Information

Connecting energy meters to StecaGrid coolcept / coolcept³
inverters
WIM Version: 11/11/2016
Connecting energy meters to StecaGrid coolcept / coolcept³ inverters
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4 B+G SDM220 Modbus
This single-phase energy meter is designated as "B+G SDM220" in the "Meter type" field in the energy
management settings of the StecaGrid coolcept / coolcept³.
Device connection Inverter RJ10 Bus signal B+G SDM220
Contact / Pin
1
Data A
≙
A
9
2 Data B
≙
B 8
3
Ground
≙
GND
7
4
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Fig. 8 Circuit diagram for B+G SDM220 Modbus
RS485 interface settings
at the B+G SDM220 energy meter
Menu item
Settings
Address
1
Baud rate
9600
Baud
Parity
None
Stop bits
2