nuckollsr(at)cox.net
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 Posted: Sat Jul 14, 2007 5:03 am Post subject: best contactor reliability -- mechanical, solid state, or |
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At 05:27 AM 7/13/2007 -0400, you wrote:
| Quote: |
On 13 Jul 2007, at 04:38, D Wysong wrote:
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>I have a remotely operated application where the loss of the master
>battery contactor will result in the loss of data/money/time (...
>and dignity!). My baseline design resembles a "Z" diagram (thanks
>Bob!) and I planned to use a mechanical, continuous duty contactor
>like the S-701 from B&C. However, a buddy of mine recently
>experienced a contactor failure in flight and it caused me to
>experience a few "What If!?" nightmares. I'm back to reconsidering
>my original decision...
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Help us with a bit more information about your application.
What kind of vehicle? What kind of environment? What's the
energy requirement to maintain data in vulnerable systems.
It's often much easier to arrange for brownout and/or momentary
power loss for a few items than to back-up the whole system.
Finally, it's almost always better to have a plan-a/plan-b
modus operandi than to scratch around for "more reliable"
hardware. EVERYTHING will break at some point in time.
Give us a rundown of your equipment that must stay awake
and what the power requirements are.
Bob . . .
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