Level alarms, Example: alarm limits, Level alarms – 7 – Rockwell Automation FactoryTalk View Site Edition Users Guide User Manual
Page 263

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ETTING
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F
ACTORY
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ALARMS
12–7
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For information about setting up alarm servers in a FactoryTalk View SE application, see:
“Working with Rockwell Automation Device Servers” on page 12-18.
“Working with Tag Alarm and Event Servers” on page 12-21.
Level alarms
A level alarm compares an analog value against predefined limits (also called thresholds)
and triggers an alarm when a limit is exceeded. For information about setting up tag-based
level alarms, see page 12-24.
Level alarm limits
When defining a level alarm, you can assign any of the following limits, with different
levels of severity:
High High
High
Low
Low Low
The High and High High alarm conditions monitor for a rising value, and the Low and
Low Low conditions monitor for a decreasing value.
Example: Alarm limits
Safe zone
6000
4000
3000
1000
Limits
Values
Severity
Time
Increasing
Decreasing
High High
High
Low
Low Low
1000
750
500
250
X
X
O
X
O
O
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