I-005u3 System control diagram

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Norsok Standard

Transcript of I-005u3 System control diagram

NORSOK STANDARD

I-005Edition 3, Mar 2013

System control diagram

This NORSOK standard is developed with broad petroleum industry participation by interested parties in the Norwegian petroleum industry and is owned by the Norwegian petroleum industry represented by The Norwegian Oil and Gas Association and The Federation of Norwegian Industry. Please note that whilst every effort has been made to ensure the accuracy of this NORSOK standard, neither Oil and Gas Association nor The Federation of Norwegian Industry or any of their members will assume liability for any use thereof. Standards Norway is responsible for the administration and publication of this NORSOK standard. Standards Norway Strandveien 18, P.O. Box 242 N-1326 Lysaker NORWAY Copyrights reserved Telephone: + 47 67 83 86 00 Fax: + 47 67 83 86 01 Email: petroleum@standard.no Website: www.standard.no/petroleum

NORSOK standard I-005

Edition 3, Mar 2013

Foreword Introduction 1 2 Scope Normative and informative references 2.1 Normative references 2.2 Informative references Terms, definitions and abbreviations 3.1 Terms and definitions 3.2 Acronymes The system control diagram (SCD) approach 4.1 Conceptual definition 4.2 Framework 4.3 Life cycle concept 4.4 Basic design (informative) 4.5 Alarm management

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Annex A (Normative) System control diagram (SCD) function standard A.1 Introduction A.1.1 General A.1.2 Compliance A.1.3 Positive logic A.1.4 Execution sequence of logic A.1.5 Functions used in SIF A.1.6 HMI presentation A.2 Terminal codes A.2.1 General A.2.2 Signal types (1.Character) A.2.3 Explanatory code (succeeding characters) A.2.4 Terminal description for function templates A.3 SCD control function template behavior A.4 Function templates A.4.1 Introduction A.4.2 Function template name convention A.4.3 CA PID controller A.4.1 CS Step control A.4.2 HA Analogue input command A.4.3 HB Binary input command A.4.4 KB Sequence logic interface template A.4.5 LB Safeguarding shutdown level A.4.6 MA - Monitoring of analogue process variables A.4.7 MAS Analogue measurement acquisition from subsystems A.4.8 MB Monitoring of binary (digital) process variables A.4.9 OA Analogue output A.4.10 QA Totalizer A.4.11 SB - Single binary signal for shutdown A.4.12 SBB Breaker control template A.4.13 SBC Coordinator for SBE A.4.14 SBE Control of electrical equipment A.4.15 SBV Control of pneumatic/hydraulic equipment A.4.16 Sequence logic Annex B (Normative) SCD drawing standard B.1 Introduction B.2 Content of SCDs B.2.1 Equipment B.2.2 Measuring instruments B.2.3 Functions B.2.4 Flow paths B.2.5 Information not shown on the SCDs B.2.6 Black box representation NORSOK standard

NORSOK standard I-005 B.2.7 Parallel equipment B.3 Layout B.3.1 Readability B.3.2 The extent of information on SCDs B.3.3 Location of information on the SCDs B.3.4 Direction of flow B.3.5 Page connectors B.3.6 From P&ID/D&ID to SCD B.4 Symbols B.4.1 General B.4.2 Function template symbol B.4.3 Symbols for logic and arithmetic functions B.4.4 Extended connection line for EFB functions B.4.5 Parameter labels B.4.6 Signal line B.4.7 Process line B.4.8 Line connections B.4.9 Process and signal line crossing/jump B.4.10 Sequential flow chart lines B.4.11 Instruments B.4.12 Mechanical equipment B.4.13 Valves B.4.14 Electrical equipment B.4.15 Sequence symbols B.4.16 Reference symbols B.5 Tagging B.6 Terminal codes B.7 Symbol and font sizes B.8 Layers and colors B.9 Legend sheets B.9.1 General B.9.2 Part 1: Symbols and codes B.9.3 Part 2: System specific function templates and terminal definition codes B.9.4 Part 3: Applications typical B.10 Drawing frame and title block Annex C (informative) Project execution guideline C.1 Engineering C.1.1 Objectives C.1.2 Quality C.1.3 Standardisation C.1.4 Safety C.1.5 Productivity C.2 Implementation C.2.1 Objectives C.2.2 Unambiguous input C.2.3 Standardisation C.2.4 Productivity C.2.5 Documentation C.2.6 Verification C.3 Commissioning C.3.1 Objectives C.3.2 Commissioning procedures C.3.3 Commissioning runs C.4 Operation C.4.1 General C.4.2 Objectives C.4.3 Production control C.5 Modifications Annex D (Normative) SCD legend D.1 Introduction D.2 Function template symbols

Edition 3, Mar 2013 113 113 113 113 114 114 114 114 114 114 115 117 119 119 120 121 121 122 122 123 124 124 126 128 132 134 134 135 140 141 141 141 141 142 142 143 143 143 143 143 144 144 145 145 145 145 145 146 146 146 146 147 147 147 147 147 148 148 149 149 149

NORSOK standard

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NORSOK standard I-005 D.3 Function template terminal placement D.4 Reference symbols D.5 Function identifier for safety system interface. D.6 Field device symbols D.7 Instrument signals D.8 Constant values D.9 Logic and arithmetic symbols D.10 Sequential function chart symbols Annex E (informative) SCD application guidelines E.1 Purpose E.2 Tagging E.3 Application typical E.3.1 General E.3.2 Process measurements E.3.3 Action and warning alarms E.3.4 Process modulating control E.3.5 Control of on/off valves and dampers E.3.6 Failure actions for of on/off valves E.3.7 On/off valves and control valve interaction E.3.8 Electrical equipment control E.3.9 HVAC E.3.9.3 Control of HVAC fans E.3.10 Shutdown E.3.11 Interface to external systems E.3.12 Condition monitoring E.3.13 Electrical distribution control E.3.14 Parallel functions E.3.15 Sequences E.3.16 Use of Black boxes E.3.17 Use of project specific functions

Edition 3, Mar 2013 150 150 151 151 153 153 153 155 157 157 157 157 157 157 161 163 166 169 170 171 177 179 181 184 185 187 187 188 190 191 193 193 193 193 193 195 196 197 198 198 198 200 203 204 205 206 207 213 213 213 216 218 219 220 221 222 224 225 226 228 230

Annex F (Normative) SCD Control function templates behaviour F.1 Purpose F.2 Method for description of behaviour (control function state charts) F.2.1 Basic idea F.2.2 State charts F.2.3 Modelling of the processing of process information F.2.4 Parallel state charts F.2.5 Symbols used for modelling control functions using state charts F.3 Description of behaviour in various modes F.3.1 General F.3.2 Auto-manual mode F.3.3 Blocked mode F.3.4 Disable transition mode F.3.5 Internal external mode F.3.6 Outside operation mode F.3.7 Safeguarding mode F.3.8 Suppress alarm mode F.4 Definition of templates control function behaviour F.4.1 General F.4.2 CA - PID controller template behaviour F.4.3 CS - Step control template behaviour F.4.4 HA - Analogue input command template behaviour F.4.5 HB - Binary input command template behaviour F.4.6 KB - Sequence header template behaviour F.4.7 LB - Safeguarding shutdown level template behaviour F.4.8 MA - Monitoring of analogue process variable template behaviour F.4.9 MAS - Analogue measurement acquisition from subsystem template behaviour F.4.10 MB - Monitoring of binary (digital) process variables template behaviour F.4.11 OA - Analogue output template behaviour F.4.12 QA - Totalize template behaviour F.4.13 SB - Single binary signal for shutdown template behaviour

NORSOK standard

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NORSOK standard I-005 F.4.14 F.4.15 F.4.16 F.4.17 SBB - Breaker control template behaviour SBC - Coordinator for SBE template behaviour SBE - Controls of electrical equipment template behaviour SBV - Control of pneumatic/hydraulic equipment template behaviour

Edition 3, Mar 2013 231 233 235 237 239 239 239 240 240 240 240 240 241 241 241 242

Annex G (informative) SCD readers manual G.1 What is a system control diagram (SCD)? G.2 Areas of use G.3 The process part of system control diagrams (SCDs) G.4 The control part of system control diagrams (SCDs) G.4.1 General G.4.2 Function blocks G.4.3 Simple logic elements G.4.4 Logic connections G.5 Examples G.5.1 Level control G.5.2 Temperature control

Figures

Figure 1 - SCD framework ............................................................................................................ 22 Figure 2 - Basic design ................................................................................................................. 23 Figure 3 - Basic system design ..................................................................................................... 23 Figure 4 - Basic function design ................................................................................................... 24 Figure 5 - Basic application design, application typical ................................................................. 24 Figure 6 - Object typical................................................................................................................ 25 Figure 7 - Object typical................................................................................................................ 25 Figure A.1 - Typical function template schematic ......................................................................... 38 Figure A.2 - CA function template schematic ................................................................................ 39 Figure A.3 - CS function template schematic ................................................................................ 48 Figure A.4 - HA function template schematic ................................................................................ 53 Figure A.5 - HB function template schematic ................................................................................ 55 Figure A.6 - KB function template schematic ................................................................................ 57 Figure A.7 - LB function template schematic ................................................................................