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'[EE]: relay boards?'
2002\02\21@135737 by Gary Neal

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Guys,

       I have an application where I need a low current (5 or 6amp max) relay
boards that is powered from ~12 - 15 volts DC (automotive, driven with
transistor-level(or ttl/cmos) input, and has all the protection stuff build
in.  I'd like to have as many relays on the board as possible, but I'm
thinking around 5-10 relays/board ballpark.  Anyway, just wondering if
anyone knew of a commercial product out there that met this or might know
where to look.

Thanks,

Gary

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2002\02\21@145008 by Dwayne Reid

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face
At 01:56 PM 2/21/02 -0500, Gary Neal wrote:
>Guys,
>
>        I have an application where I need a low current (5 or 6amp max) relay
>boards that is powered from ~12 - 15 volts DC (automotive, driven with
>transistor-level(or ttl/cmos) input, and has all the protection stuff build
>in.  I'd like to have as many relays on the board as possible, but I'm
>thinking around 5-10 relays/board ballpark.  Anyway, just wondering if
>anyone knew of a commercial product out there that met this or might know
>where to look.

We manufacture something that may be helpful: it has 16 - Aromat JS1E-12
relays on the card, along with TPIC6595 power shift registers and a 12c508
that receives bit mapped relay data at 9600 baud.  You can have the card
with or without the drivers and / or the PIC.  Its easy to talk to the
relay driver shift registers with a 3 wire SPI protocol if you don't want
to use the async serial input.

The relay contacts are all un-committed.  8 relays have all 3 contacts (NO,
NC, Arm) brought out to screw terminals, the other 8 relays have only 2
contacts brought out to screw terminals (NO, Arm).  Each relay also has a
LED beside it to show coil status.

The power supply input is 12 Vac or 12-17 Vdc (either is fine).

Physically, the card is 4.5" x 8.0" and is designed so that 2 cards can be
stacked and still allow access to all terminals on the lower card.

Please contact me off-list if you desire more information.

dwayne


Dwayne Reid   <spam_OUTdwaynerTakeThisOuTspamplanet.eon.net>
Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
(780) 489-3199 voice          (780) 487-6397 fax

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2002\02\21@190518 by Andre Abelian

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Gary,

A few years ago I built 8 relay board for our dyno
I used 8 car 32a removable bosch relays with 8
Opto couplers and pic. I may still have the schematic.


Andre Abelian






Guys,

       I have an application where I need a low current (5 or 6amp max)
relay
boards that is powered from ~12 - 15 volts DC (automotive, driven with
transistor-level(or ttl/cmos) input, and has all the protection stuff
build
in.  I'd like to have as many relays on the board as possible, but I'm
thinking around 5-10 relays/board ballpark.  Anyway, just wondering if
anyone knew of a commercial product out there that met this or might
know
where to look.

Thanks,

Gary

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'[EE]: relay boards?'
2002\03\01@062153 by Tsvetan Usunov
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>Guys,
>
>        I have an application where I need a low current (5 or 6amp max)
relay
{Quote hidden}

Hello Gary,

you may have look at our PIC-IO development board - it have 4 optocopler
isolated inputs, 4 relay outputs and rs232 interface

http://www.olimex.com/dev

Best regards
Tsvetan
---
PCB prototypes for $26 at http://run.to/pcb (http://www.olimex.com/pcb)
Development boards for PIC, AVR and MSP430  (http://www.olimex.com/dev)

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