Maintenance and service
8.2 Replacing the 3RW5 communication module
SIRIUS 3RW5 Modbus communication module
Equipment Manual, 03/2020, A5E43676481002A/RS-AC/003
121
Procedure
1. Remove the bus connector (Page 63) or the bus connection cable (Page 67).
2. Remove the 3RW5 communication module.
– 3RW50 soft starter: Remove the COM connecting cable from
the 3RW5 communication module (Page 59) and remove the
3RW5 communication module on the level surface (Page 53).
– 3RW52, 3RW55 and 3RW55 Failsafe soft starters: Remove the
3RW5 communication module in the 3RW5 soft starter (Page 49).
3. Mount the 3RW5 communication module.
– 3RW50 soft starter: Mount the 3RW5 communication module on the level surface
(Page 51) and connect the COM connecting cable to the
3RW5 communication module (Page 57).
– 3RW52, 3RW55 and 3RW55 Failsafe soft starters: Mount the
3RW5 communication module in the 3RW5 soft starter (Page 48).
4. Connect the bus connector (Page 61) or the bus connection cable (Page 64) of the bus
connection to the 3RW5 communication module.
Result
You have replaced the 3RW5 communication module and can commission the
3RW5 soft starter in the bus connection.
Set the communication parameters anew. If you backed up the communication parameters
to a micro SD card before replacement, you can transfer them from the micro SD card to the
replacement device.
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