Hey,

I have been trying for hours to understand how the probe button works in MACH3. I have a very simple probe script that I found online and I understand most of how it is working and it works on my machine.
For the life of me though I can't figure out how it knows that the probe pin is to be used?
I have a touch-off tool that I would like to hook to a different pin, but I need to understand how these buttons work before I can make a button for it.
Can someone possibly explain where this script gets it's info to use the probe pin and not some other pin?

Thanks for any advice on this!
Regards,
Jeremy

FeedCurrent = GetOemDRO(818) 'Get the current settings, OEM DROs (818)=Feedrate DRO
ZCurrent = GetOemDro(802) 'OEM DROs (802)=Z DRO
GageH = 20.12 'OEMDRO(1001)=Gage Block Height
ZNew = ZCurrent - 300 'probe down 20 mm

Code "G90F100" 'slow feed rate to 100 MM/MIN
Rem Code "G4 P1" 'Pause 1 second to give time to position probe plate
Code "G31 Z" &ZNew
While IsMoving()
Sleep(10)
Wend
Call SetDro (2,GageH) 'DRO(2)=Z DRO

FinalMove = GageH + 10
Code "G0 Z" &FinalMove
Code "F" &FeedCurrent 'restore starting feed rate