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|Modbus TCP server||Modbus TCP slave device|
|Only configure IP address||Need to configure parameters and I/O mapping|
|For Modbus TCP client, all %MW address of server can be R/W.||For I/O scanner, only %IW area (2~40 words) can be R/W, %QW area (2~40 words) are read only, and actual %MW address of slave device cannot be visited.|
|No need to configure “Unit ID”||Unit ID (1~247) should be same the unit ID setting in Modbus TCP I/O scanner.|
|No visualized list for communicated address.||Have a clear and visualized interface to monitor all communicated variables.|
|The connection to one client may be closed when more than 8 connections are needed.||The connection to the Master client is never forcefully closed, when IPMaster Address is configured.|
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