Machinery Safety 101

IEEE PSES Functional Safety Seminar – Part 3

Man training a group of people, pointing to Functional Safety topics on the whiteboard

Doug Nix will be giv­ing the third ses­sion in the three-part Intro­duc­tion to Func­tion­al Safety sem­in­ar series at the IEEE Product Safety Engin­eer­ing Soci­ety Vir­tu­al Chapter meet­ing.’ In this third… 

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16 May, 2018

Q & A: Category 2 and Testing Intervals

by Doug Nix
in Control Functions, Functional Safety, Interlocks, ISO 13849, Q & A /
6 Comments
Logical block diagram for ISO 13849-1 Category 2 architecture.
This entry is part 1 of 2 in the series Q&A

Dur­ing the Free Safety Talks that we did with Schmersal Canada and Frank­lin Empire, we had a “hot ques­tion” come up regard­ing Cat­egory 2 archi­tec­ture and the test­ing inter­val require­ment. The… 

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15 May, 2018

Five reasons you should attend our Free Safety Talks

by Doug Nix
in Events, Free Talks, Functional Safety, Hazardous Energy Control Procedures, Interlocks, Interlocks, ISO 13849, Lockout, News, Ontario, Pre-Start Health and Safety Reviews, Standards
Banner for the Free Safety Talks

Reas­on #1 – Free Safety Talks You can­’t argue with Free Stuff! Last week we partnered with Schmersal Canada and Frank­lin Empire to put on three days of Free Safety… 

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3 July, 2017

Safe Drive Control including Safe Torque Off (STO)

by Doug Nix
in Canada, CE Mark, Complementary Protective Measures, Control Functions, Control Reliability, Emergency Stop, EU European Union, Functional Safety, Guards and Guarding, Interlocks, Interlocks, ISO 13849, Ontario /
5 Comments
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,… 

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26 June, 2017

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

by Doug Nix
in Control Functions, Control Reliability, Emergency Stop, EU European Union, Functional Safety, Inherently Safe Design, Interlocks, Interlocks, ISO 13849
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… 

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