Siemens SIMOCODE pro C System Manual page 282

Commissioning, service, troubleshooting
13.3 Service
Figure 13-7
Replacing a 1st generation current/voltage measuring module (UM) with a 2nd generation
current/voltage measuring module (UM+)
Replacing current measuring modules and current/voltage measuring modules
The main power for the feeder and the supply voltage for the basic unit must be switched
off before replacing current measuring modules and current/voltage measuring modules.
282
Replacing current/voltage measuring modules
WARNING
System Manual, 05/2019, A5E40507475002A/RS-AD/004
SIMOCODE pro