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Functional safety forum

Use this forum to discuss functional safety topics and risk, reliability and safety engineering issues for manufacturing plants and safety products and systems. This forum addresses standards like IEC 61508, IEC 61511, ISA S84, EN 50402 and more.

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Asunto Respuestas Autor Última respuesta

Fire & Gas Detection Loops SIL Calculation

0

Gas Turbine/Compressor Machine Protection Loops

0

Process Safety time and Response time calculations

0

Hazardous Area Certified Instrumentation Inspection/Integrity assurance Program

0

Failure mode of ESD buttons over communications link

4

Re: Failure mode of ESD buttons over communications link

How to test the sensor and actuating deviceof SIS

2

Re: How to test the sensor and actuating deviceof SIS

Functional Safety Assessment & Machinery Market

1

Re: Functional Safety Assessment & Machinery Market

PFS 's formula

5

Re: PFS 's formula

SIL loops, devices, architectural constraints

2

manual reset + solenoid valve

Has a lock-step architecture HFT=1?

2

Re: Has a lock-step architecture HFT=1?

certification

3

Re: certification

Hardware Fault Tolerance

1

Re: Hardware Fault Tolerance

EN 62061, Machines & possible multiple deaths

1

Re: EN 62061, Machines & possible multiple deaths

DC of a 1oo2D-system

1

Re: DC of a 1oo2D-system

Testing Proof Procedures to demonstrate the functionality of the SIS devices

2

Re: Testing Proof Procedures to demonstrate the functionality of the SIS devices

IEC 61508 Change management/control

2

Re: IEC 61508 Change management/control

how to maintain the SIS

5

Re: how to maintain the SIS

How to calculate PFD of redundant sensors

3

Re: How to calculate PFD of redundant sensors

Determining SIL for SRS by Risk matrix

3

Re: Determining SIL for SRS by Risk matrix

Certification?

7

Re: Certification?