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Topics - snaggletto

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General Mach Discussion / Mach 3/4 and modbus PLC
« on: May 31, 2006, 05:59:17 PM »
   I'm trying to get a modbus connection between my PLC (DL205 w/ D2-250 CPU) and Mach4.  I've got a cable made and it's tested good.  I've got the PLC's port 2 setup for modbus.  In the Mach modbus configuration I keep getting "timeout" responses from the PLC. 

   Art mentioned having to have a special program running on the PLC to setup modbus addresses for IO points.  I need help, I'm so out of ideas...  Thanks.

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