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  1. #1
    Join Date
    Sep 2008
    Location
    New England
    Posts
    148

    Trane BACnet RTU BCI-R Board Help.

    Looking for some help with bacnet mstp wiring regarding the Trane BACnet RTU BCI-R Board. In the literature it doesn't really explain which terminals are for the comm wire. I included a photo of the board and where I wired into but just want to make sure I'm in the rite spot because I'm having difficulty discovering them. Name:  ImageUploadedByTapatalk1413480953.319156.jpg
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    "The bitterness of poor quality remains long after the sweetness of low price is forgotten". --Benjamin Franklin

  2. #2
    Join Date
    Jun 2009
    Location
    StL, MO
    Posts
    588
    The Trane document in this thread may be of help.
    http://hvac-talk.com/vbb/showthread.php?792662-BCI-R
    UA LU 562

  3. #3
    Join Date
    Sep 2008
    Location
    New England
    Posts
    148

    Trane BACnet RTU BCI-R Board Help.

    Yea I have that literature, it doesn't show the bacnet connections.Name:  ImageUploadedByTapatalk1413499596.681299.jpg
Views: 71
Size:  68.4 KB
    "The bitterness of poor quality remains long after the sweetness of low price is forgotten". --Benjamin Franklin

  4. #4
    Join Date
    May 2010
    Location
    Quakertown, PA
    Posts
    82
    That page you just posted refers to the " BACnet Communications Interface for ReliTel Controllers" RF-SVN03-EN. I Googled RF-SVN03 and the first result was a download link of that document. It includes the information you are looking for.

  5. #5
    Join Date
    Jan 2013
    Location
    My own reality
    Posts
    27
    The two terminal block you are currently wired to is the terminator block. Move your ms/tp wiring to the four terminal block. Wire as the diagram above. + on #1 & 3, - on #2 & 4. It also works just fine if you put both +'s on #3 and both -'s on #4.

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