Relays

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Thread: Relays

  1. #1
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    Default Relays

    What is the best way to connect a relay to power a air solenoid with a external 12v power supply.

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  2. #2
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    Default Re: Relays

    What machine do you have? If you have a CNC machine with Mach 3 and Gecko drive, Gecko has outputs for control of external devices. Some of the newer machines like Mill Turn have pre-wired plugs for those functions.



  3. #3
    Community Moderator Al_The_Man's Avatar
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    Default Re: Relays

    Remember to connect a BEMF diode across the relay coil, there are fast versions of the previously popular 1n4002/7 now, it is the UF4002/7.
    I use the 4007 version as this covers all voltage ranges.
    What is driving the relay?
    Al.

    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.


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