Output Dry Contacts - Delta Ultron HPH Series User Manual

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
1 Summary Alarm
2 Load On Inverter
3 Load On Bypass
4 Load On Battery
5 Battery Low
Bypass Input
6
Abnormal
7 Battery Test Fail
Parallel
8
Communication Fail
9 Output Overload
10 EPO Activated
Load On Manual
11
Bypass
Battery Over
12
Temperature
Output Voltage
13
Abnormal
Battery Need
14
Replacement
Bypass Static Switch
15
Fault
When any UPS alarm occurs, the UPS will send an signal.
The UPS works in online mode.
The UPS works in bypass mode.
When AC mains is abnormal, the UPS transfers and runs in
Battery mode.
When the UPS runs in battery mode, battery voltage is
lower than setup limit (220Vdc; default).
The bypass voltage, frequency or phase sequence is
abnormal.
In the process of battery test, battery voltage is out of setup
limit.
In parallel mode, parallel communication is abnormal.
When the UPS is overloaded or UPS shutdown, the UPS
transfers and runs in bypass mode.
The EPO button is pressed to urgently power off the UPS.
The Manual Bypass Breaker is switched on and the UPS
transfers to manual bypass mode.
The external battery cabinet's temperature is too high.
The output voltage is out of range.
Battery replacement date is due.
The bypass static switch has open/ short issue.
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Description