Safety Considerations Guide, Tricon v9.0 - Tuv-fs.com

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112 TR_VOTE_MODE Function BlockParameter Type DescriptionOutput TMR BOOL Three critical I/O channels operatingDUAL BOOL Dual modeSINGL BOOL Single modeZERO BOOL Zero modeRuntime Error Code Return Value ConditionEBADPARAMBad parameterNote If there is a programming error, then CO is false and the mode outputs areset to false.AttributeApplication TypeProgramming UsageCEM FeatureUsageSafety, ControlSpace SaverN/ALibraryTriconRelated TopicsTR_64_POINT_STATUSTR_CALENDARTR_CRITICAL_IOTR_MP_STATUSTR_PEER_STATUSTR_POINT_STATUSTR_PORT_STATUSTR_PROGRAM_STATUSTR_SCAN_STATUSTR_SHUTDOWNTR_SLOT_STATUSTricon Safety Considerations Guide
TR_VOTE_MODE Function Block 113Structured TextFUNCTION_BLOCK TR_VOTE_MODEVAR_INPUTCI : BOOL := TRUE ; (* Control in. *)IN_TMR : BOOL ; (* 3 channels operating. *)GE_DUAL : BOOL ; (* 2 or more channels operating. *)GE_SINGLE : BOOL ; (* 1 or more channels operating. *)END_VARVAR_OUTPUTCO : BOOL ; (* Control out. *)TMR : BOOL ; (* Triple Modular Redundant. *)DUAL : BOOL ; (* Dual mode. *)SINGL : BOOL ; (* Single mode. *)ZERO : BOOL ; (* Zero mode. *)END_VARVARU : BOOL ; (* Unused Value. *)END_VAR(**=F===============================================================================* FUNCTION_BLOCK: TR_VOTE_MODE* Purpose: Convert redundancy status.** Return: none** Remarks:* 1. Convert redundancy status (TMR, GE_DUAL, GE_SINGLE)* to (TMR, DUAL, SINGL, ZERO).* 2. "GE_" denotes "greater than or equal to".* 3. CO is true if CI is true and there is no programming error.** Runtime Errors* EBADPARAM Bad parameter* CO=false indicates a programming error if CI=true.* The outputs are all false if there is a programming error.*=F==============================================================================*)CO := CI ;IF CI THENCO := GE_DUAL AND GE_SINGLE OR NOT GE_DUAL AND NOT IN_TMR;IF CO THENTMR := IN_TMR ;DUAL := GE_DUAL AND NOT IN_TMR ;SINGL := GE_SINGLE AND NOT GE_DUAL ;ZERO := NOT GE_SINGLE ;ELSEU := ReportBadParam(0) ;TMR := FALSE ;DUAL := FALSE ;SINGL := FALSE ;ZERO := FALSE ;END_IF ;END_IF ;END_FUNCTION_BLOCKAppendix BShutdown Function Blocks
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TriconVersion 9Safety Consideration
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AcknowledgementTriconex acknowledge
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viRelated DocumentsRelated Document
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viiiHow to Contact TriconexHow to C
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xTrainingFor Turbomachinery Systems
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xiCONTENTSAbout This Guide ........
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xiiiAnalog Input Module Alarms ....
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CHAPTER 1Safety ConceptsThis chapte
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Safety Overview 3Protection LayersT
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Hazard and Risk Analysis 5Hazard an
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Hazard and Risk Analysis 7Completio
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Hazard and Risk Analysis 9Equation
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Hazard and Risk Analysis 11Flowchar
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Hazard and Risk Analysis 13Some key
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Safety Standards 15Safety Standards
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Safety Standards 17Application-Spec
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CHAPTER 2Application GuidelinesThis
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General Guidelines 21• Under cert
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Guidelines for Tricon Controllers 2
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CHAPTER 3Fault ManagementThis chapt
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System Diagnostics 39System Diagnos
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Operating Modes 41Operating ModesEa
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Module Diagnostics 43Module Diagnos
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Module Diagnostics 45Relay Output M
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Module Diagnostics 47System Attribu
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CHAPTER 4Application DevelopmentThi
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Important TriStation Commands 51Imp
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Setting Scan Time 53Setting Scan Ti
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Sample Safety-Shutdown Programs 55S
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Sample Safety-Shutdown Programs 57I
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Sample Safety-Shutdown Programs 59A
Page 77 and 78: Sample Safety-Shutdown Programs 61P
Page 79 and 80: Sample Safety-Shutdown Programs 63O
Page 81 and 82: Sample Safety-Shutdown Programs 65D
Page 83 and 84: Sample Safety-Shutdown Programs 67P
Page 85 and 86: APPENDIX APeer-to-Peer Communicatio
Page 87 and 88: Data Transfer Time 71ParameterTS =S
Page 89 and 90: Examples of Peer-to-Peer Applicatio
Page 91 and 92: TR_CRITICAL_IO Function Block 75TR_
Page 93 and 94: TR_CRITICAL_IO Function Block 77Par
Page 95 and 96: TR_CRITICAL_IO Function Block 79Str
Page 97 and 98: TR_CRITICAL_IO Function Block 81CO
Page 99 and 100: TR_SHUTDOWN Function Block 83Parame
Page 101 and 102: TR_SHUTDOWN Function Block 85Relate
Page 103 and 104: TR_SHUTDOWN Function Block 87* Exam
Page 105 and 106: TR_SHUTDOWN Function Block 89TIMER_
Page 107 and 108: TR_VOTE_MODE Function Block 91Param
Page 109 and 110: TR_VOTE_MODE Function Block 93Appen
Page 111 and 112: APPENDIX BShutdown Function BlocksT
Page 113 and 114: TR_CRITICAL_IO Function Block 974 R
Page 115 and 116: TR_CRITICAL_IO Function Block 99Rel
Page 117 and 118: TR_CRITICAL_IO Function Block 101*
Page 119 and 120: TR_SHUTDOWN Function Block 103TR_SH
Page 121 and 122: TR_SHUTDOWN Function Block 105Param
Page 123 and 124: TR_SHUTDOWN Function Block 107Struc
Page 125 and 126: TR_SHUTDOWN Function Block 109IF CI
Page 127: TR_VOTE_MODE Function Block 111TR_V
Page 131 and 132: Index 115IndexAactual scan time 53a
Page 133 and 134: Index 117Modbus master functions 25
Page 135 and 136: Index 119timescan 53TMR architectur
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