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4.7.2 Output Dry Contacts
The HPH UPS provides four sets of programmable output dry contacts for you to receive UPS
events. Please see
Figure 4-8
. The output dry contacts are normally open. There are eighteen
events for you to select, and you can choose four of them to set up the output dry contacts.
Please refer to the table below.
No.
Event
Description
1
Summary Alarm
When any UPS alarm occurs, the UPS will send an signal.
2
Load On Inverter
The UPS works in online mode.
3
Load On Bypass
The UPS works in bypass mode.
4
Load On Battery
When AC mains is abnormal, the UPS transfers and runs in
Battery mode.
5 Battery
Low
When the UPS runs in battery mode, battery voltage is
lower than setup limit (220Vdc; default).
6
Bypass Input
Abnormal
The bypass voltage, frequency or phase sequence is
abnormal.
7 Battery
Test
Fail
In the process of battery test, battery voltage is out of setup
limit.
8
Parallel
Communication Fail
In parallel mode, parallel communication is abnormal.
9 Output
Overload
When the UPS is overloaded or UPS shutdown, the UPS
transfers and runs in bypass mode.
10
EPO Activated
The EPO button is pressed to urgently power off the UPS.
11
Load On Manual
Bypass
The Manual Bypass Breaker is switched on and the UPS
transfers to manual bypass mode.
12
Battery Over
Temperature
The external battery cabinet’s temperature is too high.
13
Output Voltage
Abnormal
The output voltage is out of range.
14
Battery Need
Replacement
Battery replacement date is due.
15
Bypass Static Switch
Fault
The bypass static switch has open/ short issue.
Summary of Contents for Ultron HPH Series
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