Alpha Technologies Cordex Controller Ver.2.0 - Manual (Page 48)

Refer to the back of this manual for Factory Service and Technical Support contact information
Alpha Technologies Ltd. 034-136-C0 Rev B WC
Printed in Canada. © 2010 Alpha Technologies Ltd. ALPHA and CORDEX are trademarks of Alpha Technologies Ltd. All Rights Reserved. Page 46 of 122
6.5 Alarms
This menu category consists of power system alarms. Parameters can be set/accessed such as power system
high/low voltage alarms, AC Mains high/low voltage alarms, Supervisor programmable alarms and alarm tone
enable (audible alarm buzzer).
All voltage-related alarms (HVA 1 and 2, LVA 1 and 2) are based on voltage readings taken from analog input
channel for the power system’s BATTERY VOLTAGE.
See Table I for factory default settings.
6.5.1 Definitions
Major — This alarm consists of a group of alarm conditions that are considered serious or an immediate threat to
service. The red front panel LED illuminates and the Major Alarm icon displays on the GUI.
Minor — This alarm consists of alarm conditions that are considered to be of a less serious nature or not an
immediate threat to service. The yellow front panel LED illuminates and the Minor Alarm icon displays on the GUI.
Message — This is a non-audible non-priority alert. There is no change of LED activity and the Message icon
displays on the GUI. The Supervisor may define the condition(s) and set relays to change.
Rectifier Major Fail Count — This alarm is the count of the number of rectifiers that are in a fail condition
resulting in a major alarm or an immediate threat to service. The setting can be adjusted in the RECTIFIER
MAJOR FAIL COUNT submenu.
Rectifier Minor Fail Count — This alarm is the count of the number of rectifiers that are in a fail condition
resulting in a minor alarm or non-immediate threat to service. The setting can be adjusted in the RECTIFIER
MINOR FAIL COUNT submenu.
Rectifier Minor Alarm — This is an alarm condition detected in a rectifier but is not considered an immediate
threat to the operation of that rectifier.
Rectifier Fail Alarm — This is an alarm condition detecting a true or actual rectifier failure.
ALCO — Alarm cutoff (see Cutoff All Alarms button on page 23) will silence all ALCO enabled alarms as well as
change relay state. For controls, the relay does not change state – only the audible alert is silenced.
6.5.2 Alarm Icons
The following icons display on the GUI to indicate condition and priority:
— An active alarm condition.
— An alarm condition that has been silenced.
— A power system Major Alarm.
— A power system Minor Alarm.
— A power system Message alert.
— Rectifier Information accompanied by the number of rectifiers in the system.
— Power Save feature enabled and active accompanied by the number of rectifiers shut down.