Reset Power Fail Counter; Set Current Transformer (Ct) Ratio - Primary Current - ABB A43 User Manual

Communication with M-Bus
Byte No.
9

10.5.4 Reset power fail counter

The power fail counter is reset to 0 by sending the following command (all values
are hexadecimal). The command is not affected by the write protection level set.
Byte No.
1
2
3
4
5
6
7
8
9
10
11
12
13

10.5.5 Set Current transformer (CT) ratio - primary current

The current transformer ratio (CT) primary current 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
11-14
15
16
A43/A44
User Manual
Size Value Description
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 00 DIF size, no data
1 FF VIF next byte is manufacturer specific
1 98 VIFE no. of power fails
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 0a L-field, calculated from C field to last user data
1 0a 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 04 DIF size, 32 bit integer
1 FF VIF next byte is manufacturer specific
1 20 VIFE CT ratio primary current
4 xxxxxxxx New CT ratio primary current
1 xx CS checksum, calculated from C field to last data
1 16 Stop character
276 2CMC48001M0201
Revision: C