature Ambient operating humidity Storage temperature 8,4 bps Computer: USB (type A plug) Digital Temperature Controller: Setup Tool port Bus power (Supplied from USB host controller.)* 5 VDC 45 ma max. 4.7±.2 VDC (Supplied from USB-Serial Conversion Cable to the Digital Temperature Controller.) 25 ma max. (Supplied from USB-Serial Conversion Cable to the Digital Temperature Controller.) to 55 C (with no condensation or icing) % to 8% Storage humidity % to 8% Altitude Weight -2 to 6 C (with no condensation or icing) 2, m max. Approx. 2 g Windows is a registered trademark of icrosoft Corporation in the United States and or other countries. * Use a high-power port for the USB port. Note: A driver must be installed in the personal computer. Refer to installation information in the operation manual for the Conversion Cable. Communications Specifications Transmission line connection method Communications Synchronization method Protocol Baud rate Transmission code Data bit length* Stop bit length* Error detection Flow control Interface Retry function Communications buffer Communications response wait time RS-485: ultipoint RS-485 (two-wire, half duplex) Start-stop synchronization CompoWay/F, or odbus 92, 84, or 576 bps ASCII 7 or 8 bits or 2 bits Vertical parity (none, even, odd) Block check character (BCC) with CompoWay/F or CRC-6 odbus None RS-485 None 27 bytes to 99 ms Default: 2 ms * The baud rate, data bit length, stop bit length, and vertical parity can be individually set using the Communications Setting Level. Communications Functions Programless communications* You can use the memory in the PLC to read and write E5@C parameters, start and stop operation, etc. The E5@C automatically performs communications with PLCs. No communications programming is required. Number of connected Temperature Controllers: 6 max. Applicable PLCs OR PLCs SYSAC CS Series, CJ Series, or CP Series itsubishi Electric PLCs ELSEC Q Series or L Series Communications between components* When Temperature Controllers are connected, the parameters can be copied from the Temperature Controller that is set as the master to Temperature Controllers that are set as slaves. Number of connected Temperature Controllers: 6 max. (including master) When Temperature Controllers are connected, set points and RUN/STOP commands can be sent from the Temperature Controller that is set as the master to Temperature Controllers that are set as slaves. Slope and sets can be set for the set point. Number of connected Temperature Controllers: 6 max. (including master) * A Temperature Controller with version. or higher is required. Current Transformer (Order Separately) Ratings Dielectric strength, VAC for min Vibration resistance 5 Hz, 98 m/s 2 Weight Accessories (E54-CT only) E54-CT: Approx..5 g, E54-CT: Approx. 5 g Armatures (2) Plugs (2) Heater Burnout Alarms and SSR Failure Alarms CT input (for heater current detection) aximum heater current Input current indication accuracy Heater burnout alarm setting range * SSR failure alarm setting range *2 odels with detection for singlephase heaters: One input odels with detection for singlephase or three-phase heaters: Two inputs 5 A AC ±5% FS ± digit max.. to 49.9 A (in units of. A) inimum detection time: ms *. to 49.9 A (in units of. A) inimum detection time: ms *4 *. For heater burnout alarms, the heater current will be measured when the control output is, and the output will turn if the heater current is lower than the set value (i.e., heater burnout detection current value). *2. For SSR failure alarms, the heater current will be measured when the control output is, and the output will turn if the heater current is higher than the set value (i.e., SSR failure detection current value). *. The value is ms for a control period of. s or.2 s. *4. The value is 5 ms for a control period of. s or.2 s. Electrical Life Expectancy Curve for Relays (Reference Values) Life ( 4 operations) E5EC/E5AC 25 VAC, VDC (resistive load) cosφ = Switching current (A) 2