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  1. Replies
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    The Model is MVB Type-H7. I think the controller...

    The Model is MVB Type-H7. I think the controller is a Temp-tracker b-40/B-41
  2. Replies
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    RAYPAC Boiler MODBUS

    Has anyone out there ever used the MODBUS interface on a older model RAYPAC boiler. Submittal indicates there is a RS-485 MODBUS interface for BMS but RAYPAC tech support doesn't know it exists. Is...
  3. You need to set the time in the controller. You...

    You need to set the time in the controller. You do this from the Dashboard menu. You should also set-up one of your DSC controller for Time Sync
  4. If you're connecting to it with Ethernet you need...

    If you're connecting to it with Ethernet you need to pull the DNA jumper off, reset and then you can software address the device. RTFM
  5. Replies
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    421

    Line 2 is rotating the program to line 3 after a...

    Line 2 is rotating the program to line 3 after a 10 second delay.
    You need to contract the services of a professional programmer.
    This site is not for amateurs or DIY's. You could cause serious...
  6. Replies
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    You'd be surprised at how many people in this...

    You'd be surprised at how many people in this business can't figure out the square root of 1 without a calculator.
    And it's very difficult to find someone who knows what "root of the mean squared"...
  7. This is not DIY site. you should hire a...

    This is not DIY site. you should hire a professional!
  8. Replies
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    1,430

    By the way... That controller was great back in...

    By the way... That controller was great back in the 1980s. But this is a whole new century already. Time to upgrade..
    Just my $0.02
  9. Replies
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    There should be a small paper tag on the control...

    There should be a small paper tag on the control board with &neXXX number and the password typed below it.
    There is also a switch on the board to select the connection between c-port and s-port or...
  10. Replies
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    When Was the last time you changed the Batteries?...

    When Was the last time you changed the Batteries? There should be 2 each 12 volt 7AH batteries in the enclosure wired in series connected to the power supply.
  11. Replies
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    Your first problem is the number of IOUs. If I...

    Your first problem is the number of IOUs. If I remember correctly a AC256M plus could support 2 IOUs and 32 LCUs. But that was along time ago. There maybe a few Andover guys who might remember...
  12. Like I said "Real Control guys aren't made.......

    Like I said "Real Control guys aren't made.... Their born that way" this thread is really starting to show the personality traits the wanabes would like to have.



    I was in a meeting once with...
  13. I like the idea Matrix. Put a teaser in the...

    I like the idea Matrix. Put a teaser in the mouse and give the LUser a zap of varying degrees of High Voltage based on the problem he's about cause.

    And prompt him with the question

    "yes...
  14. Natural born A$$holes Control techs aren't made....

    Natural born A$$holes
    Control techs aren't made. Their born that way.
    They suck it up and do the job ease. The wanabes struggle all the way.
  15. Replies
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    Actually I think using and Event to monitor a...

    Actually I think using and Event to monitor a device is a good idea. Set up and Event Log (EVL) and it will record each online and offline event. as well as send an alarm to the end LUser.
  16. Thread: Delta GCL+

    by AutoPilot
    Replies
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    504

    Onfor and Offfor Statements set internal timers...

    Onfor and Offfor Statements set internal timers in the program. The trace dots are just indicating that those lines with specified conditions are setting/resetting the timers.
  17. Replies
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    I use a Fluke Model 1587 multimeter. The best...

    I use a Fluke Model 1587 multimeter. The best meter I've ever had.
  18. Replies
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    536

    Yea that makes sense. I would still use an EV...

    Yea that makes sense.
    I would still use an EV pointed at the Device to alarm if the device is really offline.
    If you use an AI the AI could go into fault, but the device may still be online.
    If...
  19. Replies
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    536

    Weird. Try this workaround. Create an EV...

    Weird. Try this workaround.
    Create an EV (event) Object that's "Change Of State" and make it monitor the Dev Object from the device in question.

    No need to set the alarm state.
    Program a line...
  20. Replies
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    536

    What kind of Device and Manufacture?

    What kind of Device and Manufacture?
  21. Replies
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    536

    Does the device show up in ORCAview navigator?...

    Does the device show up in ORCAview navigator?
    Use Dev in filter bar in the right hand side of navigator and check the value.
    If the device is online it should indicate "operational".

    In the...
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    I would use something like "if (9122.dev9122 ...

    I would use something like "if (9122.dev9122 <> operational) then".
  23. Replies
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    Andover Continuum is probably the most powerful...

    Andover Continuum is probably the most powerful building automation software there is. I have been working with Andover stuff for almost 20 years. I've never run into anything I could not do with...
  24. Thread: Delta GCL+

    by AutoPilot
    Replies
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    504

    I think the trace dot is related to the "OnFor"...

    I think the trace dot is related to the "OnFor" timers. To make the code easier to read and understand you should use only one "Onfor" or "Offfor" on a single line only. Create local variables for...
  25. Replies
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    If there are no Access Control panels or...

    If there are no Access Control panels or personnel records in the system, the owner of site should have no problem giving you a temporary logon. Even if there were access records on the system he...
  26. Replies
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    1,866

    Have you tired to contact the contractor who...

    Have you tired to contact the contractor who installed your Delta system for support?
  27. You need to check the Modbus side at the VFDs. ...

    You need to check the Modbus side at the VFDs. Check out getting a Modbus RTU Simulator.
    If both Drives have the same Modbus address you won't get any data.
  28. Replies
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    Thanks Joey My older G.E. Turbo-Encabulator has...

    Thanks Joey
    My older G.E. Turbo-Encabulator has been given me trouble lately... Wont restart automatically after a power outage, and G.E. doesn't make spare parts for it anymore.
    Some of the idiots...
  29. Replies
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    Matrix. Like I said, I didn't set these up.....

    Matrix.
    Like I said, I didn't set these up.. They were supplied as Controllers on RTU's and Heatpumps from different manufactures.
    However, Sir, you're probably correct. Number 3 on your list is...
  30. Replies
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    1,819

    Matix -- Don't want to get into an argument with...

    Matix -- Don't want to get into an argument with you, but when you open a browser to the JACE in question the first message you get is "Niagara booting-- This may take several minutes".
    And, yes of...
  31. Replies
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    1,819

    Okay Guys, Thanks for your help. After alot of...

    Okay Guys,
    Thanks for your help. After alot of messing around in someone else's JACE I found a field under the platform called "IPV4gateway" if this field is left blank you can't get to it through...
  32. Replies
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    1,819

    Igotworms. port 81 came from post #2 in this...

    Igotworms.
    port 81 came from post #2 in this thread
    No, I did not change the port in WEB services. I have many JACE controllers on the same network. They all can't be on the same port for remote...
  33. Replies
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    Set up in the router is Port (range) to forward...

    Set up in the router is
    Port (range) to forward >>> To Private IP
    81 > 192.168.15.61

    JACE should be at HTTP://Public IP:81 Correct?

    The JACEs Have Workbench.. No need to get to the platform...
  34. Replies
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    Kevin, Thanks for help. I setup the port...

    Kevin,
    Thanks for help. I setup the port forwarding as you said, but, still not working. The router is a Clear ( old Clear-wire) broadband router. I know the port forwarding works because it...
  35. Replies
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    Muiltiple JACEs behind a Firewall

    Hey Guys
    Its been awhile since I worked with AX, and can't remember how to do this.
    I have several JACE controllers with the WEB-UI interface on the same private 192.168.x.x network behind a...
  36. Replies
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    Delta is by far the most BACnet compliant Native...

    Delta is by far the most BACnet compliant Native BACnet system on the market.
    Trane Co. Should really stick to making Chillers, Fan Coils and Air Handler units. When it comes to controls they fail....
  37. Replies
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    3,388

    LUser = Chief Janitor promoted to Chief Engineer....

    LUser = Chief Janitor promoted to Chief Engineer. Couldn't figure out the square root of one with a calculator. Now wants to know how a VAV box knows the air flow from a pressure sensor?
  38. I use these drives with Delta Controls all the...

    I use these drives with Delta Controls all the time and don't see this problem.
    One thing I noticed helped, was to set parameter 5312 (Max info Frames) to 8 for Delta Controllers. The Default is 1....
  39. Replies
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    1,377

    I've worked on Drives for over 20 years. Most...

    I've worked on Drives for over 20 years. Most problems with drive failures happen during the power up phase. Same as Light bulbs. Main thing to watch out for is temperature shock, wire connections...
  40. Replies
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    What Chiller are you using. And Why would you...

    What Chiller are you using. And Why would you want to run the condenser water down to 12°C ? most Chiller are designed for 85°F???
  41. Thread: MSTP vs FT10

    by AutoPilot
    Replies
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    6,320

    OH crap, what did I miss? How did BACnet get...

    OH crap, what did I miss? How did BACnet get Banned again?
  42. Thread: MSTP vs FT10

    by AutoPilot
    Replies
    112
    Views
    6,320

    Very good information here. Thank you guys for...

    Very good information here. Thank you guys for this discussion.

    I have a question on how BACnet controller that are configured for Confirmed and unconfirmed COV notification recover if a...
  43. Thread: ISA Certs

    by AutoPilot
    Replies
    1
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    518

    Yes, I have been a member since 1996. It was...

    Yes, I have been a member since 1996. It was originally founded in 1945 as the Instrument Society of America, and has since been change to the International Society of Automation.

    Check out...
  44. Replies
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    758

    Ya, I know I need the pump curve. I was trying...

    Ya, I know I need the pump curve. I was trying to find a way to calculate flow from a Differential Pressure input to a DDC System. I don't need anything super accurate just a good approximation.
    ...
  45. Replies
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    758

    Pump Test and Balance Question

    I have been told by a very good TAB guy that the flow of a pump can be determined by the pressure drop formula
    GPM actual = Sqrt(deltaP measured/deltaP design) * GPM design.

    This formula seems...
  46. Replies
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    813

    RTFM - Read the friggin manual. The...

    RTFM - Read the friggin manual.

    The Multi-trend has a save button.
  47. Don't do a learn.. This will cause grief. Best...

    Don't do a learn.. This will cause grief.
    Best way is to swap out offline LCX800 with new I2800 and record the serial number on the board from the new controller.

    Log on to the CMX240 and view...
  48. Replies
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    954

    Guys, There's a CLA-VAL pressure relief valve on...

    Guys,
    There's a CLA-VAL pressure relief valve on the discharge side of the pump. I have a suspicion this valve is not functioning properly. I'm not a plumber, But when they tell me one of the...
  49. Replies
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    954

    Crab, Thanks for link. This could be the...

    Crab, Thanks for link.
    This could be the problem, The Maintenance contractor is clue less, and I doubt if they every made any adjustments to anything on this site. They just go out and cycle the...
  50. Replies
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    954

    Strange Pump behavior

    Guys,
    Maybe posting this in wrong forum, This might be a question for a Mechanical Engineer, if so move it as desired.

    I actually witnessed this happening. I've worked with pumps for the last...
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