lesmar96 Lifetime Supporting Member L Join Date May 2017 Location PA Posts 520 Nov 28, 2017 #1 Does any one know of and have experience with a zero-speed switch? What is the most recommended brand and what would you advise? Customer is requiring that it is CSA approved.
Does any one know of and have experience with a zero-speed switch? What is the most recommended brand and what would you advise? Customer is requiring that it is CSA approved.
ASF Lifetime Supporting Member A Join Date Jun 2012 Location Australia Posts 3,921 Nov 28, 2017 #2 Functional or safety? I've used a few Pilz standstill monitors on safety applications with good results, but it all depends on the application.
Functional or safety? I've used a few Pilz standstill monitors on safety applications with good results, but it all depends on the application.
GaryS Member G Join Date Aug 2003 Location Lancaster Pa. Posts 1,975 Nov 28, 2017 #3 if you need safety then AB has a very good one if not safety the you could jut use a prox switch or photo eye and timer
if you need safety then AB has a very good one if not safety the you could jut use a prox switch or photo eye and timer
lesmar96 Lifetime Supporting Member OP L Join Date May 2017 Location PA Posts 520 Nov 28, 2017 #4 it is only for status, no safety functions, but the setup is required to be CSA approved
danw Lifetime Supporting Member Join Date Oct 2004 Location midwest, USA Posts 3,432 Nov 28, 2017 #5 Siemens has the old Milltronics zero speed switch which was designed for mining, rugged as all get-out (with a fairly large 'footprint'). https://tinyurl.com/ybsvspue I think it had a relay that changed state at zero speed, but my last exposure was 20 years ago.
Siemens has the old Milltronics zero speed switch which was designed for mining, rugged as all get-out (with a fairly large 'footprint'). https://tinyurl.com/ybsvspue I think it had a relay that changed state at zero speed, but my last exposure was 20 years ago.
gclshortt Member Join Date Dec 2014 Location Ontario Posts 3,217 Nov 28, 2017 #6 https://www.automationdirect.com/adc/Technical/Catalog/Safety/Safety_Relay_Modules/Speed_Safety_Relays_(Speed_Monitoring_-a-_Motor_Standstill)#btn-bar-c The above safety speed monitoring switches are cUL rated. This means that is tested at UL for CSA rating. Regards,
https://www.automationdirect.com/adc/Technical/Catalog/Safety/Safety_Relay_Modules/Speed_Safety_Relays_(Speed_Monitoring_-a-_Motor_Standstill)#btn-bar-c The above safety speed monitoring switches are cUL rated. This means that is tested at UL for CSA rating. Regards,
fdasilva Member F Join Date May 2002 Location N.J. Posts 11 Nov 30, 2017 #7 Zero Speed Switch Red Lion makes a good one, din rail mounted, reasonably priced and cURus and CE rated Mfr. Part#: IFMR0066
Zero Speed Switch Red Lion makes a good one, din rail mounted, reasonably priced and cURus and CE rated Mfr. Part#: IFMR0066
rankhornjp Member R Join Date Dec 2008 Location Georgia Posts 241 Dec 2, 2017 #8 We use the Electro-sensor LRB-1000. UL and CSA approved