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  1. 06-09-2014 #28
    JAZZCNC's Avatar
    Lives in wakefield, United Kingdom.
    JAZZCNC
    Last Activity: 19-01-2024 Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 8,446. Received thanks 1,445 times, giving thanks to others 109 times.
    Not sure if the PMDX is common gnd (Edit: Looks like it is) or if the 5V Gnd is isolated from the inputs.? If common gnd it will use the 5V supply Gnd as it's potential ref so won't need jumpers. If not then you will need you to connect the Input Gnd's to 5v supply Gnd's. In either case won't hurt to daisy chain if unsure.
    Same if you use external 5V or 12V you will need to reference Inputs to that supply's Gnd.
    Last edited by JAZZCNC; 06-09-2014 at 05:41 PM.
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