Machinery Safety 101

CSA Z432 Safeguarding of Machinery – 3rd Edition

If you build machinery for the Cana­dian mar­ket, or if you modi­fy equip­ment in Cana­dian work­places, you will be famil­i­ar with CSA Z432, Safe­guard­ing of Machinery. This stand­ard has been…

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Emergency stop devices: the risks of installer liability

This entry is part 10 of 16 in the series Emer­gency Stop

On the MachineBuilding.net blog today, Alex D’Arcy, Sales Dir­ect­or at Hylec-APL provides some inter­est­ing insights into the liab­il­it­ies asso­ci­ated with the install­a­tion of emer­gency stop devices on machinery. Hylec-APL provides tech­nic­al…

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Do you use ISO 13849 or IEC 62061? We need to hear from you! UPDATED

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…

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Get the Basics Right!

For more than 15 years I’ve been teach­ing people about risk assess­ment, machinery safety and CE Mark­ing of machinery in private, onsite classes and through present­a­tions at safety con­fer­ences. Things are…

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How to migrate from EN 954 – 1 to EN ISO 13849 – 1 or EN 62061

Edit­or­’s note – When I read this art­icle on the machinebuilding.net blog, I thought that it was import­ant enough that we should reprint it here. The text includes links to the machinebuilding.net web…

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Interlocking Devices: The Good, The Bad and the Ugly

This entry is part 1 of 7 in the series Guards and Guard­ing

Note: A short­er ver­sion of this art­icle was pub­lished in the May-2012 edi­tion of  Man­u­fac­tur­ing Auto­ma­tion Magazine. When design­ing safe­guard­ing sys­tems for machines, one of the basic build­ing blocks is the…

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31-Dec-2011 – Are YOU ready?

This entry is part 8 of 8 in the series Cir­cuit Archi­tec­tures Explored

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…

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Inconsistencies in ISO 13849 – 1:2006

This entry is part 7 of 8 in the series Cir­cuit Archi­tec­tures Explored

I’ve writ­ten quite a bit recently on the top­ic of cir­cuit archi­tec­tures under ISO 13849 – 1, and one of my read­ers noticed an incon­sist­ency between the text of the stand­ard and Fig­ure 5,…

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Interlock Architectures Pt. 6 – Comparing North American and International Systems

industrial Control Console
This entry is part 6 of 8 in the series Cir­cuit Archi­tec­tures Explored

I’ve now writ­ten six posts, includ­ing this one, on the top­ic of cir­cuit archi­tec­tures for the safety-related parts of con­trol sys­tems. In this post, we’ll com­pare the Inter­na­tion­al and North…

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Interlock Architectures – Pt. 5: Category 4 – Control Reliable

This entry is part 5 of 8 in the series Cir­cuit Archi­tec­tures Explored

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…

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