
2.0 Configuration and Modbus map
User’s Manual GW-DLMS-232-ISK
Page 9
To change the modbus node of the RTU or TCP server, open the
Protocols
page and modify the
parameters of the desired interface.
2.4 Modbus Mapping Area
The data read from the meters are placed in the Holding Register area.
A copy of the values is also present in the 4x20000 holding register area.
In case of obis not found in the message from meter you will find -1 value.
Refresh time of the values is approximately:
Time between readouts
*
N
, where N is the number of
energy meters connected to gateway and configured with a serial number different from zero in
HomeDLMS
.
Modbus addresses in the table are base 1; depending on used Modbus master, sometimes is required
to swap words to read data correctly.
OBIS
INDEX
OBIS
CODE
METER COM0 METER COM1
DATA
TYPE
NOTE
-
-
4x40000
UINT
DI 00
-
-
4x40001
UINT
DI 01
-
-
4x40002
UINT
DO 00
-
-
4x40003
UINT
DO 01
-
-
4x40004
4x40006
ULONG Energy meter’s serial code to start communication
-
-
4x40012
FLOAT
Index reading meter
-
-
4x40014
FLOAT
Error number
0
F.F
4x40016
4x40216
LONG
Error Code