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Control UnitCU series

Main Unit, Standard Type

CU-21A

SPECIFICATIONS

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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.)

Control output

Relay output: 1c, 250 VAC, 2 A (resistive load)

Timer

Functions

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 14 to 122 °F (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.

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