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

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90 TR_VOTE_MODE Function BlockTR_VOTE_MODE Function BlockConverts Redundancy StatusThe TR_VOTE_MODE function block provides an easy way to convertredundancy status from one voting mode to another, as shown in the followingtruth table.TMR GE_DUAL GE_SINGLE TMR DUAL SINGL ZEROT T T T F F FF T T F T F FF F T F F T FF F F F F F TOther 1F F F F1. If there is an error in the inputs, then CO is false, the mode outputs are false, and the functionblock reports a bad parameter error (EBADPARAM).Note To save memory and reduce scan time when using this function block,create a single instance of the function block in your program and invoke itmultiple times. Do not use the same instance more than once in a network.Parameter Type DescriptionInputs CI BOOL Control In—enables operationIf CI=FALSE, then CO=FALSE—there is nochange in the output valueIf CI=TRUE and ERROR_NUM=0, then CO=TRUEIN_TMR BOOL Three critical I/O channels operatingGE_DUAL BOOL Two or more critical I/O channels operatingGE_SINGLE BOOL One or more critical I/O channels operatingOutputs CO BOOL Control Out—indicates completion of theoperation with no errorsTricon Safety Considerations Guide
TR_VOTE_MODE Function Block 91Parameter 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_STATUSAppendix APeer-to-Peer Communication
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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
Page 55 and 56: System Diagnostics 39System Diagnos
Page 57 and 58: Operating Modes 41Operating ModesEa
Page 59 and 60: Module Diagnostics 43Module Diagnos
Page 61 and 62: Module Diagnostics 45Relay Output M
Page 63 and 64: Module Diagnostics 47System Attribu
Page 65 and 66: CHAPTER 4Application DevelopmentThi
Page 67 and 68: Important TriStation Commands 51Imp
Page 69 and 70: Setting Scan Time 53Setting Scan Ti
Page 71 and 72: Sample Safety-Shutdown Programs 55S
Page 73 and 74: Sample Safety-Shutdown Programs 57I
Page 75 and 76: 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: TR_SHUTDOWN Function Block 89TIMER_
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 and 128: TR_VOTE_MODE Function Block 111TR_V
Page 129 and 130: TR_VOTE_MODE Function Block 113Stru
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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