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
IGRID_AP_I
IGRID_AN_I
IGRID_BP_I
IGRID_CP_I
IGRID_CN_I
IGRID_BN_I
RS485_A
RS485_B
1 2 3 4 5 6 7 8
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.
Meter Connection Steps:
Ø
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
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.
DRM
CT
Dry contact
BMS-485
BMS-CAN
Parallel
NTC
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