Rectifier alarms, User’s guide, Network management card – APC Network Management Card AP9617 User Manual
Page 51

®
USER’S GUIDE
network management card
49
From the
Rectifiers
sub-menu, type
2
for configurable
Rectifier Alarms
:
Rectifier Alarms
Description
1- High Voltage
Alarm
The alarm action that occurs if the High Voltage Threshold has
been violated. See
.
Allowed values: any standard alarm selection
a
.
2- Low Voltage
Alarm
The alarm action that occurs if the Low Voltage Threshold has been
violated. See
Allowed values: any standard alarm selection
a
.
3- Configuration
Alarm
The alarm action that occurs if a new rectifier is detected that was
not present when the system was rebooted or powered on.
Allowed values: any standard alarm selection
a
.
4- 1 of N Alarm
The alarm action that occurs if one rectifier fails in a DC Power
Plant with multiple rectifiers
Allowed values: any standard alarm selection
a
.
5- 2 of N Alarm
The alarm action that occurs if two or more rectifiers fail.
Allowed values: any standard alarm selection
a
.
6- Diagnostic
Alarm
The alarm action that occurs in response to a diagnostic alarm for
the rectifier controller.
Allowed values: any standard alarm selection
a
or n of N
b
.
7- Imbalance
Alarm
The alarm action that occurs for rectifier imbalance.
Allowed values: any standard alarm selection
a
or n of N
b
.
a
Standard alarm selections:
•
Major
activates the major relay.
•
Minor
activates the minor relay.
•
Relay 1
through
Relay 6
activates the relay specified.
•
Ignore
ignores the alarm.
b
n of
N
activates the alarm setting for menu item 4 (1 of N) if one rectifier fails, or
activates the alarm setting for menu item 5 (2 of N) if two or more rectifiers fail.