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Showing results for tags 'cj2m cp1w-cif02 no-protocol rs232'.

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  1. Im trying to control a baldor VFD trough modbus RTU with cp1h/cp1wcif12 using the solution posted here which for me works really fine but the problem comes when I turn on the motor (500hp 440v), the cable gets induced and adds noise to the communication causing errors when reading. I already try to use shielded cable and it gets better but still causing errors. In the solution posted in the link above shows how to connect the cp1w-cif12 by connecting only SDA- and SDB+. So my question is, should I connect FG to the VFD rs-485 ground as well to reduce that noise? Any suggestions are welcome
  2. Version

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    W344-E1-14 describes the use of CX Protocol to create custom Protocol Macro sequences for CS/CJ ,Alpha and CQM1H PLCs.