Sungrow SG2K-S User Manual page 47

User Manual
3. Connect the cables to the meter.
− (a) Tighten the power supply wires to
terminal 3 (L) and terminal 6 (N).
− (b) Tighten the RS485 wires to
terminal 2 and terminal 5.
− (c) Place the 1-phase sensor around
the phase wire (L) from the main
switch.
The CT clamp of 1-phase sensor
can be placed before or after the
main switch.
Make sure that the CT clamp of 1-phase sensor is installed in the right
direction: the arrow on the sensor must point away from the grid
towards the load.
For Three-phase Energy Meter
1. Take out the communication connector from inverter's packaging, and
the meter and RS485 cable from the meter's packaging.
2. Unscrew the swivel nut from the cable gland and remove the waterproof
plug from the left inlet. Lead the A and B plugs from inside out through
the communication connector. This will result in the cable with the RJ45
plug on the inside end, and the A and B plugs on the outside.
Communication connector
5 Electrical Connection
c
Grid
Load
A
B
Meter RS485 cable
b
a
L N
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