15
Solarpower24.it by Barba S.r.l. – via Locchi, 3F – 47122-Forlì – Italia
Tel/What’s up +39 05431995799 – web www.solarpower24.it – email solarpower24@solarpower24.it
This unit is equipped with a Wi-Fi transmitter. Wi-Fi transmitter can enable wireless communication between
off-grid inverters and monitoring platform. Users can access and control the monitored inverter with
downloaded APP. You may find “WatchPower” app from the Apple
®
Store or “WatchPower Wi-Fi” in Google
®
Play Store. All data loggers and parameters are saved in iCloud. For quick installation and operation, please
check Appendix III.
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 Battery
power or
Solar energy.
Program 01
set as USB
(utility first)
or SUB (solar
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)
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
It is recommended to purchase a special communication cable if you are connecting to Lithium-Ion battery
banks. Please refer to
Appendix II- BMS Communication Installation
for details.
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