ABB A43

Communication with Modbus
A43/A44 148 2CMC48001M0201
User Manual Revision: C
Interval configuration register
The Interval configuration register is used to read or write the length of the period
with which average values are calculated. The interval is expressed in minutes.
Sub interval configuration register
The Sub interval configuration register is used to read or write the length of the
short period in case of sliding demand. The sub interval is expressed in minutes.
Period configuration register
The Period configuration register is used to read or write the period with which
demand values are stored. The table below describes the contents of the Period
configuration register:
Byte nr
Description
Possible values
0
(High byte)
Demand period
0 = Daily
1
= Weekly
2
= Monthly
1
(Low byte)
Day of week, in case of weekly storage
1-7 (1 = Monday)
9.10.3 Load profile
General
Mapping table
Write channel
configuration
Load profile configuration defines the quantity to store for each channel. It is
also defines the interval by which values are stored and the maximum number
of snapshots. All settings are individual for every channel.
The following table shows the registers used for load profile configuration:
Quantity
Details
Start Reg (Hex)
Size
Load profile
Channel number
8C20
1
Load profile
Quantity
8C21
3
Load profile
Interval
8C24
2
Load profile
Max number of snapshots
8C26
2
Follow the steps in the table below to configure all load profile channels:
Step
Action
1
Choose the channel to configure by writing a number to the Channel number
register. Allowed values are 1-8.