Canada

Machinery Safety Labels: 3 Top Tools for Effective Warnings

Posted on
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 […]

Canada

Safe Drive Control including Safe Torque Off (STO)

Posted on
Graph illustrating STO Function
This entry is part 12 of 14 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 […]

Canada

ISO 13849 – 1 Analysis — Part 8: Fault Exclusion

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

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 one. This a def­in­itely non-trivi­al […]