BAC06S SOLAR BATTERY CHARGER USER MANUAL
BAC06S Solar Battery Charger Version 1.0 2017-07-20 Page 15 of 19
7. TERMINAL DEFINITION
BAC06S Mask
Terminal
Function
Description
P+
Solar Power +
Connect to solar cell panel output
P-
Solar Power-
B+
B
Connect with the battery to be charged
B-
Battery -
L+
Load +
Supply power to load
L-
Load -
A
RS485 +
RS485 communication port
B
RS485 -
OUT
Output Port
Normally closed, internal normally closed port connect with B-;
It is output when charger cannot charge the battery after 60s
delay expired (charge failure output); if battery under volt warning
enabled, it is output only when detect battery under volt warning
alarms.
Solar Indicator
Indicator lights up if solar cell panel correctly connect and solar
voltage exceeds 6V. If load over current, battery indicator and
solar indicator flash per 0.5s.
Battery Indicator
Indicator lights up if battery correctly connect to the battery and
battery voltage exceeds 3V;
If fail to charge, battery indicator flashes per 0.5s;
If load over current, battery indicator and solar indicator flash per
0.5s.
NOTE 1: During gen-set is running, high charging current will cause voltage drop in charging line, so
recommend separately connecting to battery terminal to avoid disturbance on sampling precision.
NOTE 2: Power connection order: connecting battery firstly and then solar panel; Power disconnection
order: disconnecting solar panel firstly, and then battery. Please follow the correct sequence to
connect/disconnect power and inhibit to operate energized connection cable in case of damaging the battery.
