ABB A43

Communication with Modbus
A43/A44 158 2CMC48001M0201
User Manual Revision: C
Tariff source
register
Input
configuration
register
Season
configuration
registers
Quantity
Details
Start Reg (Hex)
Size
Tariffs
Week profile configuration
8CB5
24
Tariffs
Day profile configuration
8CCD
6
Tariffs
Special days configuration
8CD3
5
The Tariff source register is used to read or write the source used for
controlling the tariffs. Possible values are listed in the table below:
Value
Description
0
Clock (Calendar)
1
Communication
2
Inputs
The Input configuration register is used for reading and writing tariff input
configuration. It decides how many tariffs are used, and which tariff is
activated for every combination of values on the inputs. The following table
describes the contents of the Input configuration register:
Byte
Bits
Description
Possible values
0 (high byte)
Entire
The number of tariffs to use
1-4
byte
1 (low byte)
0-1*
Tariff to activate when both
0-3 (0 = tariff 1, etc)
inputs are OFF
2-3*
Tariff to activate when input 3 is
0-3
ON and input 4 is OFF
4-5*
Tariff to activate when input 3 is
0-3
OFF and input 4 is ON
6-7*
Tariff to activate when both
0-3
inputs are ON
* Bit 0 is the least significant bit.
The following table describes the group of registers for configuring seasons:
Function
Start
Size
Description
Read/
Reg
write
(Hex)
Number of
8C92
1
The number of seasons used (1-4)
R/W
seasons
Season number
8C93
1
Current season number during read or
R
write of configuration