Omron CJ2 manual Process I/O Units, Isolated-type Units with Universal Inputs

Ordering Information

Special I/O Units and CPU Bus Units

■■Process I/O Units

●●Isolated-type Units with Universal Inputs

Unit classification	Product
	name

Process Input Units (Isolated- type

CJ Units Special with

I/O Universal

Units Inputs)

							Current
				Accuracy		No. of	consumption
	Signal		Conversion					(A)
Input				(at ambient	External	unit
points	range	Signal range	speed	temperature of	connection	numbers				Model	Standards
	selection		(resolution)				5 V		24 V
				25°C)		allocated
		Universal inputs:
		Pt100 (3-wire),	Resolution
		JPt100 (3-wire),	(conversion
		Pt1000 (3-wire),	speed):
		Pt100 (4-wire), K,	1/256,000
		J, T, E, L, U, N, R,	(conversion
	Set	S, B, WRe5-26, PL	cycle: 60 ms/
		II, 4 to 20 mA, 0 to	4 inputs)	Standard
4	separately
		20 mA, 1 to 5 V,	1/64,000	accuracy: ±0.05%			0.30		—	CJ1W-PH41U	UCI, CE
inputs	for each
		0 to 1.25 V, 0 to 5	(conversion	of F.S.
	input
		V, 0 to 10 V, ±100	cycle: 10 ms/
		mV selectable	4 inputs)
		range −1.25 to	1/16,000
		1.25 V, −5 to 5 V,	(conversion
		−10 to 10 V, ±10 V	cycle: 5 ms/
		selectable range,	4 inputs)
		potentiometer			Removable
				Accuracy:	terminal	1
				Platinum	block
				resistance
				thermometer
				input: (±0.3% of
		Universal inputs:		PV or ±0.8°C,
		Pt100, JPt100,		whichever is
	Set	Pt1000, K, J, T,	Conversion	larger) ±1 digit
4	separately	L. R, S, B, 4 to	speed:	max.			.032		—	CJ1W-AD04U	UCI, CE
inputs	for each	20 mA,	250 ms/	Thermocouple
	input	0 to 20 mA, 1 to	4 inputs	input: ±0.3% of
		5 V, 0 to 5 V, 0 to		PV or ±1.5°C,
		10 V		whichever is
				larger) ±1 digit
				max. (See note.)
				Voltage or current
				input: ±0.3% of
				F.S. ±1 digit max.

Note: L and −100°C or less for K and T are ±2°C±1 digit max., and 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.

●●Isolated-type Thermocouple Input Units

Unit classification	Product
	name
	Process
	Input
	Units
	(Isolated-
	type
CJ	Thermo-
Special	couple
I/O	Input
Units	Units)

							Current
				Accuracy		No. of	consumption
	Signal		Conversion					(A)
Input				(at ambient	External	unit
	range	Signal range	speed							Model	Standards
points				temperature	connection	numbers
	selection		(resolution)				5 V		24 V
				of 25°C)		allocated
2		Thermocouple:	Conversion	Standard
inputs		B, E, J, K, L, N, R,	speed:	accuracy:					0.06
		S, T, U, WRe5-26,	10 ms/	±0.05% of F.S.			0.18		(See	CJ1W-PTS15
		PLII	2 inputs,	(See note 1.)					note
		DC voltage:	Resolution:						2.)
	Set	±100 mV	1/64,000		Removable
4	separately	Thermocouple:	Conversion	Accuracy:
					terminal	1					UC1, CE
	for each
inputs		R, S, K, J, T, L, B	speed:	(±0.3% of PV or
					block
	input
			250 ms/	±1°C,
			4 inputs	whichever			0.25		—	CJ1W-PTS51
				is larger) ±1
				digit max.
				(See note 3.)

Note 1. The accuracy depends on the sensors used and the measurement temperatures. For details, refer to the user’s manual.

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

3.L and −100°C or less for K and T are ±2°C±1 digit max., and 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.

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