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Logix5000 Controllers General Instructions - SLAC Confluence

Logix5000 Controllers General Instructions - SLAC Confluence

Logix5000 Controllers General Instructions - SLAC Confluence

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Table of ContentsSummary of Changes Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Updated Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Preface Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Who Should Use This Manual . . . . . . . . . . . . . . . . . . . . . . . 17Purpose of This Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Common Information for All <strong>Instructions</strong> . . . . . . . . . . . . . . . 19Conventions and Related Terms. . . . . . . . . . . . . . . . . . . . . . 19Set and clear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Relay ladder rung condition . . . . . . . . . . . . . . . . . . . . . . 20Function block states . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Instruction Locator Where to Find an Instruction . . . . . . . . . . . . . . . . . . . . . . . . 23Chapter 1Digital Alarm Instruction (ALMD) Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31About Operator Parameters . . . . . . . . . . . . . . . . . . . . . . 31Using the ALMD Instruction to Subscribe to and DisplayAlarms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Digital Alarm Operands. . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Ladder Logic Operands . . . . . . . . . . . . . . . . . . . . . . . . . 32Structured Text Operands. . . . . . . . . . . . . . . . . . . . . . . . 32Function Block Operands. . . . . . . . . . . . . . . . . . . . . . . . 33Structure Definition for ALARM_DIGITAL Tag . . . . . . . . . . . 34Input Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Output Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Ladder Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Function Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Execution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42Ladder Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42Function Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42Digital State Timing Diagrams . . . . . . . . . . . . . . . . . . . . . . . 43Alarm Acknowledge Required and Latched . . . . . . . . . . . 43Alarm Acknowledge Required and Not Latched. . . . . . . . 44Alarm Acknowledge Not Required and Latched. . . . . . . . 45Alarm Acknowledge Not Required and Not Latched . . . . 46Chapter 2Analog Alarm Instruction (ALMA) Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47About Operator Parameters . . . . . . . . . . . . . . . . . . . . . . 47Using the ALMA Instruction to Subscribe to and DisplayAlarms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47Analog Alarm Operands . . . . . . . . . . . . . . . . . . . . . . . . . . . 48Ladder Logic Operands . . . . . . . . . . . . . . . . . . . . . . . . . 48Structured Text Operands. . . . . . . . . . . . . . . . . . . . . . . . 48Function Block Operands. . . . . . . . . . . . . . . . . . . . . . . . 49Structure Definition For ALARM_ANALOG Tag . . . . . . . . . . . 50Input Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 505 Publication 1756-RM003I-EN-P - January 2007

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