CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] estop switches was Re: Advice needed - Mariss' e-stop circuit

Posted by dcdziner
on 2003-02-12 04:25:24 UTC
Guys,
Although the applications are slightly different, I have been using
E-stops in designing conveyor systems for over 30 years. All required a rope
or cable down the length of each conveyor section, so that it could be
actuated from anywhere down the length, and from either side, but had to be
reset at the switch only.

Marv Frankel
Los Angeles

----- Original Message -----
From: <ballendo@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, February 12, 2003 4:09 AM
Subject: [CAD_CAM_EDM_DRO] estop switches was Re: Advice needed - Mariss'
e-stop circuit


> Dave,list,
>
> Most safety standards REQUIRE that the estop NOT be momentary...
>
> That is why most switches sold as estop require turning the face of
> the knowb to reset. Older switches could be pulled out, but newer
> safety regulations have made these obsolete on comemrcial equipment.
>
> Hope this helps,
>
> Ballendo
>
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "turbulatordude
> <davemucha@j...>" <davemucha@j...> wrote:
> <snip>
> >also, the e-stop is not required to be a momentary. as long as it
> >is open the units will not run. so it could be a hard off.
>
>
>
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Discussion Thread

Tom Murray <thomasm923@a... 2003-02-07 05:02:32 UTC Advice needed - Mariss' e-stop circuit turbulatordude <davemucha@j... 2003-02-07 06:59:18 UTC Re: Advice needed - Mariss' e-stop circuit Tom Murray <thomasm923@a... 2003-02-07 08:15:16 UTC Re: Advice needed - Mariss' e-stop circuit turbulatordude <davemucha@j... 2003-02-07 09:04:20 UTC Re: Advice needed - Mariss' e-stop circuit ballendo <ballendo@y... 2003-02-12 04:09:51 UTC estop switches was Re: Advice needed - Mariss' e-stop circuit dcdziner 2003-02-12 04:25:24 UTC Re: [CAD_CAM_EDM_DRO] estop switches was Re: Advice needed - Mariss' e-stop circuit turbulatordude <davemucha@j... 2003-02-12 05:50:22 UTC more on estop switches (was Re: Advice needed ballendo <ballendo@y... 2003-02-12 08:19:58 UTC more on estop switches (was Re: Advice needed