The driver's communication is address-based.
The variables are allocated via:
the Net address - entered in Driver configuration for connection,
the Function Type and the Information Number - corresponds to FUN and INF from the standard
and for Measurands also to the index - corresponds to the sequence of MEA in ASDU <3> or <9>.
Example: Measurand P of Measurands II (ASDU <9> in monitor direction)
Data type: REAL
Driver object type: MONITORING
Function Type: 128
Information Number: 148