MSW S-POWER UPS 800 PSW Manual De Instrucciones página 75

d) After software interface language change You can start using the software to
monitor the UPS:
DRY CONTACT SIGNAL
There is one dry contact (3A/250V AC) 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
Power ON
powered
Condition
Output is powered from utility.
Program
01 set as
from utility.
EN
Battery
voltage <
Low DC
Dry contact port
NC & C NO & C
Close Open
Close Open
Open Close