Safety Considerations Guide for Triconex General ... - ICEWeb

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28 Chapter 2 Application Guidelines In addition to the components shown in Figure 7, a typical SIS consists of components such as cables and external termination panels. These components are used to connect the sensors and final elements to the logic solvers. Figure 8 shows the SIS including these components. Approved ETPs and interconnecting cables are listed in the Planning and Installation Guide for Triconex General Purpose v2 Systems and the Technical Product Guide for Trident GP v2 Systems, which are available on the Invensys Global Customer Support (GCS) website. Design Control, Configuration Management, Supply Chain Management, and Quality Assurance for Triconex ETPs and cable assemblies are controlled by Invensys in Irvine, California (the Triconex factory). Sourcing of approved ETPs and interconnecting cables is also controlled by Invensys in Irvine. Certifications • TÜV approves the use of Triconex ETPs and interconnecting cables with Triconex Safety Logic Solvers. • TÜV certifies the use of Triconex Safety Logic Solvers in SIL2 applications with the TÜV approved ETPs and interconnecting cables. • Triconex ETPs are certified for electrical safety in full compliance with international standards by CSA. They are qualified for general use in North America and other jurisdictions requiring compliance with these standards, as well as the European CE mark as per the Low Voltage Directive. • Triconex ETPs and interconnecting cables comply with the applicable IEC EMC standard (IEC 61326-3-1,2,), which includes the European CE mark per the EMC directive. • Triconex ETPs that are approved for hazardous locations also comply with North America Class1 Div2 (C1D2) and Zone 2 as per the European ATEX directive. Thus, the boundary of the safety controller (Triconex Safety Logic Solver) extends up to the ETPs, including the interconnecting cables, as shown in Figure 8 Safety Controller Boundary (page 29). Safety Considerations Guide for Triconex General Purpose v2 Systems
Guidelines for Triconex Controllers 29 End-user installed field wiring Approved external termination panel Approved cable connects baseplate to ETP Approved cable connects baseplate to ETP (for outputs) Approved external termination panel End-user installed field wiring Sensors External Termination Panel Triconex Logic Solver External Termination Panel Final Elements Boundary of TÜV-Certified Triconex Safety Controller Figure 8 Safety Controller Boundary Use of Unapproved Components The use of unapproved cables and unapproved ETPs can negatively impact the safety integrity of the safety function and the compliance with the applicable safety standards. This causes a liability issue in the event of a plant incident. The use of such unapproved components can also impact the availability of the safety system by causing false trips in the plant. This results in unnecessary economic loss for the plant. Safety Considerations Guide for Triconex General Purpose v2 Systems
Page 1 and 2: Triconex General Purpose v2 Systems
Page 3 and 4: Contents Preface vii Summary of Sec
Page 5 and 6: Contents v Partitioned Processes. .
Page 7 and 8: Preface This guide provides informa
Page 9 and 10: Preface ix • All other requests a
Page 11 and 12: 1 Safety Concepts Overview 2 Hazard
Page 13 and 14: Overview 3 Protection Layers Method
Page 15 and 16: Hazard and Risk Analysis 5 Hazard a
Page 17 and 18: Hazard and Risk Analysis 7 Sample S
Page 19 and 20: Hazard and Risk Analysis 9 Safety L
Page 21 and 22: Hazard and Risk Analysis 11 • Eac
Page 23 and 24: Safety Standards 13 CAN/CSA-C22.2 N
Page 25 and 26: 2 Application Guidelines Overview 1
Page 27 and 28: General Guidelines 17 General Guide
Page 29 and 30: Guidelines for Triconex Controllers
Page 37: Guidelines for Triconex Controllers
Page 41 and 42: 3 Fault Management Overview 32 Syst
Page 43 and 44: System Diagnostics 33 System Diagno
Page 45 and 46: Operating Modes 35 Operating Modes
Page 47 and 48: Module Diagnostics 37 Analog Output
Page 49 and 50: Module Diagnostics 39 Calculation f
Page 51 and 52: 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 and 104:
SYS_VOTE_MODE 93 Example For shutdo
Page 105 and 106:
Index A abbreviations, list of viii
Page 107 and 108:
Index 97 N NFPA 85 12 O operating m
Page 110:
Invensys Operations Management 5601
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