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Messages - JRM

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Ok that makes sense but I am not fully sure what PC ground is are you sure I should connect it to that and not just to the system ground? I saw someone else do a similar conversion but with a different breakout board and they just grounded it to the machines back panel. The four wires are for the interface cable that does step and direction there is a separate power connector.

2
I have a LabVolt 5600 which I am retrofitting I am trying to figure out how to connect the D&M Computing Chopper Driver.

There are four wires coming off the driver they are:

A yellow wire goes to a terminal on the driver labelled "D"
A grey wire goes to a terminal on the driver labelled "C"
A black wire goes to a terminal on the driver labelled "-"
A red wire with is goes to a terminal on the driver "+"

+ is 5VDC I am not sure how to connect the - wire should I connect that to the machine ground? I Think PCground wont be connected on this machine to anything since I am using a UC400ETH to connect to the pc. I think - might be the neutral side of a 5V circuit.



3
I am trying to connect a kblc-240 and the PMDX-ContactorMD20-120 is the diagram I made below correct?



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