Object ExtComm

An extension of the PmVar variable of the PmaData object for connecting to the PmaCommGroup 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 PmaCommGroup object after starting the application. Therefore it is not needed to create the requested item on the "PmaCommGroup > Data" page! If all items for the PmaCommGroup object are of the "Data extension" type, then the "PmaCommGroup > Data" page 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 PmVar object
Configuration windows:
ExtComm Data extension configuration

Pm8.03.00: Created
PROMOTIC 9.0.8 SCADA system documentation - MICROSYS, spol. s r.o.

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