Object ExtComm

An extension of the PmVar variable of the PmaData object for connection to the PmaCommGroup object (communication by the PROMOTIC communication drivers).
Properties and methods:
ExtIdData extension identifier
GroupReturns the PmaCommGroup object
ItemIdText address/identifier of the variable for the corresponding communication type
LastSendErrorSuccess rate of the last sent value
LastSendValueLast sent value
RecalcDValue of the D constant for recalculation
RecalcKValue of the K constant for recalculation
RecalcQValue of the Q constant for recalculation
VarReturns the PmVar object
Configuration windows:
ExtCommData extension configuration
This data extension registrates itself automatically into the PmaCommGroup object after the application is launched. Therefore it is not needed to create the requested item on the "PmaCommGroup > Data" tab! If all items for the PmaCommGroup object are of the "Data extension" type, then the "PmaCommGroup > Data" tab may remain empty.

Format of saving the data extension in the form of a text string:
The content of complete of data extension (all configurators) can be saved in the form of single text string. See Format of saving the data extension in the form of a text string.
- Id: see the "Data extension identifier" configurator
- PmaObject: see the "Target object (PmaCommGroup)" configurator
- ItemId: see the "ItemId" configurator
- K;Q;D: see the "Value recalculation" configurator

Pm8.03.00: Created
PROMOTIC 9.0.27 SCADA system documentation MICROSYS, spol. s r.o.

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