Logix5000 Controllers General Instructions - SLAC Confluence

48 Analog Alarm Instruction (ALMA)Analog Alarm OperandsThese operands are located on the instruction.Ladder Logic OperandsOperand Type Format DescriptionALMA tag ALARM_ANALOG structure ALMA structureInREALDINTINTSINTTagImmediateValue is copied to .In wheninstruction executes. Thealarm input value, which iscompared with alarm limits todetect the alarm conditions.ProgAckAll BOOL TagImmediateProgDisable BOOL TagImmediateProgEnable BOOL TagImmediateValue is copied to .ProgAckAllwhen instruction executes. Ontransition from False to True,acknowledges all alarmconditions that requireacknowledgement.Value is copied to.ProgDisable when instructionexecutes. When True,disables alarm (does notoverride Enable Commands).Value is copied to .ProgEnablewhen instruction executes.When True, enables alarm(takes precedence overDisable commands).HHlimit REAL Immediate High High alarm limitHLimit REAL Immediate High alarm limitLLimit REAL Immediate Low alarm limitLLLimit REAL Immediate Low low alarm limitStructured Text OperandsALMA(ALMA,In,ProgAckAll,ProgDisable,ProgEnable)Publication 1756-RM003I-EN-P - January 2007