Dennis Ritch Posted February 24, 2011 Report Share Posted February 24, 2011 I have an issue where I am trying to use the Visilogic to program to 10 remote PLCs. The PC is using Com 1 port. I am using a 232 to 485 converter out of the port. I have all of the Unitronics PLCs set to addresses 64 to 74. I can use Citect and KepServer and other Modbus drivers to talk to the PLCs NO PROBLEM. These seem to work fine. I cannot however get the Unitronics software that is installed on the same PC to communicate to any of these PLCs. Any ideas. Unitronics says it will work. Thanks DLR Quote Link to comment Share on other sites More sharing options...
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