Object ExtComm

An extension of the Var variable of the PmData object 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
PROMOTIC 8.3.23 SCADA system documentation - MICROSYS, spol. s r.o.

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