Do you use ISO 13849 – 1 or IEC 62061 to define and analyze the safety related parts of the control systems used on your machinery? Have you been frustrated by trying to…Read More
31-December-2011 marks a key milestone for machine builders marketing their products in the European Union, the EEA and many of the Candidate States. Functional Safety takes a positive step forward with the…Read More
Ed. note: I’ve made a few updates to this article since it was first published in 2011, with the most recent on 2020-05-11. – DN – The most reliable of the five…Read More
This post was updated on 2020-03-28. Category 3 system architecture is the first category that could be considered to have similarity to “Control Reliable” circuits or systems as was defined in…Read More
When people discuss ‘Risk’ there are a lot of different assumptions made about what that means. For me, the study of risk and risk assessment techniques started in 1995. As a technologist…Read More
Dealing with the huge information void that exists while trying to complete reasonable control reliability assessments is a major challenge for every engineer or technologist tasked with this activity. Here are a few thoughts on what to do now, and where things may be going…Read More
Why You Need to Spend More Cash on Yet Another Document Standards organizations publish documents in a fairly continuous stream, so for those of us tasked with staying current with a large…Read More
This article explores the requirements for safety related control systems meeting ISO 13849 – 1 Category 2 requirements. “Gotcha!” points in the definition are highlighted to help designers avoid this common pitfalls.Read More
IEC and ISO have published a new guide to help users select between ISO 13849 – 1 and IEC 62061. This new Technical Report will replace Table 1 in both standards.Read More
In this excellent article from Rockwell Automation’s The Journal, Mike Miller and Wayne Solberg explain how EN ISO 13849 – 1 and EN IEC 62061 mesh for machine builders.
Well worth the read in my opinion!