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'[EE:] Sealed connectors - CAN bus'
2004\01\26@190412 by Gerhard Fiedler

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Hi all,

do you have any good suggestions for sealed connectors for CAN bus
connections? This is for an automotive application, and the equipment will
potentially be everywhere a case can be mounted in or on a car.

For the heavy I/O we probably will use the AMPSEAL series from Tyco/AMP.
Pretty cool connectiors. But I haven't found anything useful yet for the
CAN bus connections. Should have 6+ pins and rugged and sealed. AFAIK, 9
pin D-Sub are somewhat a standard, but they normally are not quite sealed.

We are probably not the first ones to use connectors for a CAN bus in a
car... :)  Any good suggestions?

Thanks,
Gerhard

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2004\01\26@223450 by James Nick Sears

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I just got some Switchcraft watertight connectors from DigiKey that are
pretty nice.  EN3 is the line I believe.

Nick

{Original Message removed}

2004\01\26@235438 by Josh Koffman

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If size isn't too much of an issue, you could look at the connectors
usually used to link a vehicle's electrical system to a trailer. There
are some with 8+ connectors. I think Canon made some round connectors
that were originally for the military that might work well. Rather
pricey, but pretty bulletproof.

HTH

Josh
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completely foolproof is to underestimate the ingenuity of complete
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Gerhard Fiedler wrote:
>
> Hi all,
>
> do you have any good suggestions for sealed connectors for CAN bus
> connections? This is for an automotive application, and the equipment will
> potentially be everywhere a case can be mounted in or on a car.

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2004\01\27@002829 by Jake Anderson

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some goodish connectors I have found are some kind of 4 pin DIN plugs for
audio with screwthread.
rather robust probbly halfinch or so
$5 for the pair in qty of 1 retail.

dont know about automotive use though.

> {Original Message removed}

2004\01\31@045850 by Gerhard Fiedler

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Thanks, Nick. I've seen those before, and they look nice. But I forgot to
mention that I really would like a horizontal version (with 90 degree PCB
contacts), so that the connector can be soldered in the board and goes out
sideways.

Most sealed connectors I find have straight contacts (and would go out on
top of the board). I would have to make a daughterboard for the connector;
that's something I'd like to avoid if possible.

Gerhard

> I just got some Switchcraft watertight connectors from DigiKey that are
> pretty nice.  EN3 is the line I believe.
>
> Nick
>
> {Original Message removed}

2004\01\31@045851 by Gerhard Fiedler

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Thanks, but size is somewhat an issue... as is the price.

Ideally the connector would be 20mm max. (diameter). The other restriction
I'm running into is that I'd like it to come out to the side of the board,
which means that the PCB part of it needs 90 degree contacts. Most circular
connectors (AMP, Amphenol, Cannon, Conxall etc. all have fine connectors)
have PCB versions with pins that come out straight on the back of the
connector, rather than in a 90 degree angle.

My ideal candidate would be a sealed 9pin DSub connector, or a 6pin version
of the AMPSEAL series... But I haven't yet found anything. I'm sure I'm not
the first one to create a CAN bus device for automotive use that doesn't
sit in the interior of the car. Anybody around who did something similar?

Thanks,
Gerhard

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2004\01\31@070010 by ahid Sheikh

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Try FCI (http://www.fciconnect.com). They have automotive PCB-to-wire
connectors and I think they also have 90 degree mount type.

Here's the link to them as well:
http://www.fciconnect.com/catalog/auto_04_01.asp. I'm talking about the
SICMA ones. May not look very nice if the connector portion of your
device is in common view.

Shahid

{Original Message removed}

2004\01\31@130934 by Josh Koffman

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Well, XLR connectors are pretty rugged, but not sealed. You can get them
up to 8 or 9 connections I believe. As a plus, panel mount, cable mount,
and PCB mount are all pretty commen.

Josh
--
A common mistake that people make when trying to design something
completely foolproof is to underestimate the ingenuity of complete
fools.
       -Douglas Adams

Gerhard Fiedler wrote:
> Ideally the connector would be 20mm max. (diameter). The other restriction
> I'm running into is that I'd like it to come out to the side of the board,
> which means that the PCB part of it needs 90 degree contacts. Most circular
> connectors (AMP, Amphenol, Cannon, Conxall etc. all have fine connectors)
> have PCB versions with pins that come out straight on the back of the
> connector, rather than in a 90 degree angle.

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