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Author Topic: optical switch opb917bz mach lathe index  (Read 7549 times)

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Re: optical switch opb917bz mach lathe index
« Reply #20 on: July 18, 2013, 06:30:28 PM »
not without taking off the db25 cable.
estop works but the switch does not in the same pin.

Offline Hood

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Re: optical switch opb917bz mach lathe index
« Reply #21 on: July 18, 2013, 06:38:45 PM »
I am sorry I dont know why it worked before but not now but seems like the BOB is not passing the signal, it seems to be pulling the voltage down.
If the PP cable had a screwed cover you could connect direct to a pin on it but if its a molded cover then only way would be to chop into the cable.
Atill why it used to work and now doesnt is a mystery.
Hood
Re: optical switch opb917bz mach lathe index
« Reply #22 on: July 18, 2013, 06:48:07 PM »
I found my old db25 pass through breakout board and it still does not work.
Re: optical switch opb917bz mach lathe index
« Reply #23 on: July 18, 2013, 06:55:28 PM »
the blue wire read .05v when hooked up to the db25 breakout board?
this might be the dumbest thing I have ever run across.

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Re: optical switch opb917bz mach lathe index
« Reply #24 on: July 18, 2013, 07:07:58 PM »
What does the 5v supply read when you have the opto connected? ie between the 5V and Gnd, both when switch is open and blocked.
Hood
Re: optical switch opb917bz mach lathe index
« Reply #25 on: July 18, 2013, 07:08:22 PM »
well, I got it!
I hooked up my pass through break out board up to the second parallel port and now the stupid ass thing works like it should.
why the first port sucks is a mystery to me.
I might put my other couple inputs on the secod board for the hell of it too.

thanks for the help!!!!!!!!!!!!

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Re: optical switch opb917bz mach lathe index
« Reply #26 on: July 18, 2013, 07:10:19 PM »
Good you have progress :)
Hood
Re: optical switch opb917bz mach lathe index
« Reply #27 on: July 18, 2013, 07:36:00 PM »
2 days lost to this.....