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Thread: Trane BCU

  1. #1
    Join Date
    Nov 2005
    Location
    Shreveport, Louisiana
    Posts
    2,329

    Trane BCU

    Is the any controller replacement that can take over a TRANE Comm4 system if the BCU is fried. JCI, FX, JACE, etc that will supervise the devices on the comm4 wiring.

    2 SXHF rtu's with TCI comm boards in them, and about 20 vav boxes with VA UCM4.2 boards in them.
    UA Local 141

  2. #2
    Good BeGeezus Berg, You were actively posting in the thread talking about it a week or so ago.

    At least you have seen the NAE was a dead end solution.

  3. #3
    Join Date
    Jun 2004
    Posts
    730
    Maybe im wrong but just buying a new BCU and dumping the code right back in would seem a lot cheaper than buying a new controller, taking the man hours to program and integrate/troubleshoot/replace controllers and retrain the owner.

    Now if they dont like the bcu then thats different story.

  4. #4
    Join Date
    May 2002
    Posts
    9,564
    I think I have a couple BCU's lying around. I'll sell them cheap.

  5. #5
    Join Date
    Feb 2007
    Posts
    240
    Quote Originally Posted by sysint View Post
    I think I have a couple BCU's lying around. I'll sell them cheap.
    email me

  6. #6
    Join Date
    May 2007
    Location
    Somewhere, WI
    Posts
    351
    Quote Originally Posted by sysint View Post
    I think I have a couple BCU's lying around. I'll sell them cheap.
    email me too.

  7. #7
    Join Date
    Jun 2007
    Location
    Cleveland, Ohio
    Posts
    184
    sysint email me.

    Berg, I have heard of a few vendors who rep the Tridium product line who have developed their own Comm4 drivers. I know that they have the VAV's down pat, but the issues that they were having was with all of the data passed back and forth when a UPCM is on the link.

    I kind of got to see where the issues are with developing this kind of driver and all I can say is Kudos to the guys who take the time to do it. Trane put some weird checksums over the comm links. But again I know that the solution is out there being developed, but I have not heard that they are done with these drivers.

  8. #8
    Join Date
    May 2002
    Posts
    9,564
    Oops..... I haven't been checking this one. I'll go to the office this afternoon and look. I think I have two BCU's, but I don't know what versions.

    I also have an extra COMM card I think... Or maybe it's a modem card.

  9. #9
    Join Date
    Jun 2007
    Location
    Cleveland, Ohio
    Posts
    184
    Would be nice to find a BMTW laying around. I think I have about 10 modems, 20 NIC's, and all kinds of ARCNet cards.

  10. #10
    Join Date
    May 2002
    Posts
    9,564
    OK Here's what I've got.

    SN E97K09475 and SN E97E05053. I forgot how to tell the version. ARCnet cards and at least one modem card. I also have NIB modem card.
    Looks like at least one COMM 4 card. I'd have to check. I want to say Circa 1993-ish but maybe the SN gives that away.

  11. #11
    Join Date
    Jul 2001
    Location
    maryland
    Posts
    1,355
    Quote Originally Posted by sysint View Post
    OK Here's what I've got.

    SN E97K09475 and SN E97E05053. I forgot how to tell the version. ARCnet cards and at least one modem card. I also have NIB modem card.
    Looks like at least one COMM 4 card. I'd have to check. I want to say Circa 1993-ish but maybe the SN gives that away.
    They are from 1997 and I'm nearly positive that they're BMTS BCU's.

  12. #12
    Join Date
    May 2002
    Posts
    9,564
    Practically brand new .... I can't remember what project they were pulled from. They should work fine. No software (I can find right now) so I can't go any further than that.

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