CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] Limit Switch Installation

on 2000-11-15 15:51:32 UTC
Jack,

Not sure, but I think limit switches are probably logic signals to the
controller. The Big RED EMERGENCY SW may be 15AMPS!

Alan (remember, I'm on a little 'ole Sherline)


jmw@... wrote:
>
> Are limit switches typically wired in series (normally closed) in
> the (PMDC) axis motor power circuit.
>
> I would assume so with this type of motor since the switch should
> stop the motor in case all other safeguards (software, etc) fail.
>
> But a switch rated for 15AMPS 90VDC is going to be the size of a shoe
> box? What up? Do people just run the cigarette-pack-sized switches
> (e.g. 24VDC 1AMP) and hope they don't trip em very often?
>
> Thanks.
>
> --Jack

Discussion Thread

jmw@c... 2000-11-15 14:56:31 UTC Limit Switch Installation Wally K 2000-11-15 15:37:09 UTC Re: Limit Switch Installation Jon Elson 2000-11-15 15:43:56 UTC Re: [CAD_CAM_EDM_DRO] Limit Switch Installation jmw@c... 2000-11-15 15:44:04 UTC Re: Limit Switch Installation Alan Marconett KM6VV 2000-11-15 15:51:32 UTC Re: [CAD_CAM_EDM_DRO] Limit Switch Installation Wally K 2000-11-15 17:53:28 UTC Re: Limit Switch Installation Jon Elson 2000-11-15 23:15:45 UTC Re: [CAD_CAM_EDM_DRO] Re: Limit Switch Installation