Re: [CAD_CAM_EDM_DRO] Re: SS Relays - Revisited

----- Original Message -----
From: "cutthroatplasmaco" <cutthroatplasmaco@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, December 15, 2003 11:25 PM
Subject: [CAD_CAM_EDM_DRO] Re: SS Relays - Revisited


> Thanks guys, I'm pretty sure i understand this now. One last
> question, Would an automotive relay be acceptable and safe to use in
> this situation? I've seen this mentioned (actually I think someone
> suggested it in reply to a previous question i posted). The reason I
> even went with the SSR was that it was my understanding that an SSR
> is an isolated relay... I don't really know if that even matters, but
> it sounded good at the time. If the automotive relay is not an
> acceptible device, then I think I'll just try to order the relay
> board from Bob and Jim.
> Thanks,
> Chris
>
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Moore" <pminmo@c...> wrote:
> > Looking at the circuit, I would agree with caudlet, the input is
> > high enough impedence that the leakage of the SSR is a problem. The
> > capacitance of the ssr output caused the trigger to fire when you
> > hooked it back up. I'd use a power FET but would have to know more
> > details of both the breakout board and torch. Easiest solution is
> to
> > use a small mechanical relay.
> >
> > Phil
>
>
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