4. If the lower-level objects have another assignment but you prefer all lower-level objects to
have the same assignment, select the "Pass on selected assignment to lower-level objects"
check box.
Note
The "Pass on selected assignment to all lower-level objects" check box is active if the lower-
level objects have another assignment or no assignment.
5. From the "Assigned OS" list, select the operator station you want to assign to the selected
hierarchy folder.
6. If the lower-level objects have another assignment but you prefer all lower-level objects to
have the same assignment, select the "Pass on selected assignment to lower-level objects"
check box.
Note
If you select "Area oriented" as the compilation mode, the OS assignment can only be
changed for PH folders of the OS area level.
7. Click "OK".
Result
The AS/OS assignment is selected, and the lower-level objects are passed on or not passed
on according to your setting.
Note
If you have divided up the projects so that there is only one OS or one AS in a project, you
cannot make an AS-OS assignment.
Additional information
● Online help for the "AS-OS Assignment" tab
● Online help for PH, IEA, and PO
5.5.8 How to configure an OS client
Introduction
The following section describes how to configure two OS clients, for example, that can be
interconnected with a redundant pair of OS servers.
Advantages of high availability components
5.5 Operator stations
High Availability Process Control Systems (V9.0)
Function Manual, 05/2017, A5E39221836-AA 163
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