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Author Topic: What would cause my limit switches to trip?  (Read 9766 times)

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Re: What would cause my limit switches to trip?
« Reply #20 on: December 24, 2012, 01:26:02 PM »
Is the BOB in a metal box? A simple one could be enough ti ground the board.
No, it's not in a box, but it is inside a metal cabinet along with the 3 servo drive boards, and 12v power supply.
Re: What would cause my limit switches to trip?
« Reply #21 on: December 24, 2012, 04:37:04 PM »
Did you ever try the caps on the limit switch inputs to your BOB?

Merry Christmas All,
John Champlain
www.picengrave.com
Re: What would cause my limit switches to trip?
« Reply #22 on: December 24, 2012, 10:27:31 PM »
The BOB grounds through the PC via the shield on the parallel cable.  Did you ground the PC chassis or try soldering a ground to the DB25 shield?

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Re: What would cause my limit switches to trip?
« Reply #23 on: December 25, 2012, 06:29:39 PM »
Is the cabinet grounded?