Freeze Demand; Set Write Access Level - ABB A43 User Manual

Communication with M-Bus
Byte No.
13
14
15
16
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.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
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.
1
2
3
4
5
6
7
8
9
10
11
A43/A44
User Manual
Size Value Description
1 F2 Resettable registers
1 07 VIFE clear
1 xx CS checksum, calculated from C field to last data
1 16 Stop character
Size Value Description
1 68 Start character
1 08 L-field, calculated from C field to last user data
1 08 L-field, repeated
1 68 Start character
1 53/73 C-field, SND_UD
1 xx A-field, address
1 51 CI-field, data send, LSB first
1 00 DIF size, no data
1 FF VIF next byte is manufacturer specific
1 F9 VIF extension of manufacturer specific vife's, next
vife specifies actual meaning
1 82 VIFE specifying demand
1 0B VIFE freeze
1 xx CS checksum, calculated from C field to last data
1 16 Stop character
Size Value Description
1 68 Start character
1 07 L-field, calculated from C field to last user data
1 07 L-field, repeated
1 68 Start character
1 53/73 C-field, SND_UD
1 xx A-field, address
1 51 CI-field, data send, LSB first
1 01 DIF size, 8 bit integer
1 FF VIF next byte is manufacturer specific
1 6A VIFE write control
1 xx Write control (1: Closed, 2: Open by password, 3:
Open)
290 2CMC48001M0201
Revision: C