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Author Topic: No response from limit switches  (Read 14796 times)

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Offline Hood

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Re: No response from limit switches
« Reply #30 on: April 26, 2013, 01:28:36 PM »
That is very strange indeed.
Can you please attach the xml as it is now and I will see if I can find the problem.
Hood
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Offline Tony Woollacott

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Re: No response from limit switches
« Reply #31 on: April 26, 2013, 02:29:57 PM »
Ok, this is it.
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Offline Hood

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Re: No response from limit switches
« Reply #32 on: April 26, 2013, 05:21:29 PM »
Well it works fine here when I simulate things so I cant understand what is wrong for you.

Looking at your xml it would seem you have Normally Open switches and they are in parallel, is that correct?
Hood
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Offline Tony Woollacott

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Re: No response from limit switches
« Reply #33 on: April 26, 2013, 05:50:03 PM »
They were, but they are now nc and daisy chained.
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Offline Hood

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Re: No response from limit switches
« Reply #34 on: April 26, 2013, 05:54:55 PM »
Something strange there then, I would expect them to be active High.
What is your limit switch? NC or NO?
Hood
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Offline Tony Woollacott

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Re: No response from limit switches
« Reply #35 on: April 26, 2013, 06:08:16 PM »
either, it depends how they are wired.
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Offline Hood

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Re: No response from limit switches
« Reply #36 on: April 26, 2013, 06:09:58 PM »
Sorry meant E-Stop, not Limits ;D

Hood
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Offline Tony Woollacott

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Re: No response from limit switches
« Reply #37 on: April 26, 2013, 06:15:21 PM »
Honestly don't know, I would have to go and check. Too late now as I need to run an extension lead down to the garage for light etc. I will only be able to get back to it on Sunday.
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Offline Hood

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Re: No response from limit switches
« Reply #38 on: April 26, 2013, 06:17:32 PM »
Ok no probs, just you have that active High so I would expect it to be normally closed. However if that is the case then your limits should also be active high unless that BOB does funny things to the signals :D
Hood
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Offline Tony Woollacott

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Re: No response from limit switches
« Reply #39 on: April 26, 2013, 06:18:46 PM »
I will let you know asap. Thanks for all your time.
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