On the Diagnostic's screen, the Emergency LED continuously flashed. When I clicked the Reset button in Mach 3, the G540 status LED flashed Red -> Green -> Red. In Mach 3 Config -> Ports and Pins -> Input Signals -> E-Stop, Enabled (Green chk mark), Port 1, Pin 15, Active Low NOT checked (Red X), Emulated NOT checked (Red X). I connected a N/C switch between Main Terminal Block Position 10 (Disable) and Position 12 (Gnd). I am using the same cable now as I did with the break-out board.
If the G540 sends a signal to pin 15 is it high or low. It worked fine before when I had a break-out board for the e-stop but I wanted to get rid of the extra wiring and break-out board and wire it thru the G540 and now it does not shut down Mach3. Make sure your parallel port is working and your parallel cable is "straight thru"ĬRThe G540 works fine and shuts down fine with the e-stop, it just does not tell Mach3 the e-stop has been tripped and the program keeps running. While disabled, the motors freewheel (zero torque) and the OUTPUT The G540 and closing the switch enables it. The other end of the switch goes to Pos 12 on the terminal block. 7) E-STOP SWITCH: Connect a single pole, single throw (SPST) switch to the DISABLE input Pos 10 on the MAIN
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