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User Manual V1.0-2022-05-10
06 Electrical Connection
6�5 Communication
6�5�1 Connecting the Communication Cable (optional)
Communication Type COM
Port
Port
Definition
Function Description
RS485
COM2
1: RS485 B
2: RS485 B
3: RS485 A
4: RS485 A
Used to connect the inverter to other
inverters or the RS485 port on the data
logger.
Meter Communication
5: Meter +
6: Meter -
Realize the anti-backfeed function by
connecting the meter and the CT. Contact
the manufacturer to purchase the
devices if you need them.
DRED
COM3
1: DRM1/5
2: DRM2/6
3: DRM3/7
4: DRM4/8
5: REFGen
6: Com/DRM0
The DRED port is reserved in compliance
to grid regulations in Australia and New
Zealand. Related devices should be
prepared by customers.
Remote Shutdown
+:DRM4/8
-: REFGen
The Remote Shutdown port is reserved in
compliance to grid regulations in Europe.
Related devices should be prepared by
customers.
NOTICE
Make sure that the communication device is connected to the right COM port. Route the
communication cable far away from any interference source or power cable to prevent the
signal from being influenced.
