Safety Considerations Guide for Triconex General ... - ICEWeb

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Information in this document is subject to change without notice. Companies, names and data used in examples herein are fictitious unless otherwise noted. No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, without the express written permission of Invensys Systems, Inc. © 2010 by Invensys Systems, Inc. All rights reserved. Invensys, the Invensys logo, Triconex, Trident, and TriStation are trademarks of Invensys plc, its subsidiaries and affiliates. All other brands may be trademarks of their respective owners. Document Number 9720124-001, Rev. 0 Printed in the United States of America.
Contents Preface vii Summary of Sections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .vii Related Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .vii Abbreviations Used. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii Product and Training Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii We Welcome Your Comments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x Chapter 1 Safety Concepts 1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Protection Layers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 SIS Factors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SIL Factors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Hazard and Risk Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Safety Integrity Levels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Safety Life Cycle Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Safety Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 General Safety Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Application-Specific Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Chapter 2 Application Guidelines 15 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 TÜV Rheinland Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 General Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 All Safety Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Emergency Shutdown Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Burner Management Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Fire and Gas Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Guidelines for Triconex Controllers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Safety-Critical Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Safety-Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Response Time and Scan Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Disabled Points Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Disabled Output Voter Diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Download All at Completion of Project . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Modbus Master Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Triconex Peer-to-Peer Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Safety Considerations Guide for Triconex General Purpose v2 Systems
Page 1: Triconex General Purpose v2 Systems
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 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 61 and 62:
Page 63 and 64:
Page 65 and 66:
Page 67 and 68:
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 83 and 84:
Page 85 and 86:
Page 87 and 88:
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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