CJ Series Temperature Control Unit CJ1W-TC

International Standards

• The standards are abbreviated as follows: U: UL, U1: UL (Class I Division 2 Products for Hazardous Locations), C: CSA, UC: cULus, UC1: cULus (Class I Division 2 Products for Hazardous Locations), CU: cUL, N: NK, L: Lloyd, and CE: EC Directives.
• Contact your OMRON representative for further details and applicable conditions for these standards.

Unit classi- fica- tion	Product name	Specifications			No. of unit numbers allocated	Current consumption (A)		Model	Stand- ards
		No. of loops	Temperature sensor inputs	Control outputs		5 V	24 V
CJ1 Special I/O Units	Temperature Control Units	4 loops	Thermocouple input (R, S, K, J, T, B, L)	Open collector NPN outputs (pulses)	2	0.25	-	CJ1W-TC001 *	UC1, N, L, CE
		4 loops		Open collector PNP outputs (pulses)		0.25	-	CJ1W-TC002 *
		2 loops, heater burnout detection function		Open collector NPN outputs (pulses)		0.25	-	CJ1W-TC003
		2 loops, heater burnout detection function		Open collector PNP outputs (pulses)		0.25	-	CJ1W-TC004
		4 loops	Platinum resistance thermometer input (JPt100, Pt100)	Open collector NPN outputs (pulses)		0.25	-	CJ1W-TC101 *
		4 loops		Open collector PNP outputs (pulses)		0.25	-	CJ1W-TC102 *
		2 loops, heater burnout detection function		Open collector NPN outputs (pulses)		0.25	-	CJ1W-TC103
		2 loops, heater burnout detection function		Open collector PNP outputs (pulses)		0.25	-	CJ1W-TC104

* This unit cannot be used, with the Machine Automation Controller NJ-series.

General Specifications

Item	Specification
Unit classification	CJ-series Special I/O Unit
Compatible Racks	CJ-series CPU Rack or CJ-series Expansion Rack
Max. number of Units	10 Units/Rack max. (CPU Rack or Expansion Rack)
CPU Unit data areas for data storage/exchange	Special I/O Unit Area (960 words) CIO 2000 to CIO 2959	20 words/Unit for constant data exchange (6 output words and 14 input words)	CPU Unit to Temperature Control Unit	Set point (SP) Operating commands RUN/STOP control Start/Stop AT Write commands Heater burnout set value
			Temperature Control Unit to CPU Unit	Process value (PV) Set point (SP) Status Heater current monitor
	DM words allocated to Special I/O Units (9,600 words) D20000 to D29599	10 words/Unit transferred when power is turned ON or Unit is restarted	CPU Unit to Temperature Control Unit	Alarm mode Alarm hysteresis
		90 words/Unit for regular data exchange	Two-way transfer between CPU Unit and Temperature Control Unit	Alarm value Input compensation value Control period Hysteresis Proportional band Integral time Derivative time Output monitor
Insulation resistance	20 M Ω min. (at 500 VDC) between the following points: All output and NC terminals and external AC terminals (Power Supply Unit) All input terminals and external AC terminals (Power Supply Unit) All input terminals and all output terminals All external DC terminals (inputs, outputs, and NC) and the FG plate Between input terminals (sensor and CT inputs) I/O terminals and NC terminals
Dielectric strength	2,000 VAC 50/60 Hz for 1 min., detected current: 1 mA The output terminals/NC terminals and external AC terminals (Power Supply Unit) 1,000 VAC 50/60 Hz for 1 min., detected current: 1 mA Input terminals and external AC terminals (Power Supply Unit) Input terminals and output terminals External DC terminals (inputs, outputs, and NC) and the FG plate 500 VAC 50/60 Hz for 1 min., detected current: 1 mA Between input terminals (sensor and CT inputs) I/O terminals and NC terminals
Internal current consumption	250 mA max., 5 VDC
Other	Other general specifications conform to the CJ-series general specifications.
Dimensions	31 × 90 × 65 mm (W × H × D)
Weight	150 g max.

Characteristics

Item	Specification
Model number	CJ1W-TC00[]	CJ1W-TC10[]
Temperature sensor	Thermocouple: R, S, K, J, T, L, B	Platinum resistance thermometer: Pt100, JPt100
Number of loops	4 loops or 2 loops with heater burnout detection *1
Control output and heater burnout alarm output	NPN or PNP outputs, both with short-circuit protection *1 External power supply voltage: 24 VDC +10%, -15% Max. switching capacity: 100 mA (per output) Leakage current: 0.3 mA max. Residual voltage: 3 V max.
Temperature control method	ON/OFF control or PID control with two degrees of freedom (Set with pin 6 on the Unit's DIP switch.)
Control operation	Forward or reverse operation (Set with pins 4 and 5 on the Unit's DIP switch.)
RUN/STOP control	Supported (Controlled from the CPU Unit through bits allocated in the Special I/O Unit area.)
Operation with CPU Unit in PROGRAM mode	The Temperature Control Unit can be set to continue operating or stop operating when the CPU Unit is in PROGRAM mode. (Set with pin 1 on the Unit's DIP switch.)
Auto/Manual switch for operational output	None
Autotuning (AT) of PID constant	Supported (Controlled from the CPU Unit through bits allocated in the Special I/O Unit area.)
Indication accuracy	Celsius: ± 0.3% of PV or ± 1 ° C (whichever is larger) ± 1 digit max. Fahrenheit: ± 0.3% of PV or ± 2 ° F (whichever is larger) ± 1 digit max. L and - 100 ° C or less for K and T are ± 2 ° C ± 1 digit max. 200 ° C or less for R and S is ± 3 ° C ± 1 digit max. No accuracy is specified for 400 ° C or less for B *2	Celsius: ± 0.3% of PV or ± 0.8 ° C (whichever is larger) ± 1 digit max. Fahrenheit: ± 0.3% of PV or ± 1.6 ° F (whichever is larger) ± 1 digit max.
Hysteresis (when using ON/OFF control)	0.0 to 999.9 ° C or ° F (0.1 ° C or ° F units)
Proportional band	0.1 to 999.9 ° C or ° F (0.1 ° C or ° F units)
Integral (reset) time	0 to 9,999 s (one-second units)
Derivative (rate) time	0 to 9,999 s (one-second units)
Control period	1 to 99 s (one-second units)
Sampling period	500 ms (4 loops)
Output refresh period	500 ms (4 loops)
Display refresh period	500 ms (4 loops)
Input compensation value	- 99.9 to 999.9 ° C or ° F (0.1 ° C or ° F units)
Alarm output setting range	- 999 to 9,999 ° C or ° F (1 ° C or ° F units) The setting range will be - 99.9 to 999.9 ° C or ° F (0.1 ° C or ° F units) for K or J with decimal point mode, or platinum resistance thermometer.B24
External terminal connections	Removable terminal block with 18 points (M3 screws)
Effect on the CPU Unit's cycle time	0.4ms

*1. The last three digits of the model number indicate the Unit's features:

*2. Indication accuracy of thermocouples 
       • Accuracy ratings are given for the Temperature Control Unit used in a set with a cold-junction compensator (on the 
           terminal block). Always use the Unit and terminal block in a set. There are labels with serial numbers attached to 
           the terminal blocks and Units to help keep track of the sets. 
       • When returning a thermocouple-type Temperature Control Unit for repair, always return the Unit and the terminal 
           block (with the cold-junction compensator) as a set.

Heater Burnout (HB) Alarm

Item	Specification
Maximum heater current	Single-phase AC, 50 A
Indication accuracy of input current	±5% of full scale ± 1 digit max.
Heater burnout alarm setting range	0.1 to 49.9 A (0.1 A units) The heater burnout detection function will not operate if the set value is set to 0.0 A or 50.0 A. (When the SV is 0.0 A, the heather burnout alarm will be OFF. When the SV is 50.0 A, the heater burnout alarm will be ON.)
Min. detectable ON time *	200 ms

* If the control output is ON for less than 200 ms, the heater burnout detection function will not operate and heater 
   current measurement will not be performed.

Current Transformer (CT) Ratings

Item	E54-CT1	E54-CT3
Max. continuous heater current	50A	120 A *
Dielectric strength	1,000 VAC (1 min.)
Vibration resistance	50 Hz, 98 m/s2
Weight	Approx. 11.5 g	Approx. 50 g
Accessories	None	Contacts (2) Plugs (2)

Note: Do not use any Current Transformer (CT) other than the OMRON E54-CT1 or E54-CT3 Current Transformer. 
* The maximum continuous heater current that can be detected at a CJ1W-TC[][][] Temperature Control Unit is 50 A.

CJ-series Process Analog I/O Unit CJ1W-PDC15

International Standards

• The standards are abbreviated as follows: U: UL, U1: UL (Class I Division 2 Products for Hazardous Locations), C: CSA, UC: cULus, UC1: cULus (Class I Division 2 Products for Hazardous Locations), CU: cUL, N: NK, L: Lloyd, and CE: EC Directives.
• Contact your OMRON representative for further details and applicable conditions for these standards.

Isolated-type DC Input Units

Unit  classi-  fication	Product name	Input  points	Signal  range  selection	Conver- sion  speed  (resolu-  tion)	Accuracy (at  ambient  tempera-  ture of  25 ° C)	External connec- tion	No. of unit  num-  bers  allo-  cated	Current  consump-  tion (A)		Model	Stand- ards
								5 V	24 V
CJ1  Special I/O  Units	Iso-  lated-  type  DC  Input  Units	2  inputs	DC voltage:  0 to 1.25 V,  -1.25 to  1.25 V,  0 to 5 V,  1 to 5 V,  -5 to 5 V,  0 to 10 V,  -10 to 10 V, ±10 V  selectable  range  DC current: 0 to 20 mA, 4 to 20 mA	Conver-  sion  speed:  10 ms/  2 inputs  Resolu-  tion:  1/64,000	Accuracy:  ± 0.05%  of F.S.	Re-  movable terminal  block	1	0.18	0.09 *	CJ1W-PDC15	UC1,  CE

* This is for an external power supply, and not for internal current consumption.

Item		Specifications
Model		CJ1W-PDC15
Applicable Controller		CJ/NJ Series
Unit classification		CJ-series Special I/O Unit
Mounting position		CPU Rack or Expansion Rack
Maximum number of Units		40 (within the allowable current consumption and power consumption range)
Unit numbers		00 to 95 (Cannot duplicate Special I/O Unit numbers.)
Areas for data exchange with CPU Unit	Special I/O Unit Area (Operation Data)	10 words/Unit Direct Current Input Unit to CPU Unit: All process values, process value alarms (LL, L, H, HH), rate-of-change values, rate-of-change alarms (L, H), disconnection alarms, cold junction sensor errors, adjustment period end/notice
	DM Area words allocated to Special I/O Units (Setting parameter)	100 words/Unit CPU Unit to Direct Current Input Unit: Input signal type, scaling of process value in industrial units, process value alarm setting (L, H), inrush input upper limit, inrush input upper limit time, zero/span adjustment value, Square root function. Temperature input signal type, input range (user set), scaling of process value data to be stored in allocated words in CIO area, rate-of-change input range, scaling of rate-of-change data, number of items for moving average, process value alarm setting (LL, L, H, HH), rate-of-change alarm setting (L, H), zero/span adjustment value
	Expansion Control/ Monitor Area (Expansion Operation Data)	35 words/Unit CPU Unit to Direct Current Input Unit: Bits for beginning or resetting the hold function selection, adjustment period control, control bits Direct Current Input Unit to CPU Unit: Adjustment period notices, peak and bottom values, top and valley values, integral values
	Expansion Setting Area (Expansion Setting parameter)	46 words/Unit CPU Unit to Direct Current Input Unit: Expansion Setting Area settings, adjustment period control, peak and bottom detection, top and valley detection, integral value calculation
Number of inputs		2
Input signal type		4 to 20 mA, 0 to 20 mA, 0 to 10 V, -10 to 10 V, 0 to 5 V, -5 to 5 V, 1 to 5 V, 0 to 1.25 V, -1.25 to 1.25 V (separate for each input), and ±10-V user-set range (specified range within -10.000 V to 10.000 V)
Scaling		Data to be stored in the allocated words in the CIO area must be scaled (Any minimum and maximum values can be set.) (2 inputs set separately.) Data can be converted at 0% to 100%.
Data storage in the CIO Area		The value derived from carrying out the following processing in order of the actual process data in the input range is stored in four digits hexadecimal (binary values) in the allocated words in the CIO Area. 1) Mean value processing → 2) Scaling → 3) Zero/span adjustment → 4) Square root calculation →  5) Output limits
Accuracy (25 ° C)		±0.05%
Temperature coefficient		±0.008%/°C
Resolution		1/64,000
Input signal range		For 4 to 20 mA, 0 to 20 mA, 0 to 10 V, 0 to 5 V, 1 to 5 V, 0 to 1.25 V inputs: -15 to 115% For -10 to 10 V, -5 to 5 V, -1.25 to 1.25 V inputs: -7.5 to 107.5%
Input impedance		For current inputs: 250 Ω (typical) For voltage inputs: 1 MΩ min.
Warmup time		10 min
Conversion period		10 ms/2 inputs
Maximum time to store data in CPU Unit		Conversion period + one CPU Unit cycle
Input error detection		Check only for 4 to 20 mA and 1 to 5 V. Error detected for -17.2% (1.25 mA, 0.3125 V) or less and 112.5% (22 mA, 5.5 V) or more.
Operation at input disconnection		For 4 to 20 mA and 1 to 5 V: Stores -15% process value. For all other ranges: Stores same process value as 0-V or 0-mA inputs.
Input disconnection detection delay time		Approx. 1 s.
Function	Mean value  processing (input filter)	Calculates the moving average for the past specified number of process values (1 to 128 can be specified), and stores that value in the CIO Area as the process value.
	Process value alarm	Process value 4-point alarm (LL, L H, HH), hysteresis, and ON-delay timer (0 to 60 s) are available.
	Rate-of-change calculation	Calculates the amount of change per comparison time interval (1 to 16 s).
	Rate-of-change alarm	Rate-of-change 2-point alarm (H, L), alarm hysteresis, and ON-delay timer (0 to 60 s are available, shared with process value alarm).
	Square root calculation	When the maximum value for process value scaling is A and the minimum value is B, Drop-out: Output approx. 7% max. linear (output = input) characteristic Note 1. The square root function can only be used when the maximum scaling value is greater than the minimum scaling value. The square root will not be found if the maximum is smaller than the minimum. Note 2. When the square root function is used, set the scaling values after square root calculation (e.g., for flow rates or other values) for the process value scaling A and B settings.
	Adjustment period control	When zero/span adjustment is executed, the date is internally recorded at the Unit. When the preset zero/span adjustment period and the notice of days remaining set in the Expansion Setting Area have elapsed, this function turns ON a warning flag to give notice that it is time for readjustment.
	Peak and bottom detection	Detects the maximum (peak) and minimum (bottom) analog input values, from when the Hold Start Bit (output) allocated to the Expansion Control/Monitor Area turns ON until it turns OFF. These values are stored as the peak and bottom values in the Expansion Control/Monitor Area.
	Top and valley detection	This function detects the top and valley values for analog inputs, from when the Hold Start Bit (output) allocated to the Expansion Control/Monitor Area turns ON until it turns OFF. These values are stored as the top and valley values in the Expansion Control/Monitor Area.
	Integral value calculation	This function calculates the analog input value's time integral. The integral value is calculated and output to the Expansion Control/Monitor Area when the Integral Value Calculation Start Bit in the Expansion Control/Monitor Area is turned ON.
Isolation		Between inputs and between inputs and Controller signals: Isolation by transformer and photocoupler.
Insulation resistance		20 MΩ (at 500 V DC) between all inputs
Dielectric strength		Between inputs: 1,000 V AC, at 50/60 Hz, for 1 min, leakage current 10 mA max.
External connections		Terminal block (detachable)
Unit number settings		Set by rotary switches on front panel, from 0 to 95.
Indicators		Four LED indicators on front panel (for normal operation, errors detected at the Direct Current Input Unit, and errors detected at the CPU Unit).
Front panel connector		Sensor input connector terminal block (detachable)
Current consumption		5 V DC at 180 mA max.
External power supply		24 V DC +10%/-15% 90 mA max., inrush current: 20 A for 1 ms max. (The external 24-VDC power supply must be isolated.)
Dimensions		31 × 130 × 65 mm (W × H × D)
Weight		150 g max.
Standard accessories		Short bars (for current input)