Mapping Tables - ABB A43 User Manual

Communication with Modbus

9.4 Mapping Tables

Introduction The purpose of this section is to explain the relation between register number
and metering data.
Contents of the The following table explains the content of the mapping tables:

mapping tables

Quantity
Details
Start Reg (Hex)
Size
Res.
Unit
Data type
*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.
Total energy
All registers in the following table are read only:
accumulators
Quantity
Active import
Active export
Active net
Reactive import
Reactive export
Reactive net
Apparent import
Apparent export
Apparent net
Active import
CO2
Active import
Currency
A43/A44
User Manual
Name of the meter quantity or other information available in the
meter.
Refinement of the Quantity column.
Hexadecimal number for the first (lowest) Modbus Register for
this quantity. *
Number of Modbus registers for the meter Quantity. A Modbus
Register is 16 bits long.
Resolution of the value for this Quantity (if applicable).
Unit for the Quantity (if applicable).
Data type for this Quantity, i.e. how the value in the Modbus
registers should be interpreted.
Details Start reg Size
(Hex)
kWh 5000 4
kWh 5004 4
kWh 5008 4
kvarh 500C 4
kvarh 5010 4
kvarh 5014 4
kVAh 5018 4
kVAh 501C 4
kVAh 5020 4
5024 4
5034 4
108
Res. Unit Data type
0,01 kWh Unsigned
0,01 kWh Unsigned
0,01 kWh Signed
0,01 kvarh Unsigned
0,01 kvarh Unsigned
0,01 kvarh Signed
0,01 kVAh Unsigned
0,01 kVAh Unsigned
0,01 kVAh Signed
0,001 kg Unsigned
0,001 currency Unsigned
2CMC48001M0201
Revision: C