Siemens SIMATIC PCS 7 Operation And Maintenance page 58

Service and maintenance of SIMATIC PDM
6.4 Updating SIMATIC PDM
Requirement
If the required device descriptions are missing from the PCS 7 ES, it may not be possible to
edit the devices using PDM in the PCS 7 project. If this is the case, check the PDM
installation and verify that all necessary device descriptions have been imported; if they have
not, the error message shown below will appear when the project or HW Config is opened.
HW Config will be opened as read-only in this case. Individual device descriptions will be
missing in most cases.
Procedure
1. Install the PDM version released for the PCS 7 ES and import the device catalog
associated with it (import all devices).
2. Import additional device descriptions which were not imported in the previous step as part
of the PDM device catalog in the same or an updated version.
3. Optional: import individual devices from older PDM device catalogs.
Caution: Selectively import only the missing device descriptions and not the entire
catalog.
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Compendium Part D - Operation and Maintenance (V9.0)
Operating Manual, 02/2018, A5E43228948-AA