6.7 Meter Connection
Note！
It is necessary to connect meter to inverter otherwise inverter will
shutdown with a “Meter fault” alert.
The smart meter must be authorized by Solax, any third party or
non-authorized meter may not match with the inverter.
Solax will not take the responsibility if the meter is unavailable.
Meter connection diagramØ
Communication interface bewteen inverter and meter is RS485 with two wires.
Meter InterfaceØ
Electrical
grid
Home Electric meter,
Three phase
meter
Load
Meter connection
L
N
Meter Connection Steps:
Ø
Step3. wire one sideTrip the insulation from the communication s, then insert
of wires into the 8 pin green terminal which can be found in accessories package.
( Torque:0.2±0.1Nm)
Step4 Insert the terminal into the corresponding meter terminal block inside of .
the inverter. Insert the other side of wires into corresponding meter ports.
( Torque:0.4±0.1Nm)
Note:please make sure meterA and meterB is connected to port RS485A and RS485B
on the meter.
Step1. Prepare a connector and two communication wires.
Step2. Unscrew the nut of Meter connector and insert two communication
wires through it.
Electrical ConnectionElectrical Connection
38
39
Meterisusedformonitoringthepowerusageforentirehouse,atthemeantime,
inverterwillalsoneedthedatafromMetertoachievetheExportControlFunction.
Three phase inverter can work with several brands of meter, therefore please kindly
noted here we only introduce the connection with inverter side. For the connection
with meter side, please refer to the specified meter user manual.
2
1
GEN_B
GEN_A
Shutdown
+3.3V
GND
485A
485B
1 2 3 4 5 6 7 8
EPS
Note:1, 2 are the function interface of electricity meter;3 and 4 are intelligent switch interfaces;5, 6 are
parallel interface;7 and 8 are reserved interfaces.
COM
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