Machinery Safety 101

EU Machinery Directive Public Review

Rule books stacked up on a table in a library.

If you ship machinery products to the EU the Machinery Dir­ect­ive affects you. You have a chance to con­trib­ute to the review of this doc­u­ment.

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Instructions for Use – the New ISO 20607

Instruc­tions are one of the basic items that users expect to get when they pur­chase a product, and yet these import­ant doc­u­ments are often poorly writ­ten, badly trans­lated, and incom­plete. Key product fea­tures are badly described, and inform­a­tion on fea­tures, set­tings and haz­ards may be absent. All of this des­pite the fact that the min­im­um require­ments…

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More E‑Stop Questions

This entry is part 17 of 16 in the series Emer­gency Stop

Here are some more ques­tions I’ve been asked regard­ing emer­gency stop require­ments. These ones came to me through the IEEE PSES EMC-PSTC Product Com­pli­ance For­um mail­ing list. Primary Sources There are three primary sources for the require­ments for emer­gency stop devices: [1] Safety of machinery — Emer­gency stop — Prin­ciples for design, 3rd Edi­tion. ISO 13850. 2015. [2] Safety of…

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Are You Ready? WEEE Directive Full Implementation Starts 15-Aug-18

Processing of waste electrical and electronic materials

image: Advanced Recyc­ling Machines Many man­u­fac­tur­ers selling indus­tri­al products into the EU mar­ket have come to under­stand at least one of the envir­on­ment­al pro­tec­tion Dir­ect­ives, RoHS – the “Restric­tion of the Use of Cer­tain Haz­ard­ous Sub­stances.” In this post, I’m going to be look­ing at anoth­er envir­on­ment­al dir­ect­ive: WEEE – the “Waste Elec­tric­al and Elec­tron­ic Equip­ment” Dir­ect­ive (2012/19/EU).…

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Brexit is such a waste

Brexit: UK and EU Flags against a blue sky

This morn­ing I read news of the tests that the May Gov­ern­ment plans to use when assess­ing the Brexit deal they are try­ing to nego­ti­ate with the EU. The @CommonsEUexit report on the UK/EU future rela­tion­ship has just been pub­lished. Here are its “key tests” for judging a future deal. Full text of the report here –…

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CETA in force!

Image with the Canadian and EU flags blending together.

CETA comes into force today, 21-Sep-2017 If you are unfa­mil­i­ar with CETA, the Com­pre­hens­ive Eco­nom­ic and Trade Agree­ment, this ground­break­ing trade agree­ment between Canada and the European Uni­on will be a game-changer for Canada. Until today, the actu­al date for imple­ment­a­tion of the agree­ment has been a mov­ing tar­get. There were at least two pre­vi­ous dates announced…

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Machinery Safety Labels: 3 Top Tools for Effective Warnings

Safety label by Clarion Safety Systems
This entry is part 1 of 3 in the series Safety Labels

Machinery Safety Labels The third level of the Hier­archy of Con­trols is Inform­a­tion for Use. Safety Labels are a key part of the Inform­a­tion for Use provided by machine build­ers to users and are often the only inform­a­tion that many users get to see. This makes the design and place­ment of the safety labels crit­ic­al to…

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Safe Drive Control including Safe Torque Off (STO)

Graph illustrating STO Function
This entry is part 12 of 16 in the series Emer­gency Stop

Ed. Note: This art­icle was revised 25-Jul-17 to include inform­a­tion on safe stand­still. Safe Drive Con­trol includ­ing STO Motor drives are every­where. From DC vari­able speed drives and index­ing drives, through AC Vari­able Fre­quency drives, servo drives and step­per motor drives, the cap­ab­il­it­ies and the flex­ib­il­ity of these elec­tron­ic sys­tems has giv­en machine design­ers unpre­ced­en­ted…

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How to do a 13849 – 1 analysis: Complete Reference List

This entry is part 8 of 9 in the series How to do a 13849 – 1 ana­lys­is

Post updated 2019-07-24. Ed. As prom­ised in pre­vi­ous posts, here is the com­plete ref­er­ence list for the series “How to do a 13849 – 1 ana­lys­is”! If you have any addi­tion­al resources you think read­ers would find help­ful, please add them in the com­ments. Copy­right secured by Digi­prove © 2017 – 2018Acknow­ledge­ments: As cited.Some Rights ReservedOri­gin­al con­tent here is pub­lished under these license terms: X License Type:Non-com­mer­cial, Attri­bu­tion,…

ISO 13849 – 1 Analysis — Part 8: Fault Exclusion

This entry is part 9 of 9 in the series How to do a 13849 – 1 ana­lys­is

Post updated 2019-07-24. Ed. Fault Con­sid­er­a­tion & Fault Exclu­sion ISO 13849 – 1, Chapter 7 [1, 7] dis­cusses the need for fault con­sid­er­a­tion and fault exclu­sion. Fault con­sid­er­a­tion is the pro­cess of examin­ing the com­pon­ents and sub-sys­tems used in the safety-related part of the con­trol sys­tem (SRP/CS) and mak­ing a list of all the faults that could occur in each…

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