About limit alarm checking
- Last UpdatedJul 18, 2024
- 1 minute read
Generic limit checking done for all high limit alarms are:
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If PV > Limit, then record Time and Current PV, set the alarm condition, and send the alarm notification.
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If PV <= Limit – ValueDeadband, then clear the condition and send the notification of the clear.
Generic limit checking for low limit alarms:
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If PV < Limit, then record the Time and Current PV, set the alarm condition, and send the alarm notification.
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If PV >= Limit + ValueDeadband, then clear the condition and send the notification of the clear.