Safety Considerations Guide for Triconex General ... - ICEWeb

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94 Appendix C Safety-Critical Function Blocks * 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 THEN CO := GE_DUAL AND GE_SINGLE OR NOT GE_DUAL AND NOT IN_TMR; IF CO THEN TMR := IN_TMR ; DUAL := GE_DUAL AND NOT IN_TMR ; SINGL := GE_SINGLE AND NOT GE_DUAL ; ZERO := NOT GE_SINGLE ; ELSE U := ReportBadParam(0) ; TMR := FALSE ; DUAL := FALSE ; SINGL := FALSE ; ZERO := FALSE ; END_IF ; END_IF ; END_FUNCTION_BLOCK Safety Considerations Guide for Triconex General Purpose v2 Systems
Index A abbreviations, list of viii actual scan time 47 alarms analog input modules 36 analog output modules 37 digital input modules 37 digital output modules 38 disabled points 20, 59 I/O modules 40 output operations 52 programming permitted 59 pulse input modules 38 remote access 59 response time 59 semaphores 41 solid-state relay output modules 38 system attributes 41 analog input modules alarms 36 diagnostics 36 analog output modules alarms 37 diagnostics 37 analysis, hazard and risk 5 ANSI/ISA S84.01 12 application-specific standards 12, 13 architecture, system 32 array index errors 45 attributes, safety and control 44 B burner management systems, guidelines 18 bus, Tribus 32 C calculations, SIL examples 7 CAN/CSA-C22.2 NO 61010-1-04 13 certification, TÜV Rheinland 16 change control 23 commands Compare to Last Download 47 Download All 20 Download Change 46 commands (continued) TriStation 1131 46–47 Verify Last Download to the Controller 46 communication diagnostics for external 41–42 guidelines for Peer-to-Peer 20–22 serial 24 Compare to Last Download command 47 control attribute 44 customer support viii D data transfer time 63–68 DCS programs, recommendations 26 development guidelines 44 diagnostics analog input modules 36 analog output modules 37 calculation of fault reporting time 39 digital input modules 36 digital output modules 37 disabled output voter 20 external communication 41–42 main processors 40 pulse input modules 38 solid-state relay output modules 38 system 33 digital input modules alarms 37 diagnostics 36 digital output modules alarms 38 diagnostics 37 disabled output voter diagnostics 20 points alarm 20, 59 Download All command 20 Download Change command 46 E emergency shutdown systems, guidelines 18 errors, array index 45 EX01_shutdown programs 49 EX02_shutdown programs 53 Safety Considerations Guide for Triconex General Purpose v2 Systems
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Triconex General Purpose v2 Systems
Page 3 and 4:
Contents Preface vii Summary of Sec
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Contents v Partitioned Processes. .
Page 7 and 8:
Preface This guide provides informa
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Preface ix • All other requests a
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1 Safety Concepts Overview 2 Hazard
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Overview 3 Protection Layers Method
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Hazard and Risk Analysis 5 Hazard a
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Hazard and Risk Analysis 7 Sample S
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Hazard and Risk Analysis 9 Safety L
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Hazard and Risk Analysis 11 • Eac
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Safety Standards 13 CAN/CSA-C22.2 N
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2 Application Guidelines Overview 1
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General Guidelines 17 General Guide
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Guidelines for Triconex Controllers
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Page 33 and 34:
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Page 39 and 40:
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3 Fault Management Overview 32 Syst
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System Diagnostics 33 System Diagno
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Operating Modes 35 Operating Modes
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Module Diagnostics 37 Analog Output
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Module Diagnostics 39 Calculation f
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Module Diagnostics 41 External Comm
Page 53 and 54: 4 Application Development Developme
Page 55 and 56: Development Guidelines 45 Array Ind
Page 57 and 58: Setting Scan Time 47 application. T
Page 59 and 60: Sample Safety-Shutdown Programs 49
Page 69 and 70: Alarm Usage 59 Alarm Usage To imple
Page 71 and 72: A Triconex Peer-to-Peer Communicati
Page 73 and 74: Data Transfer Time 63 Data Transfer
Page 75 and 76: Data Transfer Time 65 A typical dat
Page 77 and 78: Examples of Peer-to-Peer Applicatio
Page 79 and 80: B HART Communication Overview 70 HA
Page 81 and 82: HART Position Paper from TÜV Rhein
Page 89 and 90: C Safety-Critical Function Blocks O
Page 91 and 92: SYS_CRITICAL_IO 81 SYS_CRITICAL_IO
Page 93 and 94: SYS_CRITICAL_IO 83 Library Trident
Page 95 and 96: SYS_CRITICAL_IO 85 END_IF ; PREVIOU
Page 97 and 98: SYS_SHUTDOWN 87 Output Parameters (
Page 99 and 100: SYS_SHUTDOWN 89 * the safety system
Page 101 and 102: SYS_SHUTDOWN 91 ALARM_DISABLED_POIN
Page 103: SYS_VOTE_MODE 93 Example For shutdo
Page 107 and 108: Index 97 N NFPA 85 12 O operating m
Page 110: Invensys Operations Management 5601
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