ABB A43

Communication with M-Bus
2CMC48001M0201 189 A43/A44
Revision: C User Manual
Check sum
The Check Sum is used to recognize transmission and synchronization faults. It
is calculated from the arithmetical sum, of the bytes from the control field to the
last user data, without taking carry digits into account .
10.2.2 Value Information Field codes
10.2.2.1 Standard VIF codes
VIF-code
Description
Range coding
Range
E000 0nnn
Energy
10(
nnn-3
) Wh
0.001Wh to 10000Wh
E010 1nnn
Power
10(
nnn-3
) W
0.001W to 10000W
E010 00nn
Duration
nn = 00 seconds
nn = 01 minutes
nn = 10 hours
nn = 11 days
E110 110n
Time point
n = 0: date
Data type G
n = 1: time & date
Data type F or 6 byte
BCD coding
E111 1000
Fabrication No.
00000000 to
99999999
E111 1010
Bus address
0-250
1111 1011
Extension of VIF-
Not used by the meter
codes
1111 1101
Extension of VIF-
True VIF is given in
codes
the first VIFE and is
coded using Table FD
1111 1111
Manufacturer
Next VIFE is manufac-
specific
turer specific
10.2.2.2 Standard codes for VIFE used with extension indicator FDh
If the VIF contains the extension indicator FDh the true VIF is contained in
the first VIFE.
VIFE-code
Description
E000 1010
Manufacturer
E000 1100
Version
E000 1110
Firmware Version
E001 1010
Digital Output (binary)
E001 1011
Digital Input (binary)
E001 1100
Baud rate
E010 01nn
Interval length, 00: seconds, 01: minutes), 10: hours, 11:
days