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Author Topic: ESS and G540 VFD Problem  (Read 1923 times)

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ESS and G540 VFD Problem
« on: October 16, 2013, 04:43:31 PM »
I just put together a system with the ESS and a G540. Everything but the VFD signals  works as it should. ( I don't have a VFD connected but did put a 9V battery between the G540 +10  terminal 9 and VFD GND terminal 7. My VOM is connected between terminal 8 VFD output and Terminal 7.  The VFD analog output works fine when I use the parallel port. When I use the ESS I get no output on terminal 8 of the G540 (VFD Out)and GND  . I have checked the mach3 config file and can't find anything wrong. I also checked the cable between the ESS port 1 pin 14 and the DB25 port 14 and get continuity. Any suggestions?
 Dan