4. Comm. & Monitoring
User Manual
27
Monitoring system for multiple inverters
Multiple inverters can be monitored through RS-485 daisy chain configuration.
Internet
Datalogger
PC monitoring
PV Strings
Inverter
PV Strings
PV Strings
Inverter
Inverter
Figure 4.1 Multiple inverter monitoring system(RS485)
DC
RS485
4.1 RS485 communication connection
There are 5 communication terminals on the inverters.
COM1 is a 4-pin connector reserved for WiFi/Cellular datalogger.
2xRS485 ports are for RS485 communication between inverters.
DRM port is for DRM connection.
Meter/CT port is reserved for further development.
Ethernet/Fiber/Cellular
Figure 4.2 2xRS485 ports communication ports IN/OUT.
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