Sofar solar CHINT DDSU666 Series - Direct Connection Installation; Check Installation Result; Current Direction Verification; RS485 Communication Check

Single-Phase Meter Quick Installation Guide
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2
(2) Direct Connection
3. Check Installation Result
1. Current Direction
For CT connection type, closed the loads, meter shows import direction power (Imp); open the loads, meter shows export direction
power (Exp), then the connection direction is correct.
2. RS485 Communication
When enable the meter function, inverter will report an alarm when RS485 connection is incorrect, please check the RS485 connection
when meet this situation, normally can fix by using switch the positive and negative pole.
4. Interface
When meter is in normal working condition, indicated light is on and flashing. If indicated light is not flashing or off, please check if
the meter connection is correct.
(1)
CT connection type