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  1. #1
    Join Date
    Apr 2005
    Location
    Fredericton NB
    Posts
    28
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    We have some Honeywell BNA's on three XL Plus buses and 3 Xl 5000 buses. Is there any thing available to protect the BNA's from lightning on the bus. We recently had a lightning storm that took out comm chips on some xl plus panels and wiped out one of the BNA's.

  2. #2
    Join Date
    Jan 2002
    Location
    New Hampshire
    Posts
    1,285
    Post Likes

    rotsa ruck

    I worked on a campus on top of a hill with that system.

    After enough lightning storms, the copper conductor phone lines between the buildings were all replaced with fiber optic cables.

    Now they only lose one building at a time.

    Noel

  3. #3
    Join Date
    Oct 2004
    Location
    Indianapolis
    Posts
    24
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    At one point 3-4 years ago, Honeywell had a lightning arrestor that you could install on the bus. I had 2 buildings connected by a parking garage that seemed to attract lightning. Put one at each building where the bus entered and haven't lost a chip since. Not sure what the part number is though.

  4. #4
    Join Date
    Dec 2002
    Location
    Manchester NH
    Posts
    28
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    Exclamation Fiber

    Noel,

    You know they have not installed the fiber and they do not have xlp panels. They have used a lightning device made by Transector. But you are correct that fiber is the way to go. They could go with a RS485 x filer converter.

  5. #5
    Join Date
    Feb 2003
    Location
    Huntsville,AL
    Posts
    4,125
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    be sure that the elec power system is well grounded, likewise for the panels involved!

  6. #6
    Join Date
    Dec 2004
    Location
    SE Penna.
    Posts
    61
    Post Likes
    Honeywell has a series of lightning supression devices available. Part numbers are as follows:

    14502412-008 Totalizer (high frequency digital inputs)
    14502412-011 120 VAC power
    14502412-012 C-Bus communication
    14502412-013 240 VAC power
    14502412-014 Analog inputs

    They are all still available from Honeywell.

  7. #7
    Join Date
    Apr 2005
    Location
    Fredericton NB
    Posts
    28
    Post Likes

    xl plus lightning

    Thanks for all of the replies they are very helpful.

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