CAN bus -- Interview question

raj katoch <[email protected]>
Newsgroups gmane.comp.hardware.bus.can
Message-ID <CAB2555F2ZXmB-+NKnovXv2WHgvP=XazUMWYTGD2md4aByandWg@mail.gmail.com> 
Hi,

There were few question which i was not able to answer in an interview
today.
One of them i will like to ask on list :---

What is the use of this Pull cord switches on Conveyor belt ?
What role CAN bus plays it may be the field bus to transfer event to stop
the belt power supply, is it right ?

http://www.martin-eng.com/resources/blog/emergency-stop-switches


thanks & regards,

katoch
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