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Thread: Xylotex & limit/home switches
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30th July 2008, 10:15 PM #1
Xylotex & limit/home switches
For those that have used the Xylotex drive board, is it preferable to have a seperate BOB to add limit/home switches?
Is one like this ok? http://www.cnc4pc.com/Store/osc/prod...81978b269f1ccc
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30th July 2008, 11:10 PM #2SENIOR MEMBER
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It is certainly easier to hook up switches with a BOB like that. And that is a good economical BOB.
One small problem is that neither that BOB or the Xylotex will easily pass the LPT cable connection on the the other.
Another way to do it would be get that BOB and a PCI Printer Port card. They can be had for about $20. Two LPTs. One for The BOB and the other for the Xylotex.
Then with the LPT connected to the BOB you can set pins 2 to 9 as inputs. Giving you a total of 13 inputs on the BOB. Plenty for all the switches, probes, estop and anything else you want.
LPT card $20 and BOB $26 US plus post. Still an economical way to do it.
Greg
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30th July 2008, 11:48 PM #3SENIOR MEMBER
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Another way to use that BOB and the Xylotex on one port is to make up a piggy back cable.
The parts pictured would cost less than $10
Cable would start at the DB25 female connector panel mount as normal. Then go to the BOB with the male DB25 IDC connector. Continue on to the Xylotex with the IDC header.
Motor drive outputs used by the Xylotex would be left alone on the BOB. All the other could be used via BOB.
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31st July 2008, 08:08 PM #4
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