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Modbus - Wago PLC 750-842 - Please Help!

  • Anonymous - 2005-10-13

    Originally created by: mpcontrols

    I have an application with 4 Yaskawa V7 Drives that have to communicate via Modbus (Wago Serial Interface Module, RS485) to the PLC. Also, a Red Lion Interface to communicate to the PLC via Ethernet with options of Modbus (Master or Slave). I don't have any experience with Modbus and need help desperately. Does anyone have documented sample files of CoDeSys for my application that will help me understand how all of this works? I have the hardware and a single Drive in-house for testing. Thanks in advance for any assistance.

  • Martin.Paulick

    Martin.Paulick - 2005-10-18

    Please have a look the the WAGO application notes on

    http://www.wago.com/wagoweb/documentati ... w____e.htm

    Select the "Total overview" and search with Ctrl-F to "modbus".

    You will find several application samples how to connect Modbus devices.


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