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  1. #19
    Quote Originally Posted by JAZZCNC View Post



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    I was just looking at this diagram in post #52. I have always done latching circuits using the +ve as the latch loop and it took me a second to realise why Jazz does it this way, as between the Estop switch and the relay you have a point to signal Estop back to the motion controller. Thanks Jazz for this fresh insight. I suppose that this is more towards the way a PNOZ safety relay works.

    I have a latching circuit that pulls in a 100A contactor to switch workshop power. It means I can have Stop buttons where I want them and a Go/Stop box at the workshop door. When I leave at night I can shut off everything in one go.

    Rob
    Last edited by cropwell; 12-12-2015 at 12:31 PM.

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