CAD CAM EDM DRO - Yahoo Group Archive

RE: [CAD_CAM_EDM_DRO] E-Stop Revisited

on 2003-02-02 05:59:18 UTC
Hi, PeterC

When the red mushroom button is pressed, I'd leave power ON for the control
and send a signal to it that the E-Stop was pressed. I'd disconnect power
from the spindle and also the X, Y, and Z motors directly (I'd not expect
that the controller be 'alive' to cut the power given a signal that the
E-Stop was pressed). Somewhere in the power circuit to the motors and
spindle, I'd have a latching relay that required that the computer reset.
This would reduce the possibility of having the machine start up at a time
you really didn't want it to.

-- Jerry


> Hi;
>
> Ok, what's the conclusion on the E-Stop issue, should the big red
> button cut power to everything, or is s soft-stop good enough !
>
> I know that there are different opinons on this, but for the general
> hme hobyist CNCer with a Sherline 5410, What's the recommendation ?
>
> Cheers
>
> PeterC
>
>
>
>
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Discussion Thread

Peter Cruickshank <crankshaft_sg@y... 2003-02-02 04:05:00 UTC E-Stop Revisited Carol & Jerry Jankura 2003-02-02 05:59:18 UTC RE: [CAD_CAM_EDM_DRO] E-Stop Revisited caudlet <info@t... 2003-02-02 09:05:13 UTC Re: E-Stop Revisited turbulatordude <davemucha@j... 2003-02-02 10:06:51 UTC Re: E-Stop Revisited jeffalanp <xylotex@h... 2003-02-02 10:23:07 UTC Re: E-Stop Revisited ballendo <ballendo@y... 2003-02-02 13:18:42 UTC Re: E-Stop Revisited (PS on sherline auto changer) jmkasunich <jmkasunich@y... 2003-02-03 06:40:20 UTC Re: E-Stop Revisited (PS on sherline auto changer) ballendo <ballendo@y... 2003-02-04 16:28:13 UTC Re: E-Stop Revisited (PS on sherline auto changer) Jon Elson 2003-02-04 22:51:21 UTC Re: [CAD_CAM_EDM_DRO] Re: E-Stop Revisited (PS on sherline auto changer)