Siemens Simatic PCS7 Function Manual page 125

Meaning
Maintenance required has been requested,
maintenance engineer has not yet created a mainte‐
nance job
Maintenance demanded has been requested,
maintenance engineer has not yet created a mainte‐
nance job
Maintenance alarm has been requested,
maintenance engineer has not yet created a mainte‐
nance job
Maintenance required requested,
the maintenance job was changed to the "Planned serv‐
icing" state
Maintenance demanded requested,
the maintenance job was changed to the "Planned serv‐
icing" state
Maintenance alarm requested,
the maintenance job was changed to the "Planned serv‐
icing" state
Maintenance required requested,
maintenance job was changed to the "Release request"
state
Maintenance demanded requested,
maintenance job was changed to the "Release request"
state
Maintenance alarm requested,
maintenance job was changed to the "Release request"
state
Maintenance required requested,
maintenance job was set to the state "In service"
Maintenance demand requested,
maintenance job was set to the state "In service"
Maintenance alarm requested,
the maintenance job was changed to the "In service"
state
Maintenance job canceled
Maintenance engineer has canceled the maintenance
job
Maintenance job completed
Structure of the variable for the maintenance state
The value of the variable *.MS or *.MaintenanceState represents the maintenance state.
The variable is a DWORD type.
Maintenance Station
Function Manual, 03/2016, A5E36187641-AA
6.9 Maintenance status and maintenance group display
Maintenance
job
Maintenance
state see table
above
Maintenance
state see table
above
Operator control and monitoring
State maintenance
job
125