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          Control UnitCU series

          CU-21A

          Main Unit, Standard Type

          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.)

          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.

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