Update 2020-10-11: The next three-day ISO/TC 199/WG8 meeting runs Tuesday-Thursday this week. Our committee members will be wading into the next 1 600 comments along with expert members from around the world. We’ll update you again as the changes get closer. Update 2020-09-29: Over 1 920 (!!) comments were received by the committee during the…
Read MoreISO 13849-1 Analysis — Part 8: Fault Exclusion
Post updated 2019-07-24. Ed. Fault Consideration & Fault Exclusion ISO 13849-1, Clause 7 [1, 7] discusses the need for fault consideration and fault exclusion. Fault consideration is examining the components and sub-systems used in the safety-related part of the control system (SRP/CS) and making a list of all possible faults. This is a non-trivial exercise!
Read MoreCSA Z432 Safeguarding of Machinery – 3rd Edition
If you build machinery for the Canadian market or modify equipment in Canadian workplaces, you will be familiar with CSA Z432, Safeguarding of Machinery. This standard has been around since 1992, with the last major revision published in 2004. CSA has reconvened the Technical Committee responsible for this important standard to revise the document to…
Read MoreWhy YOU need a Product Safety Certification Strategy that Works!
How compliance efforts go wrong Clients call me when they have problems. They sent some products to a certification body, some tests were done, and the product failed. Now what? Usually, the delivery date for the certified product is approaching quickly, and no time is available to react. Delivery is delayed, and the customer is…
Read MoreOverlapping standards: Why do we have so many ??
This post was updated on 13-Jun-16 If you’re one of my regular readers, you know I frequently reference technical standards in my posts. One question often asked, particularly by those new to the standards world, is, “Why are there so many competing or overlapping standards??” This question is usually asked with a lot of frustration,…
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