ISA 84.01 : 1996
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
APPLICATION OF SAFETY INSTRUMENTED SYSTEMS FOR THE PROCESS INDUSTRIES
Hardcopy
09-02-2004
English
01-01-1996
Introduction
1 Scope
1.1 Boundaries of the Safety Instrumented System (SIS)
1.2 Exclusions
2 Conformance to this standard
2.1 Conformance guidance
2.2 Existing systems
3 Definition of terms and acronyms
3.1 Definitions
3.2 Acronyms
4 Safety life cycle
4.1 Scope
4.2 Safety Life Cycle steps
5 Safety requirements specifications development
5.1 Objective
5.2 Input requirements
5.3 Safety functional requirements
5.4 Safety integrity requirements
6 SIS conceptual design
6.1 Objectives
6.2 Conceptual design requirements
7 SIS detailed design
7.1 Objective
7.2 General requirements
7.3 SIS logic solver
7.4 Field devices
7.5 Interfaces
7.6 Power sources
7.7 System environment
7.8 Application logic requirements
7.9 Maintenance or testing design requirements
8 Installation, commissioning and pre-startup
acceptance test
8.1 Objective
8.2 Installation
8.3 Commissioning
8.4 Pre-Startup Acceptance Test (PSAT)
9 SIS operation and maintenance
9.1 Objective
9.2 Training
9.3 Documentation
9.4 SIS operating procedures
9.5 Maintenance program
9.6 Testing, inspection, and maintenance
9.7 Functional Testing
9.8 Documentation of functional testing
10 SIS Management of Change (MOC)
10.1 Objective
10.2 MOC procedure
10.3 MOC documentation
11 Decommissioning
11.1 Objective
11.2 General
12 Differences
12.1 Terminology
12.2 Organizational differences
12.3 Technology differences
Annex A (Informative) - Information and examples illustrating
methods for determining Safety Integrity Level (SIL)
for a Safety Instrumented System (SIS)
A.1 Introduction
A.2 Safety Integrity Level (SIL) considerations
and the process example
A.3 Example methods for selecting SIL
Annex B (Informative) - SIS design considerations
B.1 Separation - identical or diverse
B.2 Redundancy - identical or diverse
B.3 Software design considerations
B.4 Technology selection
B.5 Failure rates and failure modes
B.6 Architecture
B.7 Power sources
B.8 Common cause failures
B.9 Diagnostics
B.10 Field devices
B.11 User interface
B.12 Security
B.13 Wiring practices
B.14 Documentation
B.15 Functional test interval
Annex C (Informative) - Informative references
Annex D (Informative) - Example
D.1 Introduction to the example problem
D.2 Safety Life Cycle
D.3 Safety requirement specification
D.4 Safety integrity requirements
D.5 Conceptual design
D.6 Detail design
Annex E (Informative) - Index
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