Siemens SIMATIC PCS 7 OSx, Operator'S Manual

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OSx Station Control
2-12
SIMATIC PCS 7 OSx 4.1.2 Operator
Role_Change Command (continued)
Table 2-1 lists the possible roles to which an operator can change a station.
Table 2-1 Role Changes Possible for an OSx Station
OSx Station Is Supervisory OSx Station Is Operator
Current Role Possible New Role Current Role Possible New Role
Primary Out_of_service Primary Out_of_service
Primary
1
Backup
Sysadmin
1,2,3
Primary
1
, only if no
ti i
Backup
Normal
1
active, in-sync
supervisory stations
Out_of_service
Normal
supervisory stations
are available
Primary
1,2
Sysadmin
Normal
1,2
Out of service
Out_of_service
1,2
Out_of_service
Out_of_service Normal
4
Primary
1
Normal
Backup
1
Out_of_service Normal
4
Normal
Sysadmin
1,2,3
Out_of_service
1 = Selected station must be an active, communicating OSx station.
2 = Role change must be done at the station that you are changing.
3 = No station with the sysadmin role currently exists.
4 = Cannot be done with Role_Change command. When the station reboots, it
assumes the normal role.