11
Communication Connection
Please use supplied communication cable to connect inverter to PC. Insert bundled CD into a
computer and follow on-screen instruction to install the monitoring software. For the detailed
software operation, please check user manual of software inside of CD.
Dry Contact Signal
There is one dry contact (3A/250VAC) available on the rear panel. It could be used to deliver a
signal to an external device when the battery voltage reaches warning levels to start a generator.
Unit status
Condition
NC&C
NO&C
Power Off
Unit is off and no output is powered.
Close
Open
Power On
output is powered from “AC in”
Close
Open
Output is
powered from
Battery or
Solar.
Program 01
set as “AC
in”
Battery voltage<Low DC
warning voltage
Open
Close
Battery voltage>Setting value
in Program 21 or battery
charging reaches floating stage
Close
Open
Program
01is set as
SBU, SUB,
solar first
Battery voltage<Setting value
in Program 20
Open
Close
Battery voltage>Setting value
in Program 21 or battery
charging reaches floating stage
Close
Open
Connecting the CAN Cable
The CAN cable enables communication between the inverter and Li-ion batteries with a CAN
ports. The RS485 port on the inverter is used to communicate with the battery. Below chart shows
the pin configuration of the inverter.
Dry
contact
port:
