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Discussion in 'General Electronics Discussion' started by john r, Apr 6, 2011.

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  1. john r

    john r

    1
    0
    Apr 6, 2011
    Hi All

    I have just bought this timer to control a small 12v pump

    I can attach a fused supply to the terminal as indicated but what are the other terminals for ie where do I attach the negative for example, any help would be appreciated

    Thanks

    John
     

    Attached Files:

  2. Resqueline

    Resqueline

    2,848
    2
    Jul 31, 2009
    0V = "negative", "GND", or Common power supply (not to be confused with a real negative supply as in dual supplies)
    +V = Positive power supply

    NO = Normally Open relay contact (connect to pump - if it's to run only intermittently)
    C = Common relay contact (connect to +12V)
    NC = Normally Closed relay contact (not used here, unless pump is to run most of the time)
     
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