Rockwell Automation Publication 1756-RM003N-EN-P - October 2011 63
FactoryTalk Alarms and Events Logix-based Instructions (ALMD, ALMA) Chapter 1
SeverityInv (Status.2) BOOL Alarm severity configuration is invalid.
If severity <1, the instruction uses Severity = 1.
If severity >1000, the instruction uses Severity = 1000.
AlarmLimitsInv (Status.3) BOOL Alarm Limit configuration is invalid (for example, LLimit < LLLimit). If invalid, the instruction clears all
level conditions active bits. Until the fault is cleared, no new level conditions can be detected.
DeadbandInv (Status.4) BOOL Deadband configuration is invalid. If invalid, the instruction uses Deadband = 0.0.
Valid = 0 ≤ Deadband < Span from first enabled low alarm to the first enabled high alarm.
ROCPosLimitInv (Status.5) BOOL Positive rate-of-change limit invalid. If invalid, the instruction uses ROCPosLimit = 0.0, which disables
positive rate-of-change detection.
ROCNegLimitInv (Status.6) BOOL Negative rate-of-change limit invalid. If invalid, the instruction uses ROCNegLimit = 0.0, which
disables negative rate-of-change detection.
ROCPeriodInv (Status.7) BOOL Rate-of-change period invalid. If invalid, the instruction uses ROCPeriod = 0.0, which disables rate-of-
change detection.
Output Parameter Data Type Description
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