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DES-3901-S and DNS-3901-S Installation and Operation Manual 39
Chapter 3: Operation
Alarms
DES-3901-S and DNS-3901-S modules provide a default list of eleven
alarms. You can disable any alarm by modifying the
Alarms parameter
in the Setup section.
When you select Alarms , all of the active alarms are visible in the
display, below Config (Configurations). If no alarms are active, only
Config appears.
Alarm Synchronization
Alarm synchronization is available for this module if your NEO frame
contains a 3901RES-E resource module that supports the feature. When
active, alarm synchronization ensures that the alarm configuration
settings of card-edge controls and the CCS control software and control
panels are consistent.
If the DES-3901-S and DNS-3901-S module s are set for local control,
the alarm settings will appear the same at both the card edge and via
CCS, but the settings can only be changed using the card-edge controls.
If the module is set for remote control, the alarm settings can be
changed via both the card edge and CCS control software and control
panels.
Alarm configuration settings undergo DejaView (state recovery)
automatically. This means that when a module is hot-swapped, the
alarm configuration for the new module is updated to the settings of the
module that was previously in that slot. See “State Recovery Parameter
Availability” in this chapter for more information.
Identifying the Cause of an Alarm
To identify the reason for an alarm, select the active alarm, and then
press
Enter . A scrolling message appears on the VFD describing the
cause of the fault.