Configuration; Previous Values - ABB A43 User Manual

Communication with Modbus

9.10 Configuration

This section describes how to configure the following functions:
Introduction

9.10.1 Previous values

General Previous values configuration defines the set of quantities to store at the end of
a period. It is also defines the period with which values are stored.
Mapping table The following table shows an overview of the mapping table:
Quantity

Previous values

Previous values
Quantity
The following table describes the group of registers for configuring quantities

configuration

to store in previous values:
registers
Function
Number of
channels
Channel number 8C51
Quantity
Follow the steps in the table below to configure the set of quantities to store in
Write quantity
previous values:
configuration
Step
1
2CMC48001M0201
Revision: C
• Previous values
• Demand
• Load profile
• Alarms
•
I/O
• Tariffs
Details
Quantity configuration 8C50
Period configuration
Start Size
Reg
(Hex)
8C50 1
1
8C52 3
Action
Write the number of channels that shall be configured to the Number of
channels register. This is a value between 1 and 50.
143
Start Reg (Hex)
8C55
Description
The number of channels used (up to a
maximum of 50)
Current channel number during read or
write of configuration
OBIS code for the quantity in this
channel
Size
5
1
Read/
write
R/W
R
R/W
A43/A44
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