mb2hal communication pin

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FedX
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29 Nov 2019 18:46 #151515 by FedX

mb2hal communication pin was created by FedX

Hello all,

I have just set set up my VFD with mb2hal. I would like to see if the communication is ok and display the status via a LED in my gui. But I can't find any pin for this.. there's a debug option 10- comm_time_out, I've set it up but I can't see it in my Hal pins..
Has anybody done a com Ok pin yet?

Best regards

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andypugh
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02 Dec 2019 14:47 #151752 by andypugh

Replied by andypugh on topic mb2hal communication pin

There seems to be a ....num_errors pin, does that help?

You could use a ddt to turn on a warning LED any time that that number increased.

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FedX
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03 Dec 2019 06:29 #151818 by FedX

Replied by FedX on topic mb2hal communication pin

Yes i also found the num_errors pin. I dindt knew the ddt function i think that could work, thank you !

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FedX
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03 Dec 2019 19:38 #151894 by FedX

Replied by FedX on topic mb2hal communication pin

Ok it was much easier than I expected. num_errors counts up when Modbus communication times out and resets to 0 when the connection is up again. So I just used comp.equal to 0 and connected it to a LED in my gui

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