Has anyone ever created an electrical switcher that *mechanically*
>allows one to switch between appliances that run on standard household
>current?(ie: TVs, stereo, computer, ect).
>
>If not, can I get ideas on what it would take to build something like
>it?
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S
Searcher7
Ok, I was actually looking for something you can plug everything into. But I guess that is as close as I can get.
In a related project I'll need to be able to switch between four(or more) rows of 56 pin circuits that will only carry voltages in the area of +5V, -5V, +12V, -12V per pin.
In other words, I'll need to be able to switch from one row of 56 pins to the next row in a "break before make" fashion.
I know there is nothing like this on the market, but I was wondering if anyone tried any simular projects.
Thanks.
Darren Harris Staten Island, New York.
J
John Fields
There used to be what were called "T-Bar" relays which were form C
and could switch up to, as I recall, 64 SPDT points per relay.
Two of those and a little logic would have gotten you what you were
looking for, as far as the switching goes.
But what are you _really_ looking for?
You\'ve stated the voltages you want to switch, but what about the
currents?
S
Searcher7
I've never heard of those before and need to find documentation on them.
Is a T-bar relay 100% mechanical in operation? It's only job would be to redirected the current.
The AC will be taken care of by the Tap Switch, and will be done in such a way that the AC is cut first *before* the present 56-row is disconnected.
And the next 56-row will have to reconnect *before* the next AC current direction is established.
AC = off / 56-row disconnected. Next 56-row connected / AC = on.
Thanks.
Darren Harris Staten Island, New York.
J
John Fields
http://www.occorp.com/?page=TBarDTRelays
S
Searcher7
old
ke
itches
Ok. It looks as though I'll just have to design and build what I need.
Thanks.
Darren Harris Staten Island, New York.
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