A Modbus protocol unit number for each slave. This can be specifies in any of the following ways: (a) An individual unit number. (b) A range of unit numbers. (c) All, which means accept messages carrying any Modbus protocol unit number.

Timers as required. Typically the defaults work. If you require additional information, see the set modbus command in the Digi One/PortServer TS 2/4 Command Reference.

Configuring Modbus

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