Communication Connection; Dry Contact Signal - MPP Solar PIP-HS User Manual

Communication Connection

Please use supplied communication cable to connect to inverter and 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 signal to external
device when battery voltage reaches warning level.
Unit Status
Power Off Unit is off and no output is powered.
Output is powered from Utility.
Output
powered
from Battery
or Solar.
Power On
Condition
is Program 01 Battery voltage < Low DC
set as Utility warning voltage
Battery voltage > Setting
value in Program 13 or
battery charging reaches
floating stage
Program 01 is Battery voltage < Setting
set as SBU or value in Program 12
Solar first
Battery voltage > Setting
value in Program 13 or
battery charging reaches
floating stage
11
Dry contact port:
NC & C NO & C
Close Open
Close Open
Open Close
Close Open
Open Close
Close Open