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BS2i Industrial — Parallax Forums

BS2i Industrial

ArchiverArchiver Posts: 46,084
edited 2004-03-23 17:50 in General Discussion
Hi,

I am working onto some projec for an outdoor application, but even if
the winter is
done and we are supposed to be in spring, I'm in Quebec and it still -
19 degree
Celsius outside in the night time (last night) , so I've ordered from
parallax an
industrial version of a BS2 whish is the BS2i, i for industrial. No
doubt it will work
but I just (as curiosity ) would like to know the real difference
because both look
the same and the IC itself is not identified as an industrial version.
By the way, the
BS2 standard is supposed to be rated for only 0 degree but it still
worked fine
even at - 14 C, pretty good, but here, it still not enough.....


Thank you very much!

Rene

Comments

  • ArchiverArchiver Posts: 46,084
    edited 2004-03-23 17:50
    The BS2 'module' consists of several major
    parts -- the PIC, the EEPROM, a few transistors,
    and a resonator/oscillator. All the parts
    must work at the low temperatures you're talking
    about.

    As is typical with electronic parts, if the vendor
    certifies the part for a wider temperature range,
    he has had to test them at that range -- and the
    ones that fail at the wider range are sold as
    normal parts.

    Thus, you CAN have a 'lucky' selection of parts
    that will work at the lower temperatures -- but
    it's not guaranteed by the vendor.

    That guarantee, and the extra testing are what
    you are paying for when you buy the wider
    temperature range part. In the case of the
    BS2, ALL components have to be certified at
    the lower temperature. Thus I think it's rare
    to have a 'lucky' BS2.

    --- In basicstamps@yahoogroups.com, Rene Genest <rene.genest@q...>
    wrote:
    > Hi,
    >
    > I am working onto some projec for an outdoor application, but even
    if
    > the winter is
    > done and we are supposed to be in spring, I'm in Quebec and it
    still -
    > 19 degree
    > Celsius outside in the night time (last night) , so I've ordered
    from
    > parallax an
    > industrial version of a BS2 whish is the BS2i, i for industrial. No
    > doubt it will work
    > but I just (as curiosity ) would like to know the real difference
    > because both look
    > the same and the IC itself is not identified as an industrial
    version.
    > By the way, the
    > BS2 standard is supposed to be rated for only 0 degree but it still
    > worked fine
    > even at - 14 C, pretty good, but here, it still not enough.....
    >
    >
    > Thank you very much!
    >
    > Rene
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