Communication with M-Bus
A43/A44 172 2CMC48001M0201
User Manual Revision: C
10 Communication with M-Bus
This chapter describes how to read meter data and to send commands to the meter
over M-Bus. The chapter contains information for all functionality and data for
the complete A series family. For single phase meters some data does not exist,
for example data for phase 2 and 3.
In this chapter The following topics are covered in this chapter:
10 Communication with M-Bus ..................................................................... 172
10.1 Bus Description ......................................................................................... 174
10.2 Protocol Description .................................................................................. 175
10.2.1 Telegram Format ............................................................................... 181
10.2.1.1 Field description ........................................................................ 181
10.2.2 Value Information Field codes .......................................................... 189
10.2.2.1 Standard VIF codes .................................................................... 189
10.2.2.2 Standard codes for VIFE used with extension indicator FDh .... 189
10.2.2.3 Standard codes for VIFE ............................................................ 190
10.2.2.4 First manufacturer specific VIFE-codes ..................................... 190
10.2.2.5 VIFE-Codes for reports of record errors (meter to master) ...... 192
10.2.2.6 VIFE-Codes for object actions (master to meter) ...................... 192
10.2.2.7 2:nd manufacturer specific VIFE followed after VIFE 1111 1000
(F8 hex): 192
10.2.2.8 2:nd manufacturer specific VIFE followed after VIFE 1111 1001
(F9 hex): 192
10.2.2.9 2:nd manufacturer specific VIFE followed after VIFE 1111 1110
(FE hex): 193
10.2.3 Communication process .................................................................... 193
10.2.3.1 Selection and secondary addressing ......................................... 196
10.3 Standard Readout of Meter Data .............................................................. 197
10.3.1 Example of the 1st telegram (all values are hexadecimal) ................ 197
10.3.2 Example of 2nd telegram (all values are hexadecimal) ..................... 201
10.3.3 Example of 3rd telegram (all values are hexadecimal) ..................... 205
10.3.4 Example of the 4th telegram (all values are hexadecimal) ............... 210
10.3.5 Example of the 5th telegram (all values are hexadecimal) ............... 214
10.3.6 Example of the 6th telegram (all values are hexadecimal) ............... 216
10.3.7 Example of the 7th telegram (all values are hexadecimal) ............... 220
10.3.8 Example of the 8th telegram (all values are hexadecimal ................ 223
10.3.9 Example of the 9th telegram (all values are hexadecimal ................ 226
10.4 Special Readout of Meter Data ................................................................. 229
10.4.1 Readout of Load Profile Data ............................................................ 230
10.4.1.1 Examples of Readouts of Load Profile Data .............................. 235
10.4.2 Readout of Demand Data .................................................................. 238
10.4.2.1 Examples of Readouts of Demand Data .................................... 239
10.4.3 Readout of Previous Values .............................................................. 244
10.4.3.1 Examples of Readouts of Previous Values ................................. 246
10.4.4 Readout of Event Log Data ................................................................ 249
10.4.4.1 Example of readout of log data ................................................. 251
10.4.5 Readout of Current Harmonics ......................................................... 255
10.4.5.1 Examples of Readouts of Current Harmonics Data ................... 256
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