Siemens SIRIUS 3RW5 Equipment Manual page 120

Maintenance and service
8.2 Replacing the 3RW5 communication module
8.2 Replacing the 3RW5 communication module
Communication parameters are stored in the 3RW5 communication module and not
automatically transferred into the replacement device.
Observe the following chapters on the communication parameters:
● Configuring the 3RW5 Soft Starter (Page 73)
● Modbus TCP communication parameters (Page 176)
● Modbus RTU communication parameters (Page 177)
Note
Back up the communication parameters on micro SD card
Depending on the 3RW5 soft starter, you can back up the communication parameters to a
micro SD card via the 3RW5 HMI High Feature.
You will find more information about backing up the configuration data to a micro SD card
and operating the 3RW5 HMI High Feature in the Equipment Manual of the
3RW5 soft starter.
Requirements
NOTICE
Damage to property due to electrical voltage
Switch off the power to the 3RW5 soft starter before starting work
(main and control supply voltage).
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SIRIUS 3RW5 Modbus communication module
Equipment Manual, 03/2020, A5E43676481002A/RS-AC/003