Logix5000 Controllers General Instructions - SLAC Confluence

Analog Alarm Instruction (ALMA) 57Output Parameter Data Type DescriptionHHInAlarmUnack BOOL Indicates whether the high-high alarm isactive (InAlarm) and unacknowledged.Set - Alarm is both active (InAlarm) andunacknowledged.Cleared - Alarm is either inactive oracknowledged (or both).HInAlarmUnack BOOL Indicates whether the high alarm is active(InAlarm) and unacknowledged.Set - Alarm is both active andunacknowledged.Cleared - Alarm is either inactive oracknowledged (or both).LInAlarmUnack BOOL Indicates whether the low alarm conditionis active (InAlarm) and unacknowledged.Set - Alarm is both active andunacknowledged.Cleared - Alarm is either inactive oracknowledged (or both).LLInAlarmUnack BOOL Indicates whether the low-low alarmcondition is active (InAlarm) andunacknowledged.Set - Alarm is both active andunacknowledged.Cleared - Alarm is either inactive oracknowledged (or both).ROCPosInAlarmUnack BOOL Indicates whether the positiverate-of-change alarm condition is active andunacknowledged.Set - Alarm is both active (InAlarm) andunacknowledged.Cleared - Alarm is either inactive oracknowledged (or both).ROCNegInAlarmUnack BOOL Indicates whether the negativerate-of-change alarm condition is active andunacknowledged.Set - Alarm is both active (InAlarm) andunacknowledged.Cleared - Alarm is either inactive oracknowledged (or both).Publication 1756-RM003I-EN-P - January 2007