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

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118 Indexprogramming permitted alarm 68programsEX01_shutdown 56EX02_shutdown 61EX03_shutdown 67safety-shutdown for all system-criticalI/O modules 55safety-shutdown for some system-criticalI/O modules 60protection layers 5Rredundancy statusconverting 90, 111Relay Output Modulealarms 45diagnostics 45requested scan time 53requirementsdesign 33operating 34response time and scan time 24, 68Ssafety life cycle model 12safety overview 5safety-critical modules 24safety-shutdown 24networks 24programs for all system-critical I/Omodules modules 55programs for some system-critical I/Omodules 60scan overrun 54scan surplus 53scan time 53actual 53requested 53response time and 24, 68semaphore flags 46sensorsequation for calculating PFD avg 9serial communication 32shutdownenabling for Tricon 82, 103programs for all system-critical I/Omodules 55programs for some system-critical I/Omodules 60safe 24systems emergency 21SILcalculation example 8factors 4fire and gas guidelines 28, 30general guidelines 27, 29guidelines 27–30SISfactors 5standardsapplication-specific 17general 15–16statusof critical I/O modules 75, 96surplusscan 53SYS_SHUTDOWN parametersinput 57output 63systemarchitecture 38attributes as alarms 47attributes of Main Processor 47diagnostics 39enabling shutdown for Tricon 82, 103equation for calculating PFD avg 9system-critical I/O modulessafety-shutdown program for all 55safety-shutdown program for some 60systemsburner management 21emergency shutdown 21fire and gas 22Ttechnical support viiiTricon Safety Considerations Guide
Index 119timescan 53TMR architecture 38TR_SHUTDOWN function block 82, 103TR_VOTE_MODE function block 90,111training xTribusMain Processor 46system architecture 38Triconex support viiiTriple Module RedundantSee TMRTriStation Install Check 50TÜV Rheinland certification 20types of faults 40UUpload and Verify command 52Vvoter diagnosticsdisable output 25Tricon Safety Considerations Guide
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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
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Sample Safety-Shutdown Programs 61P
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Sample Safety-Shutdown Programs 63O
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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 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: Index 117Modbus master functions 25
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