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This UPS offers users the solution for UPS status monitoring via two output relays. Refer to Network Operation in this
manual, verifying the UPS is connected to a computer with PowerPanel Business software installed or is equipped with
RMCARD. Follow below circuit to wire your dry contact port and choose your preferred monitoring status via those
interfaces.
UPS status which can be monitored by dry contact is listed below:
UPS Status UPS Conditions
Power Failure* UPS detects utility failure.
Battery Low* Battery capacity is lower than threshold.
Summary Alarm
UPS exits alarms due to Inverter Fault, Output Short, Over Temperature, Overload, Battery
Overcharge, Low Battery, Battery Disconnected, and Battery Defect.
UPS Fail UPS has malfunctioned due to Inverter Fault, DC Power Fault, and Over Temperature.
*Default settings of relay contacts are Power Failure and Battery Low (Normally Open).
Internal Circuit
Relay Status UPS Status
Pin1 short to Pin5 Battery Low
Pin8 short to Pin5 Power Failure
Example Application
Supply 12VDC to the Common contact and connect LEDs to the DB9 port Pin1 and Pin8. When UPS detects utility
failure or when UPS battery capacity is lower than threshold, the connected LEDs will illuminate.
1
6
2
7
3
4
5
8
9
Relay 1
Relay 2
Common (for relays)
Battery Low
Power Failure
1
6
2
7
3
4
5
8
9
Battery Low
Common (for relays)
Power Failure
12V
DRY CONTACT
Output Relay Rating
Voltage: 30VDC Max
Current: 3A Max (per relay)
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