SolaX Power X1-Fit-3.7E - Meter Connection

6.5 Meter Connection
Note！
It is necessary to connect meter to inverter otherwise inverter will
shutdown with a “Meter fault” alert.
The meter communication only works when meter is compatible
with the inverter.
Meter connection diagramØ
Communication interface bewteen inverter and meter is RS485 with a RJ45
connector.
Meter PIN DefinitionØ
Electrical
grid
Home Electric meter,
Single phase
meter
Load
Meter connection
L
N
X X X
485A
485B X X X
1 2 3 4 5 6 7 8
Meter Connection Steps:
Ø
1
8
Electrical ConnectionElectrical Connection
32 33
Meterisusedformonitoringthepowerusageforentirehouse,atthemeantime,
inverterwillalsoneedthedatafromMetertoachievetheExportControlFunction.
EPS
CAN/G EN
LAN/D RM
Grid
WiFi
RF
BMS/Meter
Upgra de
+
PV1 PV2 B AT
+ +
- - -
ON
OFF
Please refer to BMS connection steps (page32) for Meter connection. Please kindly
noted the PIN definition and port position will be slightly different.
Step1,2
Step3
Step4. Insert one Rj45 side of the cable into Meter port inside of inverter and the
other side into RS485 or Can port of the meter.
Step4
BMS Port: The first RJ45 port from right side
Meter
Step3. Assemble the cable gland and screw the cable nut.
Step1. Disassemble the BMS/Meter cable gland.
Step2. Prepare a communication cable(without sheath) and insert the commu-
nication cable through the cable nut.
The seal is used for waterproof. Please
make sure it has been kept back.