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Type: Posts; User: ewang

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  1. Replies
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    Just curious, when you say "the new one isn't...

    Just curious, when you say "the new one isn't working", what do you mean? Have you tried a 3rd party Modbus Master program to test the registers? Personnally, I like mtester:...
  2. Thread: Html code

    by ewang
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    339

    Like everyone else said, this will require...

    Like everyone else said, this will require JavaScript.

    I'm not sure how much you have researched yet, but a site called W3Schools is an excellent source when learning HTML, CSS and basic...
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    The Max Master should be set to the highest local...

    The Max Master should be set to the highest local address, in your case 107.
    http://www.chipkin.com/how-does-bacnet-mstp-discover-new-devices-on-a-network/
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    502

    Ok, so you have experience with these. I was...

    Ok, so you have experience with these.

    I was looking through some of the IOMs on Uniflair's website and I couldn't find where the controller gets configured for Modbus/Lon/BACnet option cards. ...
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    Are you plugged into the right port? I assume...

    Are you plugged into the right port? I assume you are plugged into an add-on card located in the "Serial Card" opening.
    What is the model of the card located in this port? I think it should be...
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    502

    Ironically, I did as well after I replied...

    Ironically, I did as well after I replied...
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    502

    Its all on how Carel handles integers vs analog...

    Its all on how Carel handles integers vs analog variables internal to the controller and how it should be interpreted via BMS protocols.

    Its a feature that's useful for OEMs, and is only useful...
  8. Replies
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    502

    Depending on an internal variable (Modbus...

    Depending on an internal variable (Modbus Extension) of the program, the offset for the Integers is either 129 or 209, so Integer address 1 = Modbus register 40130 or 40210.
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    Any reason you are not using 1Too1? EasyTool is...

    Any reason you are not using 1Too1? EasyTool is now obsolete.
  10. Thread: Spot the problem

    by ewang
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    2,003

    Thats just to make sure it doesn't open itself...

    Thats just to make sure it doesn't open itself during shipping.
  11. Thread: TCP/IP

    by ewang
    Replies
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    2,315

    To get a better idea of how most communication...

    To get a better idea of how most communication works, search the internet for how the OSI Model works. It made things click for me when I didn't understand how everything plays together.

    Heres a...
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    BACnet... just out of curiosity, what programming...

    BACnet... just out of curiosity, what programming environment did you use to build the program? Visual Studio?

    Nice job!
  13. Thread: makeup air

    by ewang
    Replies
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    2,382

    Greenheck, Captiveair are two others.

    Greenheck, Captiveair are two others.
  14. Replies
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    2,985

    I can eat about 5 of them... Damn, now I have to...

    I can eat about 5 of them... Damn, now I have to go buy tomatoes...
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    1,122

    Yaskawa? New favorite quote! :cheers:

    Yaskawa?

    New favorite quote! :cheers:
  16. Replies
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    http://www.sphcontrols.com/pdf/LGR25.pdf Is...

    http://www.sphcontrols.com/pdf/LGR25.pdf

    Is this the router you are working with? Did you set the LGR to the default IP address, and set your laptop within the same range?

    The 100 light means...
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    Does it act like a dehumidifier? Any condensate...

    Does it act like a dehumidifier? Any condensate drains?
  18. Thread: OA Intakes

    by ewang
    Replies
    8
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    1,047

    Install some aluminum mesh filters in the...

    Install some aluminum mesh filters in the weatherhood (Permatron)

    1" is sufficient for bug elimination
    2" is sufficient for bug and mist elimination
  19. Replies
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    From what I have heard, they make great units,...

    From what I have heard, they make great units, just that they are a little pricey.
  20. Replies
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    They expose all of these points? How do they...

    They expose all of these points? How do they have enough room? Aren't most LON devices limited on the number of variables? (50ish?)

    Can anyone post a screenshot of the duplicate's? I am...
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    This may be typical of the heavy aluminum wheels,...

    This may be typical of the heavy aluminum wheels, but the lighter polymer wheels that AAON uses (AirXchange) has a much longer lifespan.
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    I doubt this is the case, but I've seen this...

    I doubt this is the case, but I've seen this happen to forward curve fans with PSC motors in the field...

    If the fan is spinning fast enough in the opposite direction while off (free wheeling),...
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    Aaon has a mess of controller's out there. Post...

    Aaon has a mess of controller's out there. Post a model number of the unit, and try to get a model of the controller.
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    I've got an old copy of Visual Studio laying...

    I've got an old copy of Visual Studio laying around from college. Its more cumbersome than MSFT Expression Web, but it will do.
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    Air Handler Graphic in HTML, .js, .css

    I am trying to create a webpage for customer to view points over IP. I have a template HTML, Javascript, and Cascading Style Sheet to work off of, but its very basic; no graphics, etc.

    I've been...
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