Result
The release request "Sequence for maintenance (Page 191)" can be used.
After AS and OS compilation and subsequent download, the changes are applied in the
process control.
Compile and download the OS in which the technological block will be displayed.
Additional information
You can find additional information on maintenance in the section "Overview of maintenance
(Page 189)" and in the manual
Process Control System PCS 7; Advanced Process Library
.
5.17.2 Engineering for maintenance release
Introduction
You must make interconnections on the blocks in the CFC chart for the maintenance release.
We recommend that the configuration steps be taken into consideration when the typicals are
created.
Requirement
● The CFC typicals have been created.
● The PCS 7 Advanced Process Library is used.
Procedure
1. Open the CFC typical.
2. Interconnect the output parameter MS_Release of the technological block with the input
parameter MS_Release of the channel block.
You can interconnect the maintenance release of a technological block to multiple channel
blocks.
3. Interconnect the output parameter OosAct of the channel block with the input parameter
OosLi of the technological block.
You can connect the "In Service" information (OosAct) of multiple channel blocks to the
technological block with an OR operation.
4. Use the feature bit "Reaction to the out of service mode" to define the desired behavior of
the technological block.
Result
The maintenance release "Sequence for maintenance (Page 191)" can be used.
After AS and OS compilation and subsequent download, the changes are applied in the
process control.
Configuring the maintenance stations
5.17 Engineering for maintenance
Maintenance Station
Function Manual, 03/2016, A5E36187641-AA 79
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