CE Mark

Emergency stop devices: the risks of installer liability

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This entry is part 10 of 14 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 products and solu­tions in the field of indus­tri­al machinery and emer­gency stop sys­tems. Check out Alex’s art­icle. If you need to know more about the […]

Canada

Testing Emergency Stop Systems

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This entry is part 11 of 14 in the series Emer­gency Stop

I’ve had a num­ber of ques­tions from read­ers regard­ing test­ing of emer­gency stop sys­tems, and par­tic­u­larly with the fre­quency of test­ing. I addressed the types of tests that might be needed in anoth­er art­icle cov­er­ing Check­ing Emer­gency Stop Sys­tems. This art­icle will focus on the fre­quency of test­ing rather than the types of tests. The Prob­lem Emer­gency […]

Canada

Safe Drive Control including Safe Torque Off (STO)

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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 […]