Rockwell Automation Publication 2715P-UM001C-EN-P - March 2019
75
Monitor and Manage Control System Alarms
Chapter 4
Event Category
• Digital events are categorized as discrete.
• Analog events are categorized as level.
Event Time
The date and time the alarm event occurred.
In Alarm Time
The time the selected alarm entered the In Alarm state.
Inhibit State
The value that is applied to the alarm condition that inhibits the alarm at some level.
These states, indicated by an icon in the alarm table, include:
• Bad Quality
•
• Disabled
•
• Suppressed
•
• Shelved
These states can be combined. When an alarm has multiple inhibit states that are
applied, the icon of the highest inhibit state appears in the table.
Limit Value Exceeded
The condition limit that is assigned to the alarm in the Studio 5000 Logix Designer
project.
Max Shelve Duration
The maximum time the alarm can be shelved.
Message
The message that is assigned to the alarm in the Studio 5000 Logix Designer project.
Name
The name of the alarm. This name includes the controller name of the alarm and the
tag name. It can also include the name of the program if the tag is defined at the
program level. Therefore, the alarm name can be configured in these configurations:
::ControllerName.TagName
Or
::ControllerName\ProgramName.TagName
Out of Alarm Time
The time the selected alarm entered the Normal or Inactive state.
Priority
The urgency of the alarm condition:
• Low
• Medium
• High
• Urgent
Quality
The list of reasons why the alarm is of bad quality. This field is blank in the alarm
summary because the alarm summary does not show bad quality alarms.
Severity
The numeric value that is mapped to the assigned priority of the alarm condition:
• 1…250 (low)
• 251…500 (medium)
• 501…750 (high)
• 751…1000 (urgent)
Shelve Duration
The default time for which the selected alarm condition is shelved to prevent the
notification of new state changes. Shelve duration is assigned to the alarm in the Studio
5000 Logix Designer project.
Shelve Time
The time the selected alarm was shelved.
Suppress Time
The time the selected alarm was suppressed.
Tag 1 Value
The value of the associated tag parameter 1.
Tag 2 Value
The value of the associated tag parameter 2.
Tag 3 Value
The value of the associated tag parameter 3.
Tag 4 Value
The value of the associated tag parameter 4.
Unshelve Time
The time the selected alarm was unshelved. If the alarm is shelved, this time is the time
that the alarm is unshelved automatically when the shelve duration expires.
Unsuppress Time
The time the selected alarm was unsuppressed.
Table 20 - Alarm Detail Descriptions (Continued)
Alarm Detail
Description
Содержание Allen-Bradley PanelView 5510 Series
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