
Table of Contents
Documentation statement....................................................................................................................................1
Product description...........................................................................................................................................2
The main function.......................................................................................................................................2
Optional module..........................................................................................................................................3
Terminal description ...................................................................................................................................4
(Optional) PLC expansion module terminal description..............................................................................5
Ground connection and RS485 communication shielded wire....................................................................6
Wiring diagram of monitoring module.............................................................................................................7
(Optional)PLC system network wiring diagram ..............................................................................................8
System diagram..........................................................................................................................................8
Network diagram.........................................................................................................................................9
Networking diagram of the gateway in the inverter.....................................................................................9
Networking diagram of the gateway in the junction box..............................................................................9
PLC wiring in combiner box and inverter..................................................................................................10
UI introduction .................................................................................................................................................11
Key operation ...........................................................................................................................................11
Boot interface ...........................................................................................................................................11
Current interface.......................................................................................................................................11
PLC status interface .................................................................................................................................12
Initial interface display ..............................................................................................................................12
Detailed data interface of channel current and power generation.............................................................12
Parameter settings....................................................................................................................................13
Trip self-test setting interface....................................................................................................................14
Current calibration setting interface..........................................................................................................15
System information display interface........................................................................................................15
Alarm status display interface...................................................................................................................16
DC arc fault alarm interface......................................................................................................................16
Fault alarm clear interface........................................................................................................................16
Alarm information management.....................................................................................................................17
Items that can generate alarms can be set...............................................................................................17
Items that can be tripped by setting..........................................................................................................17
Alarm conditions.......................................................................................................................................17
Alarm message.........................................................................................................................................18
Arc Alarm Strategy....................................................................................................................................18
MODBUS Protocol definition ..........................................................................................................................19