Re: 1-wire Relay

[Ian Shef <invalid@xxxxxxxxxxxxx>]

"Xavier" <xavier33@xxxxxxxx> wrote in news:1116009068.589021.255730
@f14g2000cwb.googlegroups.com:

> I'm having a hard time trying to control a eletromagnetic relay with
> the 1-wire. I have controlled SSR with no problems whatsoever. With the
> eletromagnetic relay. I use a ds2405, pnp transistor 1k resistor and a
> 10k resister and a diode. Everything works until I hook plug in 120v.
> Then I get an error "Failure to change ds2405 latch state". And
> sometimes Cannot Communicate with device. These errors wouldnt bother
> me because the device does turn on. But it causes other relays to turn
> off breifly when I switch on a relay with 120v going to the relay..
> Note that the relays work flawlessly without any errors. Until I hook
> up the 120v. Even if there is no load. Just plugging in the 120v makes
> it receive this breif error. Anyone have any ideas??
>
> Xavier
>
A schematic of your circuit would help.
Did you provide any decoupling capacitors?  How much capacity does your power
supply for the relays have?  How clean is the layout of your wiring (e.g. did
you keep 120 VAC wiring away from 1-wire and relay control signals?)?


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Ian Shef     805/F6      *    These are my personal opinions
Raytheon Company         *    and not those of my employer.
PO Box 11337             *
Tucson, AZ 85734-1337    *