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Section 3 Configuration
Adding new faceplates for a proxy object is done the same way as building
faceplates for a single system. It is also possible to build faceplates that work against
more than one provider system.
History and Trends
The trend displays are also transferred with their log configuration during an upload,
the references are changed to the uploaded proxy objects.
Building a new trend or log configuration is done in the same way as for a single
system, but using the proxy objects instead of local objects.
Avoid logs of provider values in the subscriber. It is more efficient to create the
logs in the provider and only view them in the subscriber.
There is one history service that connects to the provider system(s). It can be
configured in the RAC history service group Special Configuration tab.
Figure 34. Remote History Service Group Configuration
The Multisystem Integration OPC/HDA link should be added to Supported Links if
the creation of the History group is done manually. If no History group with this
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History and Trends
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