ABB A43 User Manual

Communication with M-Bus
A43/A44 290 2CMC48001M0201
User Manual Revision: C
Byte No.
Size
Value
Description
13
1
F2
Resettable registers
14
1
07
VIFE clear
15
1
xx
CS checksum, calculated from C field to last data
16
1
16
Stop character
10.5.32 Freeze demand
The demand values will be frozen and a new period will be started 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
82
VIFE specifying demand
12
1
0B
VIFE freeze
13
1
xx
CS checksum, calculated from C field to last data
14
1
16
Stop character
10.5.33 Set write access level
The write access level 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
01
DIF size, 8 bit integer
9
1
FF
VIF next byte is manufacturer specific
10
1
6A
VIFE write control
11
1
xx
Write control (1: Closed, 2: Open by password, 3:
Open)

ABB A43 Specifications

General

Brand	ABB
Model	A43
Category	Measuring Instruments
Language	English