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Ascend Single Phase Charger Operation Manual
Select the alarms you want to be assigned to the relay alarms. A maximum of 6 may be selected. The
relay assignment order is the same as what is in the assignment editor.
Figure 27: Relay Assignments Editor
7.6. Optional Alarms
Set points thresholds listed below are changed Setup -> Adjustments -> Alarm Setup screen.
7.6.1. High DC Disconnect
When enabled, this option (# 2) the AC Input breaker will trip when the DC voltage goes above the set
point threshold (factory default 145Vdc). The High DC disconnect set point may be configured between
120Vdc and 162Vdc with a delay up to 250 seconds. An alarm relay may be configured for remote
annunciation, under normal operation the alarm relay is de-energized.
7.6.2. Low DC Disconnect
When enabled, this option (# 107) the Battery Input breaker will trip when the DC voltage goes below
the set point threshold (factory default 105Vdc). The Low DC disconnect set point may be configured
between 90Vdc and 120Vdc with a delay up to 250 seconds. Battery Input breaker must be included for
this option. An alarm relay may be configured for remote annunciation, under normal operation the
alarm relay is energized.
7.6.3. AC Input CB Open
This option will provide the status of the AC Input breaker position. The breaker position will be
indicated on the Mimic screen, alarm status screen when open, and any changes will be included in the
data log. An alarm relay may be configured for remote annunciation, under normal operation the alarm
relay is energized.
7.6.4. Battery CB Open
This option will provide the status of the Battery Input breaker position. The breaker position will be
indicated on the Mimic screen, Alarm status screen when open, and any changes will be included in the
data log. Battery Input breaker must be included for this option. An alarm relay may be configured for
remote annunciation, under normal operation the alarm relay is energized.
39
95-100167 Rev A
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