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Last Post 12/20/2010 12:10 PM by  Tony Hodges
PNP OR NPN
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Anthony Rutland
New Member
New Member
Posts:1


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12/17/2010 5:08 PM
    I have a Automation Direct PLC Do-06DR. DC inputs sinking or sourcing.

    I am switching 0VDC to the inputs and the +24VDC is connected to the input commons. I belive this means the inputs are sourcing.

    Which CR9321 current switch would I use? How would it turn on with only 0VDC at its input and the other wire going to the plc input?
    Tony Hodges
    CRM Staff
    Basic Member
    Basic Member
    Posts:154


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    12/20/2010 12:10 PM
    Dear Sir,

    Thank you for your interest in our product lines. The NPN output pulls the input low. You will need our CR9321-NPN for your application.
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