Parallel Port with calssic ladder will not work!

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19 Apr 2011 18:32 #9106 by sgsracing
I have ubuntu 10.04 working with EMC 2.4.3 and I have a computer with a parallel port integrated with the motherboard. I have the Parallel Port connected to a relay board, which works fine and has been tested several times. I can build a ladder logic program in Classic ladder and I can see all the correct outputs work on the screen but cannot get them to work on my Parallel port. When I load example ".stepconf" files different pins turn on depending which file I open and I can find what is driving these outputs??? I also cannot confirm my Parallel Port address. It is left at default 0x378 at setup.

I am not a super-genius when it comes to Linux but I have been windows free for over a year now and Im not going back, I can make all this work on Windows based software, and I really want to make this go on EMC2 any help is much appreciated!!

Thanks for your time!

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19 Apr 2011 18:53 #9111 by BigJohnT
What code did you use to connect your classicladder output pin to your parallel port out pin?

Something like:

net oil-pump classicladder.0.out-00 => paraport.0.9.out

John

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19 Apr 2011 19:06 #9114 by sgsracing
woa.... Perhaps I missed a step. I didnt know I had to do that! How do I do this?

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19 Apr 2011 19:21 #9118 by BigJohnT
Have you cruised by the Classicladder Examples chapter in the Integrators Manual?

www.linuxcnc.org/docview/html/ladder_ladder_examples.html

John

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