Delta Ultron HPH series User Manual

4-7
4
Communication Interfaces
No. Event Description
1
External input switch or breaker
detection.
Detect the external input switch or breaker’s
status (default: S1).
2
External bypass switch or
breaker detection.
Detect the external bypass switch or breaker’s
status (default: S2).
3
External output switch or
breaker detection.
Detect the external output switch or breaker’s
status (default: S3).
4
External manual bypass switch
or breaker detection.
Detect the external manual bypass switch or
breaker’s status (default: S4).
4.1.5 Output Dry Contacts
There are six sets of programmable output dry contacts (see Figure 4-9). Please use the
touch panel to set each dry contact as normally open (NO) or normally closed (NC). Each
dry contact can be assigned with a specific event. Six out of twenty-one events can be
assigned according to your applications. To learn how to set up, please contact your local
dealer and refer to 7.10.6 Dry Contact Setting. For the twenty-one events, please refer to
the table below.
NOTE:
Since the output dry contacts belong to the secondary circuit, the voltage of each
dry contact’s connected device should not exceed 60Vdc/ Vac to avoid electric
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Delta Ultron HPH series Specifications

General

Brand	Delta
Model	Ultron HPH series
Category	UPS
Language	English