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  1. 25-03-2015 #11
    JAZZCNC's Avatar
    Lives in wakefield, United Kingdom.
    JAZZCNC
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    Quote Originally Posted by njhussey View Post
    That's the only thing I'm clear on Dean, what I'm struggling to get my head round is which terminals look at which relays. I'm not going to be switching AC now I don't think as I've got a 230V contactor with 24v DC coil coming (3 NO & 1 NC contact) so will switch the AC through there...
    Easy neil.

    13 & 14 NO Contact
    23 & 24 NO
    33 & 34 NO
    41 & 42 NC

    If you want Short circuit across contacts detection then use Dual channel E-stop which means 2 x terminals on each E-stop connected as below.
    Contact #1 between S21 & S22
    Contact #2 between S31 & S32
    Then jump wire between S11 & S12

    Reset button Between S13 & S14
    Last edited by JAZZCNC; 25-03-2015 at 09:23 PM.
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