nmccarvill (Customer) asked a question.

August 15, 2023 at 12:27 PM
Very new to PLC wiring. I have a relay allowing for a light to be powered through two circuit. I am using a Click C0-08TD2 Output block to send the signal to the relay. Need to figure out how to send 24v to the relay when signal is on.

Currently when the light for Y201 comes on it does not send 24v. The V terminals and Common have been supplied with 24v from a terminal block located elsewhere. I believe I have the relay hooked up correctly. Just need to figure out how to have the "signal wire" that is shown as on with the indicator light on the Click output block be powered with 24v DC. Pictures below show the Click module and the relay I am using. CaptureCapture1

  • 3 answers
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  • Slad (Customer)

    Try sending 0 volt to common instead of 24 V.

    Selected as Best

  • Slad (Customer)

    Try sending 0 volt to common instead of 24 V.

    Selected as Best

  • nmccarvill (Customer)

    This seems like it has potential to work. Currently going through a new issue now which does not allow for me to test this. Thank you for the quick answer.

  • kewakl (Customer)

    The C0-08TD2 is a sourcing ('transistor') module -- it must output the high side of the power supply.

    Connect the power supply +v to one (or both) of the C0-08TD2 Vn terminals.

    Connect the power supply 0v/-v to the C terminal on the C0-08TD2

     

    Connect the relay coil A2 terminal to the power supply 0v/-v terminal.

    Connect the relay coil A1 terminal to one of the C0-08TD2 output terminals associated to the Vn terminal you connected to the power supply.

     

    Refer to the image of the C0-08TD2 that you posted.

    Your relay coil is one of the 'load' (rectangles) in this image.

    Connect the relay A1 to the output terminal. Connect the relay A2 terminal to the power supply -v.

     

    Do not forget to connect the power supply 0v/-v to the C terminal on the C0-08TD2

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