NC height probe with NO touchplate in QTDragon?

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1 year 8 months ago #320801 by baikal718
I can't seem to find a whole lot of info on this. As far as I've learned both probes need to be connected to the same input on a Mesa card, but of course that wouldn't work with my NC tool height probe. Is there a possibility to wire a touchplate to a different input? I cant find a good price for a NO height probe and I've already sunk a good deal of money into modifying our router, I'm worried my manager is going to start asking questions soon. I was thinking maybe invert one of the probes with a relay, but I'd rather not involve another component that may fail eventually.

I was also trying to use the height probe as a touch plate just to test it out, but the probing operation kept failing.
Running the latest build freshly installed with a Mesa 7I96 (PWM firmware)

Thanks in advance

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1 year 8 months ago #320807 by cmorley
If you have two inputs on the Mesa card, connect a probe to each, then in the HAL file connect those two signals with an OR component. The output of the OR would then be connected to linuxcnc's probe input.

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1 year 8 months ago #320857 by baikal718
That did it!
Thank you.

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