mesa 5i25 output driving gecko g540 output

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24 May 2021 01:28 #209969 by ericg
Hi, haven't been on for a while, as I have only been using my cnc machine occasionally, but I have recently wanted to add some laser cross hairs for aligning the xy position more easily. I have been following some old videos by swolebo to assist but am stuck at step 1.
I have a mesa 5i25 card connected to a gecko g540 driver, I want to use the gecko output 2 to drive the crosshairs on/off, this output is connected to the mesa board db25 via pin 1.
mesa io0 is the output to control this pin so my code is...
setp hm2_5i25.0.gpio.000.is_output true
net laser motion.digital-out-00 => hm2_5i25.0.gpio.000.out

so using mdi g64 p0 does turn motion.digital-out-00 true and g65p0 turns it false but nothing happens to the g540 output 2,
not sure if it's a software or hardware issue as I cannot physically get to the db25 pin1 to test it

any help as always is greatly appreciated

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24 May 2021 01:57 #209975 by PCW
You could check the 5I25 pin 1 output when disconnected from the G540

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24 May 2021 04:04 #209991 by ericg
Thanks for the quick reply PCW, I went to try that, forgetting that when I unplug the cable I open the estop line so no power to run the commands, BUT.... as I was doing this I heard the relay I had connected to the gecko output click on and off as I moved the cable, sure enough I have a faulty db25 cable, just my luck the only pin damaged is the one I needed - Murphy strikes again.
all good now with replacement cable
onto my next general question in another section
regards... Eric

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22 Jun 2021 08:59 #212656 by slese
Hi Eric.
Having a hard time getting my Mesa 5125 and g540 configured. Any chance of posting your config files so i can try and follow them.
Regards.

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06 Sep 2021 04:04 #219716 by ericg
apologies slese, I missed this request, I hope you have things sorted now, but here are my files anyway
Eric
Attachments:

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06 Sep 2021 11:24 #219752 by slese
Awesome. Will have another go. Thank you so much

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06 Sep 2021 23:12 #219802 by ericg
happy to help, if you more info , I would be happy to assist as much as I can remembering I'm a bit of a full time novice at this. The people on this forum are also fabulous and very patient, I know because they have put up with me a lot
regards
Eric
The following user(s) said Thank You: slese

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19 Sep 2021 10:34 #221075 by slese
Have not for gotten your generous offer of help. CNC has taken a back seat for the moment. Work is demanding during these Covid times.
Reading your scripts i think i can see where i may have um gone wrong...

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19 Sep 2021 12:01 #221080 by ericg
no problem, when you need help, just ask, I owe this forum big time so if I can give back, I'm happy to do so.
Eric

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