Maintenance
9.3 Opening the doors
9.3.3
Secure locking system (option M10)
The doors are protected by a key transfer system.
Figure 9-5
①
Circuit-breaker
②
Coded key for the key transfer unit
③
Key transfer unit
④
Coded key for cabinet doors
⑤
Locks for the cabinet doors
Figure 9-6
Components of the secure locking system
176
Principle of the mechanical door interlock
SINAMICS GM150 6SL3810-2LN31-8AA2
Operating Instructions Rev.201910281332 EXAMPLE