CEIWEI Software - Professional Serial Port Monitor
Tutorials

CommMonitor - Modbus View Function and Properties

2026-05-17

CommMonitor Modbus View Functions and Features

 

        1. The Modbus View is primarily designed to analyze serial port monitored data using the Modbus protocol, breaking down Modbus data packets. It supports both RTU and ASCII modes.

          Related options can be configured.


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        2. Column Descriptions:

             ID: Modbus protocol header ID

             Function Code: Modbus protocol function code

             Address: Starting address for reading/writing coils or registers

             Quantity: Number of coils or registers being read/written

             Data: Content of the read/write request for coils or registers. Data content is parsed according to the specific function code

             CRC Check: CRC verification result - Pass or Fail

             COM: Corresponding COM port

             Timestamp: Monitoring record time, based on option settings

             Mode: RTU or ASCII

             Remark: Response or Request