Commissioning, service, troubleshooting   
13.3 Service 
  SIMOCODE pro 
282  System Manual, 05/2019, A5E40507475002A/RS-AD/004 
 
Figure 13-7  Replacing current/voltage measuring modules 
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.