ABB A43, User Manual

Page: 108 / 295

Communication with Modbus
A43/A44 108
2CMC48001M0201
User Manual Revision: C
9.4 Mapping Tables
Introduction
Contents of the
mapping tables
The purpose of this section is to explain the relation between register number
and metering data.
The following table explains the content of the mapping tables:
Quantity Name of the meter quantity or other information available in the
meter.
Details Refinement of the Quantity column.
Start Reg (Hex) Hexadecimal number for the first (lowest) Modbus Register for
this quantity. *
Size Number of Modbus registers for the meter Quantity. A Modbus
Register is 16 bits long.
Res. Resolution of the value for this Quantity (if applicable).
Unit Unit for the Quantity (if applicable).
Data type Data type for this Quantity, i.e. how the value in the Modbus
registers should be interpreted.
Total energy
accumulators
*It is expressed exactly as it is sent on the bus. That is, it should not be
subtracted by 40 000 or decremented by 1, as is common for Modbus products.
All registers in the following table are read only:
Quantity Details Start reg Size Res. Unit Data type
(Hex)
Active import kWh 5000 4 0,01 kWh Unsigned
Active export kWh 5004 4 0,01 kWh Unsigned
Active net kWh 5008 4 0,01 kWh Signed
Reactive import kvarh 500C 4 0,01 kvarh Unsigned
Reactive export kvarh 5010 4 0,01 kvarh Unsigned
Reactive net kvarh 5014 4 0,01 kvarh Signed
Apparent import kVAh 5018 4 0,01 kVAh Unsigned
Apparent export kVAh 501C 4 0,01 kVAh Unsigned
Apparent net kVAh 5020 4 0,01 kVAh Signed
Active import 5024 4 0,001 kg Unsigned
CO2
Active import 5034 4 0,001 currency Unsigned
Currency