Installing a new PCI ParaPort in linux?
My initial problem was random limit errors in the middle of a program it would say a limit switch was active. The guys at CNCzone said it may be the ParaPort.
With the exception of a few people from here who occassionally moonlight on CNCZone, most there know nothing about Linuxcnc.
It could be a lot of things, but by far the most likely is 'noise' on the limits wiring.
It does not take much to induce enough voltage into a 3.3v TTL circuit to trigger a false reading
It is quite a common problem, which can be cured by screening and earthing the wires, using the debounce component or increasing the voltage on that circuit so that it becomes noise immune.
I would suggest that you put your stuff back together again and if the only problem is the random limit activation, come back for directions on using debounce to start with.
regards
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Well im completely stuck, havent made and progress. Thinking about installing windows and finding software that will work instead.
Wire your new BOB in place of your old one, on the old port, does that work?
So we are right back where we started, until you test a 'good' new BOB on the old port and go from there, it is all speculation.
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Thanks for trying to help me get through this mess.
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- Todd Zuercher
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It shouldn't be overly difficult, just a little tedious. Don't be afraid to ask for help or suggestions.
Doing this will help familiarize you with what is going on with your machine. It will also give you a better idea if there any changes that should be made.
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- Todd Zuercher
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As in much of life, neatness does count.
Hate to imagine what it could have looked like with servos on top of it.
You have my sympathy.
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