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Type: Posts; User: simux

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  1. Replies
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    Direct Connect

    When I worked at Johnson Controls, quite a few of my counterparts had a set up just like the one I stated. I totally agree if you use a direct connect wrong that could cause some issues. Of course in...
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    Direct N-2 Buss Connect Cable Direct N-2 Buss...

    Direct N-2 Buss Connect Cable
    Direct N-2 Buss Connect Cable

    N-2 connect cable

    1. (Serial Port Connector. 5 to N2+, 2 to N2-, and 3 to ref, with a 470 ohm resistor between 2 and 5.

    2....
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    The DX FAC Adapter can be installed right on the...

    The DX FAC Adapter can be installed right on the DX-9100 base. You can make this device N-2 or BaCnet protocal. Just an idea.
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    Thanks JCIman, I'll give the network tolerance...

    Thanks JCIman, I'll give the network tolerance setting a try.
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    NAE offline Online

    A few times a day our NAE goes offline and back online for a few seconds at a time. How do I delay this offline nuisance alarm?
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    3,879

    You can always create the processes in JC Basic.

    You can always create the processes in JC Basic.
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    Macro Files? Not sure of the files you speal of...

    Macro Files? Not sure of the files you speal of and all!!!
  8. Replies
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    The DCM's we had in the hospital had every slot...

    The DCM's we had in the hospital had every slot filled and the number of wires in the panel was staggering.
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    DCM's

    I use to work at a hospital that had DCM's at every mechanical area. I think like 10 or so of them. The boss was so proud to have sold like 12 NAE's to replace the NCM's. I was like you know the...
  10. What type of field controllers do you have? The...

    What type of field controllers do you have? The FEC controllers can have quite a bit of logic programmed inside the controllers. I wrote a Outside Air Reset of Discharge Air with a Return Air trim....
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    Delta Orca View Security Vulnerabilities

    We have a Delta Orca View system and was wondering what security vulnerabilities the system might have. I know our system hasn't been touched in years and was hoping someone might have some inside...
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    No worries, use to teach pneumatic controls back...

    No worries, use to teach pneumatic controls back in the day.
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    Back in the day we would use pneumatic step...

    Back in the day we would use pneumatic step controllers. It was basically a damper actuator that extended and made electric switches depending on where they were adjusted within the stroke of the...
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    Still not sure which type sensors the older Delta...

    Still not sure which type sensors the older Delta Controllers use.
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    Delta Controls Sensor Type

    We have an old Delta System with Orca View. When I go to add a sensor it gives me an option of 10K with a range of -35 to 240. Is this sensor a Type II or Type III. Thanks
  16. Thread: Older MS-FEC2610

    by simux
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    462

    Thanks man.

    Thanks man.
  17. Thread: Older MS-FEC2610

    by simux
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    462

    Older MS-FEC2610

    Thinking of purchasing an older MS-FEC2610-0 to practice with and all. Any concerns with revisions?
  18. Hopefully you have an old 32 bit windows XP...

    Hopefully you have an old 32 bit windows XP computer with HVACPRO loaded and a CVT Pro or direct connect cable. Retired Air Force Controls
  19. Replies
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    With a building that has many entrances, the...

    With a building that has many entrances, the outside air should be controlled by CO sensors located throughout the space. I would never use a set outside minimum in these type of facilities.
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    I seem to remember that they used DCM's for Smoke...

    I seem to remember that they used DCM's for Smoke Control Applications because they were UL Listed
  21. Thread: Delta Orca View

    by simux
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    Thanks Kontrolphreak, your the man. So I can...

    Thanks Kontrolphreak, your the man. So I can make sure the address is without the 100 and I can get points off the other controller.
  22. Thread: Delta Orca View

    by simux
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    436

    I did notice they have another controller...

    I did notice they have another controller connected To the main controller. BO-1 through Bo-4 are on that smaller controller.
  23. Thread: Delta Orca View

    by simux
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    436

    Delta Orca View

    I added a binary output but it continues to show a fault in the status. Help
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    365

    Actually found what i was looking for; Minco...

    Actually found what i was looking for; Minco makes a rubber flat sensor that you can mount on a window to get the surface temperature.
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    Surface Mount Temperature Sensor

    I'm looking for those surface mount temperature sensors that are flat rubber to inteface to a Johnson Controls UNT Controller.
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    Direct connect cable I've used a direct connect...

    Direct connect cable
    I've used a direct connect cable for years... They're easy to make and it's really sweet because you can make it long enough to access controllers in the ceiling.

    Materials...
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    You need HVACPro, a windows 32 bit computer, a...

    You need HVACPro, a windows 32 bit computer, a USB to serial port adapter, and a direct connect cable.
  28. Direct Fired Gas Make Up Air Unit Flame Failure

    This might seem like an odd problem!!! We have an older Direct Gas Fired make-Up Air Unit that flame fails at start up. Once the unit has been started and all it's fine for the whole day. So far new...
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    I recently got one of these Robertshaw Books from...

    I recently got one of these Robertshaw Books from my friend. Pretty Sweet!!!!! Thanks Yves!!!!
  30. Replies
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    Remember working on a lot of Robertshaw...

    Remember working on a lot of Robertshaw Controllers. They were really easy because the manufacturer pressure was 12 PSI. So a proportional band of 10% meant that a input change of 1.2 psi changed the...
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    If you replace the NCM's, just make sure the...

    If you replace the NCM's, just make sure the NAE's support all your controllers. I seem to have remembered they don't support DCM's.
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    Millenial Net

    We put in some electronic pneumatic stats that communicate via BACnet wiressly from Millenial Net. I think Johnson makes them and other manufacturers. Pretty sweet
  33. Replies
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    Formulas

    Pneumatic Control Terms



    Controller A device that receives an input from a sensor and outputs the appropriate signal.

    Controlled Variable The substance that your trying to maintain,...
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    Niagara version 4.6

    What kind of issues has anyone had with Niagara 4.6 that was released in July.
  35. First off you have to determine which system you...

    First off you have to determine which system you have. You should have some sort of front end controller. The front end controller would be connected the communication bus from the controllers. The...
  36. Thread: Johnson N2 Help!

    by simux
    Replies
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    1,087

    Do you have NAE's or NCM's for the front end?...

    Do you have NAE's or NCM's for the front end? Then do you have pass thru on the front end with a copy of HVAC Pro so you can back up the configurations for the controllers and download them. Also I'm...
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    I kind of figured it was a major undertaking....

    I kind of figured it was a major undertaking. Probably involves a bunch of temporary panels and lots of temporary wiring etc... Some of the big issues are when there are numerous global points and...
  38. Thread: New to controls

    by simux
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    Lap Top

    If you search HVAC Pro you will get more information on lap top requirements utilizing M-tools. I know the last time I used HVAC Pro you needed a 32 bit computer with Windows Xp. Although some people...
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    Meshcape Pneumatic Thermostat Retrofit

    So does anyone have any comments on the Meshcape Pneumatic Thermostats from Millenial Net. Or maybe where to purchase them. Thanks
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    Wow, that looks like a lot of work!!!

    Wow, that looks like a lot of work!!!
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    How did you get all the devices and components...

    How did you get all the devices and components into the cabinet. The DCMs I've seen are like maxed out with numerous pneumatic outputs.
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    Failure to Launch

    It does seem that quite a few people don't see the writing on the wall. I was just wondering how do you replace such a beast that normally has smoke control logic. Not sure you could fit enough...
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    I remember some of our sites for Johnson Controls...

    I remember some of our sites for Johnson Controls used Hyper Terminal to access the NCM's. If that's the case you would have to get PMI software that you could load on a 32 bit Windows XP machine.
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    Question About JCI DCM's

    When I worked for Johnson Controls some of our biggest facilities had NCU's with DCM-140's and of course all the modules. I remember when the NAE came out it did not support DCM's. So I was wondering...
  45. Thread: Good Article

    by simux
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    Good Article

    https://www.esmagazine.com/articles/98788-back-to-basics-sensors-and-actuators?utm_medium=Email&utm_source=smartphone&GenwiShareGUID=cb36f6a7-df8a-4306-906f-e2d0ab495bf0
  46. Replies
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    Comm

    The N-2 Bus...
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    Action

    I don't know how may times I've run across a vav unit with the reverse volume reset controller bypassed.
    Then the vav box closes when it's hot and opens when it's cold.
  48. Thread: pnematics

    by simux
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    2,008

    I have an isolation valve that can isolate the...

    I have an isolation valve that can isolate the air compressor and allow me to use a temporary air compressor through the air dryer. Pretty slick
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    I always liked to simulate the thermostat signal...

    I always liked to simulate the thermostat signal and use a flow hood to set my minimum and maximum air flow. Of course it's really important to have the thermostat calibrated.
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    I use a N-2 direct connect cable which is...

    I use a N-2 direct connect cable which is basically a serial cable with an N-2 connector on one end. I of course used a usb to serial adaptor on port 1.

    (N-2 connect cable). 5 to N2+, 2 to N2-,...
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