Control Unit

CU series

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Model

CU-21TA

CU-21A

Type

Multi-functional

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

0.5 ms *1

5 ms *4

Input system

Transistor (via NPN output device), contact (via limit switch/microswitch, etc.)

Controloutput

Relay output: 1c, 250 VAC, 2 A (resistive load)
maximum NPN open-collector output: 100 mA (40 V or less)

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

Timer

ON-delay, OFF-delay, One-shot, timer OFF (selectable), 0 .05 to 1 s/0.5 to 10 s (selectable)

Function

Input signal inversion, edge sync. / level sync. selectable, AND logic

AND logic

Operation mode

Timer, standard, synchronous

Standard, synchronous

Control output

Relay contact

250 VAC 2A SPDT (1c) (resistive load)

Transistor

NPN: 100 mA (40 VDC) max. *2*3

*3

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

Operating ambient temperature

-10 to +50°C (no freezing)

Operating ambient humidity

35 to 85% RH (No condensation)

Accessories

Plastic screwdriver

Weight

Approx 120 g

Approx 105 g

*1 Required off time: 1.5 ms minimum.
*2 With overcurrent protective circuit.
*3 NPN output can easily be converted to PNP output by connecting the optional OP-5148 PNP output converter.
*4 Required off time: 15 ms minimum.

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