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7-3
Alarm Configuration
To configure the Over Current Alarms, access the MPC command mode using a
password that permits Administrator Level commands, and then proceed as follows:
• Text Interface: Type /AC and then press [Enter] to display the Alarm Configuration
Menu. From the Alarm Configuration Menu, key in the number for the alarm that
you wish to configure and then press [Enter].
• Web Browser Interface: Click the "Alarm Configuration" link, located on the left
hand side of the screen to display the Alarm Configuration Menu. From the Alarm
Configuration Menu, click on the link for the alarm that you wish to configure.
Note that the configuration menus for the Over Current Alarms offer essentially the same
set of parameters, but the parameters defined for each alarm are separate and unique.
Therefore, parameters defined for a Critical Alarm will not be applied to an Initial Alarm
and vice versa.
The Over Current Alarm Configuration Menus offer the following parameters:
• Trigger Enable: Enables/Disables the trigger for this alarm. When Disabled, this
alarm will be suppressed. (Default = On.)
Note: To cancel an alarm without correcting the condition that caused the
alarm, simply toggle the Trigger Enable parameter Off and then back On again.
• Alarm Set Threshold: The trigger level for this alarm. When current load exceeds
the Alarm Set Threshold, the MPC can send an alarm (if enabled) and/or begin
load shedding (if enabled.) Note that the Alarm Set Threshold is entered as a
percentage of maximum capacity and is applied to both Over Current Branch Alarm
and Over Current Line Alarm (if present.) (Defaults: Initial Alarms = 80%;
Critical Alarms = 90%.)
• Alarm Clear Threshold: Determines how low the current load must drop in
order for the Alarm condition to be cancelled and for load shedding recovery (if
enabled) to occur. Note that the Alarm Clear Threshold is entered as a percentage
of maximum capacity and is applied to both Over Current Branch Alarm and Over
Current Line Alarm (if present.) (Defaults: Initial Alarms = 70%;
Critical Alarms = 80%.)
• Resend Delay: Determines how long the MPC will wait to resend an email
message generated by this alarm, when the initial attempt to send the notification
was unsuccessful. (Default = 60 Minutes.)
• Notify Upon Clear: When this item is enabled, the MPC will send additional
notification when the situation that caused the alarm has been corrected. For
example, when Notify Upon Clear is enabled, the MPC will first send notification
when it detects that current consumption has exceeded the trigger value, and then
send a second notification when it determines that the current consumption has
fallen below the trigger value. (Default = On.)