Object ExtComm

An extension of the PmData data item for connecting to the PmCommData object (communication by the PROMOTIC communication drivers).
Format of saving the data extension as string:

The contents of complete data extension (all configurators) can be saved as a single string. See Format of saving the data extension as string .


This data extension registrates itself automatically into the PmCommData object after application launch. Therefore it is not needed to create the requested item at page PmCommData > Data! If all items in the PmCommData object are of the "Data extension" type, then the page PmCommData > Data may remain empty.
Properties and methods:
ClassName Name of data extension type
ItemId Text address/identifier of the variable for the corresponding communication type.
Var Making available the Var object
Configuration windows:
ExtComm Data extension configuration
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