IEC62056_21Rd - FB DLMS protocol management

This function block (present in the eLLabUtyLib library) reads registers from metering systems using the IEC62056-21 (or DLMS) protocol.
It is necessary, in SerialNr, to define the serial number of the meter (used as read access key) and in Register, the address of the register to be read according to the OBIS standard. If the reading is successful, the Done output is activated and Value is enhanced with the data read by the counter.

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See also: How to protect a programme on the platforms SlimLine and Netsyst.