.27.
.26.
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 . Multiple inverter monitoring system
4 1
(
)
RS485
DC
RS485
There are 5 communication terminals on the inverters. COM1 is a 4-pin connector reserved
for WiFi/Cellular datalogger. COM2 and COM3 are RS485 connection between inverters
and both RJ45 and Terminal block are provided for use .
Inverter
PV Strings
Inverter
PV Strings
Inverter
PV Strings
Inverter
PV Strings
Grid
Transformer
PLC CCO
Datalogger
DC
AC
PLC
RS485
PLC is available for multiple inverter monitoring.
One of the RS485 and PLC communication methods is available.
NOTE
Figure . Multiple inverter monitoring system
4 2
(
)
PLC
4.1 RS485 and PLC communication connection
4. Communication & Monitoring
4. Communication & Monitoring