Control Unit

CU series

This model has been discontinued.
Compliance with the certification standard is ensured as of the time of shipment from our company.

Main Unit, Standard Type CU-21A

CU-21A - Main Unit, Standard Type

*Please note that accessories depicted in the image are for illustrative purposes only and may not be included with the product.

Specifications

Model		CU-21A
Type		Standard
External calibration input signal	Connection sensor	NPN open-collector output type or type with output with contacts (signal input and synchronization input)
Input	No. of inputs	2
	Minimum input time	5 ms ^*1
	Input system	Transistor (via NPN output device), contact (via limit switch/microswitch, etc.)
Controloutput		Relay output: 1c, 250 VAC, 2 A (resistive load)
Timer		―
Function		AND logic
Operation mode		Standard, synchronous
Control output	Relay contact	250 VAC 2A SPDT (1c) (resistive load)
	Transistor	―^*2
DC output		12 VDC ±10%, 200 mA max.
Rating	Power voltage	100 to 240 VAC ±10 %, 50/60 Hz
	Power consumption	7 VA max.
Environmental resistance	Ambient temperature	-10 to +50 °C (No freezing)
	Relative humidity	35 to 85 % RH (No condensation)
Weight		Approx. 105 g
^1 Required off time: 15 ms minimum. ^2 NPN output can easily be converted to PNP output by connecting the optional OP-5148 PNP output converter.