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Safety Questions

Question Asked:

We're planning to go through ISO 13849 certification this year, but we're looking for a consultant to provide some insight before we start the certification process. Does anyone have this expertise?

2 Answers

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Lee Burk - Manager, Training & Standards
Pilz Automation Safety L.P.
l [dot] burk [at] pilzusa.com
(734) 354-0272

There are a number of companies and individual consultants who can assist you including Pilz Automation Safety L.P. Please feel free to contact me for additional information.

Gil Dominguez - Safety Consultant
Pilz Automation Safety L.P.
g [dot] dominguez [at] pilzusa.com
(262) 442-4216

First of all you need to decide which of the three functional safety standards best fit your product. In this case, since you have a complex electronic device, you should use IEC 62061 or IEC61508. From this analysis, you can then certify your product to a SIL. Then you can use this data to rate your device in ISO 13849-1 Performance Level. You have three requirements you must meet. 1, Prove you hardware meets the architecture, reliability MTTFd and diagnostic coverage DC. 2. The you must write your code with adequate diagnostic techniques to fulfill the requirments of the SIL you wish to achieve. 3. Finally, you must demonstrate that your design process is managed to minimize systematic failures CCF Please contact me if you have further questions and if you feel I can be of assistance at this preliminary phase. Take care.

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