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21-04-2010 #1
Ive finally set up my machine and ill is running ok apart from the pesky limit switches. ive wired them up in a continuos loop for x+- y +- and z+ but for some odd reason as soon as a enable my servo drives mach flashes up limit switch has been triggered.
the only thing i can think of what is doing this is electrical interference of some sort. but im unsure how to cure it.
How i have me setup is like this.. PC - Smoothstepper - C10 BOB - Drives, now if i wire the drives direct to the smoothstepper board with the C23 terminal board for some reason i cannot get my switches to work with mach3.
I enable the drive by a separate 12v supply on a independent switch so it has no physical contact with the C10 BOB.
The servo drives do generate a fair bit of electrical squeal when run is enabled. so my thoughts are interference of some sort.
Anyone have any other thoughts?
Cheers
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