ABB A43

Communication with M-Bus
A43/A44 250 2CMC48001M0201
User Manual Revision: C
Event Offset The meter supports offset values 0 and -1 for reading the System, Event, Net
Quality logs. If the offset mentioned is 0 then meter will read the log in the
for ward direction. If the offset value mentioned is -1 then it will read the data in
the backward direction from the given date.
Data The data will be sent out with 5 events in each telegram. If less than 5 events is
stored in the meter for the specified date/time and offset all data in the telegram
after the last stored event will have status byte marked as "no data available" (15
hex).
The data sent out for each event is:
• Event type (1 byte binary coded).
• Date/time stamp for start of the event (6 byte bcd in order sec:min:hour/
day:month:year
• Duration of the event (in seconds)