CMS-700 SYSTEM CIRCUIT MONITORING SYSTEM (CMS)39—WEB UI - Settings Menu—Settings Menu – Communication / ModbusThis section allows to have access to both Modbus TCP and RTU settings.Modbus TCPIt is possible to enable or disable the corresponding communication protocol and tochange the TCP port.Modbus RTUModbus ID, baud rate and parity fields can be configured here.Due to cyber security, port numbers < 1025 are not allowed. Ports 8000 and7999 are instead reserved for web service.

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ABB CMS-700 User Manual