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This Compact Serial Network Option module for the Compact has two switch-selectable RS-232/RS-485 serial ports. Program the PLC from either serial port, add Modbus serial ports for your RTU application or use it as a protocol converter or data concentrator.
This device adds serial ports to the Compact PLC; it acts as a data concentrator, network host adapter, protocol converter, serial-host adapter; CAPP Product, Compact Option Module technology, Modbus (RTU or ASCII, Master or Slave).
See attached spec. sheet.
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