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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Topic Replies Author Last reply

How to test the sensor and actuating deviceof SIS

2

05/11/2008 3:20 am

Fei Xu

14/11/2008 8:32 am

Michel Houtermans

Re: How to test the sensor and actuating deviceof SIS

Failure mode of ESD buttons over communications link

3

18/07/2008 12:03 am

Donald Foster

12/11/2008 3:41 pm

Jonas Krueger

Re: Failure mode of ESD buttons over communications link

Functional Safety Assessment & Machinery Market

1

23/10/2008 10:36 am

Howard Wheeler

27/10/2008 1:28 pm

Jonas Krueger

Re: Functional Safety Assessment & Machinery Market

PFS 's formula

5

19/05/2008 10:53 am

Fei Xu

18/10/2008 4:29 am

storm flash

Re: PFS 's formula

SIL loops, devices, architectural constraints

2

07/06/2008 1:35 pm

M W

23/07/2008 11:56 am

Oswald Gomez

manual reset + solenoid valve

Has a lock-step architecture HFT=1?

2

08/05/2008 2:01 pm

Markus Baumeister

18/05/2008 9:47 pm

Jonas Krueger

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

certification

3

12/02/2008 10:13 am

Melvin Kasanrokijat

18/05/2008 9:38 pm

Jonas Krueger

Re: certification

Hardware Fault Tolerance

1

30/04/2008 12:39 pm

George Azzopardi

05/05/2008 9:00 am

Michel Houtermans

Re: Hardware Fault Tolerance

EN 62061, Machines & possible multiple deaths

1

24/04/2008 10:17 am

Howard Wheeler

26/04/2008 10:23 am

Michel Houtermans

Re: EN 62061, Machines & possible multiple deaths

DC of a 1oo2D-system

1

03/04/2008 3:18 pm

Rainer Luetzkendorf

26/04/2008 10:12 am

Michel Houtermans

Re: DC of a 1oo2D-system

Testing Proof Procedures to demonstrate the functionality of the SIS devices

2

19/02/2008 4:58 pm

Franklin Rodriguez Salazar

31/03/2008 4:09 am

Paul Smith

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

IEC 61508 Change management/control

2

14/12/2007 3:44 pm

håkan landsberg

16/03/2008 7:30 pm

Janne Peltonen

Re: IEC 61508 Change management/control

how to maintain the SIS

5

07/12/2007 4:00 am

Fei Xu

11/03/2008 3:50 pm

Michel Houtermans

Re: how to maintain the SIS

How to calculate PFD of redundant sensors

3

19/01/2007 9:10 am

IBM DUT

20/12/2007 9:47 pm

Michel Houtermans

Re: How to calculate PFD of redundant sensors

Determining SIL for SRS by Risk matrix

3

15/11/2007 8:53 pm

Daniel Claessens

20/12/2007 9:37 pm

Michel Houtermans

Re: Determining SIL for SRS by Risk matrix

Certification?

7

22/01/2003 2:31 pm

Anonymous Writer

17/12/2007 10:49 am

håkan landsberg

Re: Certification?

% SIL for final elements?

1

24/07/2007 9:47 am

Brian kennedy

26/11/2007 9:58 pm

Michel Houtermans

Re: %SIL for final elements

Determining the SIL

2

28/12/2006 3:10 pm

yennyffer duran

04/01/2007 9:31 am

Michel Houtermans

Re: Determining the SIL

Question about lifecycle

1

04/04/2007 8:04 pm

Giovanni Sartori

20/04/2007 1:34 pm

Michel Houtermans

Re: Question about lifecycle

OPC servers & safety systems

1

07/04/2007 9:35 pm

Alioune OULD ZEKERIA

10/04/2007 2:30 pm

wolfgang velten-philipp

Re:

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