LEGRAND Raritan PX3-3000 Series, Руководство пользователя

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Chapter 6: Using the Web Interface
323
Field Description
TCP port
Use the default port 503, or assign a different port. Valid
range is 1 to 65535.
Note: Port 502 is the default Modbus/TCP port for PX3, so
you cannot use that port for the Modbus Gateway.
Parity,
Line speed
Use the default values, or update if the Modbus RTU devices
are using different communication parameters.
Default
address
If the Modbus TCP client does not support Modbus RTU unit
identifier addressing, enter a Default Address.
If you must provide a unit identifier address:

Only one Modbus RTU device is supported.

The unit identifier address you provide is applied to the
Modbus RTU device connected to PX3.
Note that each Modbus RTU device's unit identifier address
must be unique.
Warning: If the connected Modbus RTU device's address
does not match the address entered in this field,
communications between the Modbus TCP clients and
Modbus RTU device fail.