T72 - Process Safety and Safety Instrumented Systems · API RP 14C. Safety Systems for Offshore...
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Transcript of T72 - Process Safety and Safety Instrumented Systems · API RP 14C. Safety Systems for Offshore...
![Page 1: T72 - Process Safety and Safety Instrumented Systems · API RP 14C. Safety Systems for Offshore Production Platforms. Reference Documents. CCPS. Guidelines for Safe Automation of](https://reader034.fdocuments.us/reader034/viewer/2022042507/5b461ad27f8b9aaa208b6703/html5/thumbnails/1.jpg)
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T72 - Process Safety and Safety Instrumented Systems Comprehensive Solutions Portfolio for Fail-Safe to TMR Safety Applications
![Page 2: T72 - Process Safety and Safety Instrumented Systems · API RP 14C. Safety Systems for Offshore Production Platforms. Reference Documents. CCPS. Guidelines for Safe Automation of](https://reader034.fdocuments.us/reader034/viewer/2022042507/5b461ad27f8b9aaa208b6703/html5/thumbnails/2.jpg)
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Agenda
Questions
Rockwell Automation and Critical Control
Things to Consider When Choosing
Process Safety and Machine Safety
Introduction To Process Safety
![Page 3: T72 - Process Safety and Safety Instrumented Systems · API RP 14C. Safety Systems for Offshore Production Platforms. Reference Documents. CCPS. Guidelines for Safe Automation of](https://reader034.fdocuments.us/reader034/viewer/2022042507/5b461ad27f8b9aaa208b6703/html5/thumbnails/3.jpg)
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Agenda
Questions
Rockwell Automation and Critical Control
Things to Consider When Choosing
Process Safety and Machine Safety
Introduction To Process Safety
![Page 4: T72 - Process Safety and Safety Instrumented Systems · API RP 14C. Safety Systems for Offshore Production Platforms. Reference Documents. CCPS. Guidelines for Safe Automation of](https://reader034.fdocuments.us/reader034/viewer/2022042507/5b461ad27f8b9aaa208b6703/html5/thumbnails/4.jpg)
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Introduction to Process SafetyTerminology - BPCS and SIS
I/P
Basic Process Control System(BPCS)
PT1A
PT1B
Safety Instrumented System(SIS)
A system that responds to input signals from the equipment under control and/or from an operator and generates output signals, causing the equipment under control to operate in the desired manner.
A system composed of sensors, logic solvers, and final control elements for the purpose of taking the process to a safe state when pre-determined conditions are violated.
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Containment Passive protection layer
Emergency response layerPlant andEmergency Response
Prevent
Mitigate
ProcessControl Normal behavior
BasicProcessControlSystem
Process control layer
OperatorIntervention
Process control layer
Process alarm
ProcessShutdown
Trip point
SafetyInstrumentedSystem
Safety layerEmergencyShut Down
Relief valve,Rupture disk Active protection layer
Pressure Relief
Introduction to Process SafetyWhat is Process Risk?
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Introduction to Process SafetyWhat Standards ApplyInternational StandardsIEC 61508 Functional safety of electrical/electronic/ programmable electronic safety-
related systems
IEC 61511 Functional safety – Safety instrumented systems for the process industry sector
North American StandardsNFPA 85 Burner Management (Boilers, HRSGs, Stokers, etc.)
ANSI/ISA-84.00.01 (IEC 61511-1 Mod)Functional Safety: Safety Instrumented Systems for the Process Industry Sector
API RP 14C Safety Systems for Offshore Production Platforms
Reference DocumentsCCPS Guidelines for Safe Automation of Chemical Processes
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Introduction to Process SafetyIt is all about Tolerable Risk
BPCSBPCS
Tolerable Risk 1 fatality in 10000 years
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PT1A
PT1B
Safety Instrumented System (SIS)
Inputs Outputs
T-1
S
SDV 1
Safety Function: Close the valve if the pressure reaches a certain limit value
Safety Integrity Level (SIL) is defined as a relative level of risk-reduction provided by a safety function, or to specify a target level of risk reduction. In simple terms, SIL is a measurement of performance required for a Safety Instrumented Function (SIF).
Introduction to Process SafetySafety Function
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RISKreduction
Consequences
How Likely?How Bad? How Often?
FrequencyChances
Same hazard –different locationExample Risks
• Hazards/Safety• Security• Environment• Economic/PR
SIL is a Way to Quantify Risk
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Safety Integrity
Level
Probability of Failure on Demand (PFD)
Risk Reduction Factor (1/PFD)
Safety Availability
(1-PFD)
4 ≥ .00001 to < .0001 > 10,000 to ≤ 100,000 > 99.99 to ≤ 99.999
3 ≥ .0001 to < .001 > 1,000 to ≤ 10,000 > 99.9 to ≤ 99.99
2 ≥ .001 to < .01 > 100 to ≤ 1,000 > 99 to ≤ 99.9
1 ≥ .01 to < .1 > 10 to ≤ 100 > 90 to ≤ 99
0 Control (N/A)
For “Low Demand Mode” of operation
Introduction to Process SafetySafety Integrity Levels
Performance requirements, not detailed implementation requirements
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Introduction to Process SafetyHardware Fault Tolerance
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‘Out Of Control’ -A compilation of incidents involving control and safety systems by the UK Health & Safety Executive
Incorrect & Incomplete
Specification 44%
Changes After Commissioning 20%
Operations & Maintenance
15%Installation &
Commissioning 6% Design &
Implementation 15%
Introduction to Process SafetyControl System Incidents
Functional safety standards address all these issues
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Industry Sectors - % of Process Safety Spend
* Information source – IHS Technology 2015
Oil & Gas(30%)
Refining(19%)
Petro Chemical(19%)
Power(18%)
Chemical(15%)
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Agenda
Questions
Rockwell Automation and Critical Control
Things to Consider When Choosing
Process Safety and Machine Safety
Introduction To Process Safety
![Page 15: T72 - Process Safety and Safety Instrumented Systems · API RP 14C. Safety Systems for Offshore Production Platforms. Reference Documents. CCPS. Guidelines for Safe Automation of](https://reader034.fdocuments.us/reader034/viewer/2022042507/5b461ad27f8b9aaa208b6703/html5/thumbnails/15.jpg)
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Process Safety and Machine SafetyDifferent standards - Process
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Process Safety and Machine SafetyDifferent standards - Machinery
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Agenda
Questions
Rockwell Automation and Critical Control
Things to Consider When Choosing
Process Safety and Machine Safety
Introduction To Process Safety
![Page 18: T72 - Process Safety and Safety Instrumented Systems · API RP 14C. Safety Systems for Offshore Production Platforms. Reference Documents. CCPS. Guidelines for Safe Automation of](https://reader034.fdocuments.us/reader034/viewer/2022042507/5b461ad27f8b9aaa208b6703/html5/thumbnails/18.jpg)
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What is the Target SIL level or SIL levels in single architecture? SIL 1, Low Integrity; SIL 2, Medium Integrity; SIL 3, High Integrity
What Levels of Fault Tolerance are Required? Fail-Safe (Simplex), Fault Tolerance (Dual or Triplicated)
What level of Integration with the Control Platform (BPCS) is required? Separate & Diverse Logic Solvers, Common Logic Solvers
Centralized or distributed safety Central Processing, Remote I/O; Central Engineering Interface,
Distributed Processing 3rd party communication & device interfaces
Smart Devices (HART); 3rd Party Logic Solvers (DCS or PLC)
Things To Consider When ChoosingTypes of Questions we Ask
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Agenda
Questions
Rockwell Automation and Critical Control
Things to Consider When Choosing
Process Safety and Machine Safety
Introduction To Process Safety
![Page 20: T72 - Process Safety and Safety Instrumented Systems · API RP 14C. Safety Systems for Offshore Production Platforms. Reference Documents. CCPS. Guidelines for Safe Automation of](https://reader034.fdocuments.us/reader034/viewer/2022042507/5b461ad27f8b9aaa208b6703/html5/thumbnails/20.jpg)
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Rockwell Automation and Critical ControlControlLogix® and 1715Targeted for applications where customers prefer a single/common architecture
Key Features:• Safety Add-On Instruction• Integrated Control & Safety• I/O on EtherNet/IP• Up-to-date with Logix
releases• Supports fail-safe and fault
tolerant configurations Common, Fault Tolerant/Fail Safe, SIL 2
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Rockwell Automation and Critical ControlAADvance ®
Modular, Distributed, Fault Tolerant/Fail Safe, SIL 2 & 3
Targeted for applications that require a flexible architecture, distributed safety and mixed SIL LevelsKey Features:
• Simplex (1oo1D), Dual (1oo2D) or TMR (2oo3) processor and I/O architectures• Stand alone or part of a large distributed network• Supports CIP connectivity to PlantPAx®
• Structured Text, FBD, and Ladder Diagram for Safety• Comprehensive diagnostics and self-test• Compiler Verification Tool• Integrated Version Source Control• HART Support for Field Device Diagnostics & Maintenance (HART pass through).
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Rockwell Automation and Critical ControlOptiSIS ®
Configurable, Fault Tolerant/Fail Safe, SIL 2 & 3
Targeted for applications that require a Packaged and Configurable SISKey Benefits and Features:• Based on AADvance modules• Shorter lead-times, rapid deployment• Quick installation, easy upgrades• Minimized risk, lower installed costs• Configurable (no programming required)• Ready-to-install TUV-certified HW and validated SW• Connectivity to smart field devices and asset management systems• Meets SIL 3 requirements
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Centralized, Fault Tolerant, SIL 3
Targeted for applications that require a High Availability TMR architecture or have very high I/O counts.
Key Features:• Extensive 2oo3 (2 out of 3) voting throughout architecture• High density 40 channel TMR I/O modules• CIP connectivity to PlantPAx• Supports 1000’s of I/O with a single TMR processor• Partial Stroke testing part of standard product offering• Supports 24-120V DC or 120V I/O modules• Supports performance levels required for Turbo Machinery Control• Wide range of modules meeting SIL3
Rockwell Automation and Critical ControlTrusted ® TMR
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Process Safety Information available
SIS BROCHURE SIS PRODUCT PROFILESPROCESS SAFEBOOK
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Agenda
Questions
Rockwell Automation and Critical Control
Things to Consider When Choosing
Process Safety and Machine Safety
Introduction To Process Safety
![Page 26: T72 - Process Safety and Safety Instrumented Systems · API RP 14C. Safety Systems for Offshore Production Platforms. Reference Documents. CCPS. Guidelines for Safe Automation of](https://reader034.fdocuments.us/reader034/viewer/2022042507/5b461ad27f8b9aaa208b6703/html5/thumbnails/26.jpg)
www.rockwellautomation.com
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