Siemens RF180C Operating Instructions Manual page 34

Parameterization
5.2 Assigning device names to the I/O device
3. Select the option "Functions > Assign name".
4. Assign a device name and click the "Assign name" button.
Result
The device name is saved in connection block and base unit of the RF180C communication
module.
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The device name must be unique within the system and must match the configuration.
Operating Instructions, 12/2012, J31069-D0177-U001-A6-7618
RF180C communication module