10
follow on-screen instruction to install the monitoring software. For the detailed
software operation, please check user manual of software inside of CD.
Bluetooth Connection
This series is built in Bluetooth technology. You may simply go to google play to
install “WatchPower”. It allows wireless communication up to 6~7m in an open
space.
Dry Contact Signal
There is one dry contact (3A/250VAC) available on the rear panel. It could be used
to deliver signal to external device when battery voltage reaches warning level.
Unit Status
Condition
Dry contact port:
NC & C
NO & C
Power Off
Unit is off and no output is powered.
Close
Open
Power On
Output is powered from Utility.
Close
Open
Output is
powered
from
Battery
power or
Solar
energy.
Program 01
set as USB
(utility first)
Battery voltage < Low DC warning
voltage
Open
Close
Battery voltage > Setting value in
Program 13 or battery charging
reaches floating stage
Close
Open
Program 01
is set as
SBU (SBU
priority) or
SUB (solar
first)
Battery voltage < Setting value in
Program 12
Open
Close
Battery voltage > Setting value in
Program 13 or battery charging
reaches floating stage
Close
Open
BMS Communication
If connecting to lithium battery, it’s requested to buy a special communication cable. For the detailed BMS
communication and installation, please check Appendix B – BMS Communication Installation.
