ABB A43

Communication with M-Bus
2CMC48001M0201 287 A43/A44
Revision: C User Manual
10.5.26 Set date
The date is set by sending the following command (all values are hexadecimal).
The command is affected by the write protection level set.
Byte No.
Size
Value
Description
1
1
68
Start character
2
1
07
L-field, calculated from C field to last user data
3
1
07
L-field, repeated
4
1
68
Start character
5
1
53/73
C-field, SND_UD
6
1
xx
A-field, address
7
1
51
CI-field, data send, LSB first
8
1
02
DIF size, 16 bit integer
9
1
6C
VIF date
10-11
1
xxxx
Date (day,month,year coded accorded to M-Bus data
type G)
12
1
xx
CS checksum, calculated from C field to last data
13
1
16
Stop character
10.5.27 Reset demand, previous values, load profile and logs
All data for demand, previous values, load profile and logs is cleared by sending
the following command (all values are hexadecimal). The command is affected
by the write protection level set.
Byte No.
Size
Value
Description
1
1
68
Start character
2
1
08
L-field, calculated from C field to last user data
3
1
08
L-field, repeated
4
1
68
Start character
5
1
53/73
C-field, SND_UD
6
1
xx
A-field, address
7
1
51
CI-field, data send, LSB first
8
1
00
DIF size, no data
9
1
FF
VIF next byte is manufacturer specific
10
1
F9
VIF extension of manufacturer specific VIFE's, next
VIFE specifies actual meaning
11
1
xx
VIFE specifies data to be cleared:
•
82: Demand
•
83: Previous values
•
84: Load profile
•
AE: System log
•
B0: Net quality log
•
B2: Event log
12
1
07
VIFE clear
13
1
xx
CS checksum, calculated from C field to last data