Re: SS Relays - Revisited

Thank you all for the replies to my original question, but I am still
completely stumped.
I drew upt this quick diagram of what I have if someone could look at
it and tell me if that makes sense, then what might be the issue...
http://cutthroatplasma.com/wiring.gif
Thanks,
Chris

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Moore" <pminmo@c...> wrote:
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "cutthroatplasmaco"
> <cutthroatplasmaco@y...> wrote:
> >
> > > 1. What is the part number of the crydom?
> > The model # is DC60S3
>
> DC Input model so thats ok
>
> > > 2. What are you using to turn it on?
> > I'm using a campbelldesigns.com breakout board to trigger the
> relay -
> > 12VDC
>
> Should work
>
> > > 3. What is each wire of the crydom hooked to?
> > so, the +12Vdc from the breakout board is hooked to the positive
> side
> > of the input on the relay, the gnd side of the breakout board is
> > hooked to the other (I guess it would be referred to as gnd) side
> of
> > the input on the relay. +18Vdc side of the torch trigger is
hooked
> to
> > the + side of the relay output. The other side of the torch
trigger
> > is hooked to the other side of the relay output.
> >
> > I had originally purchased an AC SSR and it worked, wired
basically
> > as I had wired this new crydom (except I wasn't using a breakout
> > board at that time). The problem with that was when I shut the
> relay
> > off, it took up to a few seconds for the torch to shut off. So
> after
> > reading those past messages from Jon and others explaining why
that
> > happens, that's when I bought the dc relay... so, I'm fairly sure
> > that it's wired correctly...
>
> As I not familiar with the torch trigger, does it supply the
18VDC?
> I would expect that the minus side output of the ssr to be
connected
> to the return of the power source, and the plus side to the device
> (torch) minus and the device plus hooked to the plus of a DC power
> source. If the trigger plus is really the low side of the load
then
> what you described is ok.
>
> > > 4. What is the DC power source for the load you are switching.
> > Not exactly sure what you mean here?... The Plasma cutter has
18Vdc
> > on the ttorch trigger...
> Is there an 18Vdc power supply that is part of the torch trigger?
>
> Who/model of Trigger?