ABB A43 User Manual page 232

Communication with M-Bus
Byte No. Size
11 1
12 1
13-18 6
19 1
20 1
Read request for a specified date, time and channel number
A read request for a specified date, time and channel number is performed by
sending the following SND_UD to the meter followed by a REQ_UD2 (all
values are hexadecimal).
Byte No. Size
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 1
12 1
13 1
14 1
15 1
16-21 6
A43/A44
User Manual
Value Description
F9 VIFE extension of manufacturer specific VIFE's, next VIFE
specifies actual meaning.
xx VIFE specifies data requested:
10: Active import energy register values at end of interval
12: Reactive import energy register values at end of interval
14: Input 1 register values at end of interval
16: Input 2 register values at end of interval
1C: Active export energy register values at end of interval
1E: Reactive export energy register values at end of interval
20: Apparent import energy register values at end of interval
22: Apparent export energy register values at end of interval
24: Input 3 register values at end of interval
26: Input 4 register values at end of interval
28: Current average values per interval
29: Voltage average values per interval
2A: THD voltage average values per interval
2B: THD current average values per interval
2C: Power factor average values per interval
xxxxxxxxxxxx Time/date (sec:min:hour / day-month-year)
xx CS checksum, calculated from C field to last data
16 Stop character
Value Description
68 Start character
11 L-field, calculated from C field to last user data
11 L-field, repeated
68 Start character
53/73 C-field, SND_UD
xx A-field, address
51 CI-field, data send, LSB first
0E DIF size, 12 digit BCD data
ED VIF time point, date, M-Bus data type G
FF VIFE next byte is manufacturer specific
F9 VIFE extension of manufacturer specific VIFE's, next VIFE
specifies actual meaning.
B8 VIFE specifying readout based on channel number.
FF VIFE next byte is manufacturer specific.
F8 VIFE extension of manufacturer specific VIFE's, next VIFE con-
tains number.
xx VIFE specifies data channel number (1-8).
xxxxxxxxxxxx Time/date (sec:min:hour / day-month-year)
232 2CMC48001M0201
Revision: C