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The ComBox WiFi supports the following EASTRON energy meter model:
•
SDM630DC Modbus
•
SDM630CT Modbus
•
SDM120 Modbus
•
SDM220 Modbus
•
SDM230 Modbus
Fig. 4-6: System Connection with EASTRON smart energy meter
Smart meter "+/-" Pac means
：
Import power from grid/export
power to grid
ComBox smart meter communication parameters: Baud rate
9600bps; parity is none; 1 stop bit.
The maximum cable length of RS485 is 1000m.
Communication quality will be affected if the distance is longer
than this value.
