EnerSys Alpha FXM HP 1100, Technical Manual

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0170022-J0 Rev A Page 96
8. Select the type of threshold alarm from the Alarm When Value field.
• Selecting Above turns this alarm into a high threshold alarm.
• Selecting Below turns this alarm into a low threshold alarm.
9. Set the threshold. For a high threshold alarm to activate, the source value must be greater than
this value. For a low threshold alarm to activate, the source value must be less than this value.
10. Set the hysteresis. The hysteresis is important when using an alarm input source that may be
noisy or fluctuate periodically. Be sure to set the hysteresis large enough to avoid false alarms,
but not too large to prevent the alarm from clearing properly.
The new alarm has been configured. Whenever possible, test to ensure that new alarm oper - ates as
expected.
10.3 Controller Maintenance
This section of the manual covers the following:
• Resetting the controller
• Powering down the controller
• Changing the date and time
• Changing the controller language
• Changing user interface strings
10.3.1 Resetting the Controller
You can perform a reset via the web or the LCD screen of the controller. This first procedure covers
resetting from the web.
CAUTION
: Ensure that a backup has been performed before starting this process. Use the Backup
feature accessed through the LCD at Shortcuts > Backup .
CAUTION
: Ensure that the controller software or operating system software is not being updated.
From the web do the following:
1. From the main dashboard go to Controller > Controller Status .
2. Click the
Reset Controller
Button.
3. The Controller Restart window displays progress via a blue bar.