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Type: Posts; User: digital freq

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  1. Replies
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    Those holes in the foundation the ones that look...

    Those holes in the foundation the ones that look like window frames what is the purpose of those ? I've never seen access holes like that into a crawl space. Oh yeah , Duct work looks good nice and...
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    Learn the seqence of operations for the...

    Learn the seqence of operations for the airhandlers you are working with.
    This will explain how the airhandler was designed to work.
    Also, I believe semiens has some pdf files in the program file...
  3. Thread: BacTalk

    by digital freq
    Replies
    3
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    2,465

    We use alot of Alerton controllers on my site...

    We use alot of Alerton controllers on my site (400+). I personally like the way the software interface's with the hardware. The hardware seem's to be solid so far 2 yrs running. Also my local Alerton...
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    2,487

    Are you using GTO cable on your secondary side ?...

    Are you using GTO cable on your secondary side ? This cable is made for the high voltages used in neon signs.
  5. Thread: TAC Info

    by digital freq
    Replies
    19
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    1,610

    Yeah, PM me or leave an email address. I'll send...

    Yeah, PM me or leave an email address. I'll send em to ya.
    I think it might go against the rules to post em here.
  6. Replies
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    Good enough, I agree the extra overhead would be...

    Good enough, I agree the extra overhead would be a nice feature. However is it really needed? Bacnet communicates over all the newest technology as well as Lon. The reason Bacnet doesnít use 7 layers...
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    2,969

    Yeah, It is a packet analyzer. i think this one...

    Yeah, It is a packet analyzer. i think this one was specifically built for manufacturers and not end users.Here is the
    Newest VST for bacnet[/B] A couple times a year Bacnet manufactures get...
  8. Replies
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    8,371

    I think Wolfdog posted this link a few weeks ago....

    I think Wolfdog posted this link a few weeks ago.
    Handheld Portable Analog Signal Generator [/B][/QUOTE]
  9. Replies
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    2,753

    Not anymore, It was a simple firmware upgrade...

    Not anymore, It was a simple firmware upgrade that will now allow Alerton's controller's (backward compatible) to be PTP without the use of a global controller. The firmware is in the final stages of...
  10. Replies
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    6,466

    I havn't had this problem myself on my CSI...

    I havn't had this problem myself on my CSI system's. However on your workstation if you go to programs > CSI 2000 look for Tcon217(troubleshooting guide)PDF you might have some luck. I breifly looked...
  11. Replies
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    4,024

    The classes are worth it Ive taken a few Siemans...

    The classes are worth it Ive taken a few Siemans classes and definatley learned some new stuff.
    Also go to some different manufactures sites and start reading about their different controllers as...
  12. Replies
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    4,779

    I am in the exact situation as you, so you are...

    I am in the exact situation as you, so you are not alone.
    I also believe your reply deserves its own topic instead of being buried in this thread.
    Even though Bacnet and Lon are open sytems they...
  13. Replies
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    4,054

    Nice Tool thanks for the link... Direct link ...

    Nice Tool thanks for the link...
    Direct link
  14. Replies
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    2,753

    Actually sysint there are currently around 60...

    Actually sysint there are currently around 60 companys. Not all of them are bacnet only. I'm sure each still support their propietary line.
    bacnet vendors

    Brnaul gave a great explaination and it...
  15. Replies
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    2,753

    What controllers are you using ? I have...

    What controllers are you using ? I have controllers from several different manufactuers that are communicating with each other.
    From my expierience these controllers use a global controller to map...
  16. Replies
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    797

    http://www.inet-industries.co.za/ To be...

    http://www.inet-industries.co.za/ To be honest the best place to look is in Inet's program files for any PDF's
  17. Replies
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    4,054

    On the interface is there an option to change the...

    On the interface is there an option to change the low pressure setting ? If there is just lower it to a point where the chiller doesnt alarm while you are charging it. You should be able to do this...
  18. Replies
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    2,249

    Actually, yes I am able to analyze all...

    Actually, yes I am able to analyze all information on my network. The Alerton front end will allow me to do this as well as my Andover front end through the use of device manager. This is not just on...
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    First off thanks for the links System...

    First off thanks for the links System Integrator.. I did the comparison of both and I really didnít see a big difference other than loytecís is for Lon and Polarsoft is for Bacnet.
    ...
  20. Thread: allerton

    by digital freq
    Replies
    1
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    1,017

    From your local Alerton dealer or if you are with...

    From your local Alerton dealer or if you are with the Government Alerton is GSA. You can go to Alerton's website to find your local dealer.
  21. Replies
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    2,249

    sysint roared "LON is a really nice network....

    sysint roared
    "LON is a really nice network. Why wouldn't you want to use it?
    Do any BACnetter protocol implementation let you use third party protocol analyzers?"

    *Digital freq's reply...
  22. Replies
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    Thanks for the link. I would have loved to be a...

    Thanks for the link. I would have loved to be a fly on the wall at the ASHRAE Standing Standard Project Committee 135 board meeting after this news broke.
  23. Replies
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    ??????? can someone explain why my pictures were...

    ??????? can someone explain why my pictures were deleted from the forum server.. Admin did I break some rules I read the faqs page pretty closely.
    All I wanted to do was share some great pics of...
  24. Replies
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    807

    Wolfdog , plus minus 1%RH is very immpresive. I...

    Wolfdog , plus minus 1%RH is very immpresive. I dont believe I have to keep that accuracy, maybe plus minus 5%.

    Air1, Its not a clean room. Heh, wait till I post about my clean rooms They are...
  25. Replies
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    Here is the money shot. This is a picture of the...

    Here is the money shot. This is a picture of the controller and one of my personel favorites. Its a CSI 7756 with Buffalo connex transmiters that were programed by NIST to give us the input...
  26. Replies
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    807

    Here is the recirc unit. I will post pics of the...

    Here is the recirc unit. I will post pics of the makeup airhandler later if anyone is interested.
    http://ww2.imagewiz.net/images/hvac/166544_Re_circ_unit.jpg
  27. Replies
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    This picture is of the light ballast....

    This picture is of the light ballast.
    http://ww2.imagewiz.net/images/hvac/166542_Light_ballast.jpg
  28. Replies
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    807

    Second pic is the lighting system that should not...

    Second pic is the lighting system that should not affect the temp in the lab. The ballast are outside the lab and teh light is reflected in...
  29. Replies
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    Hi everyone , we just added some labs to my...

    Hi everyone , we just added some labs to my campus that are capable of holding a .01c degree accuracy.I am responsable for maintaning and servicing the HVAC of these labs. Sure enough this is a first...
  30. Replies
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    I know its kinda late to reply to this topic...

    I know its kinda late to reply to this topic .However here is the answer for the archives

    "Kp= conventional proportional "

    Proportional Constant (Kp) This constant adjusts how responsive the...
  31. Replies
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    Once you get it back in place Left click on the...

    Once you get it back in place Left click on the task bar and tick " Lock the taskbar".
  32. Replies
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    Looks like it has three zones. Pretty cool stuff...

    Looks like it has three zones. Pretty cool stuff you got there. A couple of questions can you interface it with a laptop for finer tuning and how bout a pic of the bypass damper.. looks great...
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    I think you can stay in commercial work and still...

    I think you can stay in commercial work and still be close to home. Look for any college campus's, Gov facilties , Or even a local mall . Some of these places still have in house service,...
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