Maintenance status
Redundant component Component A Component B
Maintenance demanded Maintenance demanded Good
Maintenance demanded Maintenance alarm Good
Configuration change Configuration change Good
Good Good Component passivated
Component passivated Unknown/untested Component passivated
Component passivated Component passivated Component passivated
Out of service Out of service Component passivated
At least one process value is being simulated At least one process value is
being simulated
Component passivated
Local operation Local operation Component passivated
Maintenance required Maintenance required Component passivated
Maintenance demanded Maintenance demanded Component passivated
Maintenance alarm Maintenance alarm Component passivated
Component passivated Configuration change Component passivated
Maintenance demanded Good Out of service
Out of service Unknown/untested Out of service
Out of service Component passivated Out of service
Out of service Out of service Out of service
At least one process value is being simulated At least one process value is
being simulated
Out of service
Local operation Local operation Out of service
Maintenance required Maintenance required Out of service
Maintenance demanded Maintenance demanded Out of service
Maintenance alarm Maintenance alarm Out of service
Out of service Configuration change Out of service
Operator control and monitoring
6.10 Maintenance status of redundant components
Maintenance Station
Function Manual, 03/2016, A5E36187641-AA 127