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  1. Replies
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    Yes, it is a retrofit. And the boiler is very...

    Yes, it is a retrofit. And the boiler is very old. We are replacing pneumatic system.
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    I do monitor HW supply temp and alarm it. In the...

    I do monitor HW supply temp and alarm it. In the spec I should provide boiler status and flame failure in addition to water temperature monitoring..
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    Thank you all for your replies. I like the idea...

    Thank you all for your replies. I like the idea of using relay. I'm not sure about current switch: it is really not too much current and the switch could be faulty. I will definitely research both...
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    I see that the working range is 90 - 130 . It...

    I see that the working range is 90 - 130 . It doesn't look that this stat would work.
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    Flue gas sensor

    I need to get a boiler status and flame failure alarm. These point are not available from the boiler. My plan is to install flue gas sensor (or switch) and with some logic indicate required values on...
  6. Thread: Oscilloscope

    by eparizher
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    2,499

    By the way, how can you connect one channel scope...

    By the way, how can you connect one channel scope to the com trunk? My understanding that when you connect scope ground to the com wire (that is not ground), you can break the communication because...
  7. Thread: Oscilloscope

    by eparizher
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    I like Picoscope 2205. What is your opinion?

    I like Picoscope 2205. What is your opinion?
  8. Thread: Oscilloscope

    by eparizher
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    2,499

    What model do you have?

    What model do you have?
  9. Thread: Oscilloscope

    by eparizher
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    2,499

    The main purpose for the oscilloscope is to see...

    The main purpose for the oscilloscope is to see what is a signal shape, square or sinus wave, level of noise. All basic tasks that allow me to troubleshoot if I have electrical, hardware failure or...
  10. Thread: Oscilloscope

    by eparizher
    Replies
    17
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    2,499

    Oscilloscope

    I'm planning to get a USB (computer based) oscilloscope for troubleshooting BACnet MS/TP, Modbus and Lon networks.
    Can you advise me what parameters should I select for this task.
    So far I think...
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    Baldor VS1 VFD Modbus Integration

    We have a very fast truck project (Niagara AX) with a lot of integrations.
    Everything is fine except Modbus integration with Baldor VFD drive. I'm getting wrong values or points are in fault.
    Maybe...
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    Thank you, I will take a look.

    Thank you, I will take a look.
  13. Replies
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    1,576

    I don't want to control BO from 50 different...

    I don't want to control BO from 50 different algorithms. I want to create interface that allows to make programming easier, more graphical. After full configuration of the controller the station will...
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    This is just an example. For this particular...

    This is just an example. For this particular object BO it could be about 50 different properties. The same approach applied to other objects with total number of possible properties about 100...
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    My idea to write interface that replace NBPro as...

    My idea to write interface that replace NBPro as much as possible. The reason for this is because if I need to debug a program almost every time I have to do reverse engineering. The same about...
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    Since NBPro is not very user friendly, I try to...

    Since NBPro is not very user friendly, I try to make partial substitution for this tool. Obviously solution with AVs and BVs won't work: too many properties. Also I can't use SPL for anything not...
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    It's exactly what I need. The only thing I still...

    It's exactly what I need. The only thing I still can't write this value from AX. I tried numeric and enum points.
    Getting error
    Property:Invalid Data Type
  18. Replies
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    I see some misunderstanding. If I need to read...

    I see some misunderstanding. If I need to read point, I can discover and add point to the database as any type and it doesn't conflict with the controller data type. For example I can add binary...
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    First of all it's not a bag. Whole Automatrix...

    First of all it's not a bag. Whole Automatrix programming based on proprietary properties.
    The point can be discovered as a text in AX if Niagara doesn't know the data type. All other proprietary...
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    My question is how to add writable point to the...

    My question is how to add writable point to the AX to be able to change value from AX. I.e. change input property in the PID object from AI-1 to AI-2.
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    Automatrix proprietary properties

    I try to add AAM proprietary property in Niagara, that has two values in the same property. For example: Analog Output 1 Auto-Stuffing Input object will be AI-1 53041. I can discover this property as...
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    How the communication is established between...

    How the communication is established between controller and the front end? I was under impression that it is a BACnet communication. Am I right or some proprietary property/protocol allows to see the...
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    Thank you. It's what thought. Just curious, why...

    Thank you. It's what thought. Just curious, why make open protocol points private? What stands behind this approach?
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    ALC Integration

    I have to integrate Automated Logic site. There is no problem discovering all controllers (BACnet over IP), but I can't see any points in the controllers. Only system objects and alarms. Also I can...
  25. Replies
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    No experience yet, we just plan to have a...

    No experience yet, we just plan to have a training this year and do some small installations.
  26. Replies
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    New management level controller/front end....

    New management level controller/front end. Replacement for Tridium JACE/Supervisor.
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    I've forwarded it to you.

    I've forwarded it to you.
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    Thank you!

    Thank you!
  29. Replies
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    This module written by Gareth Johnson. I don't...

    This module written by Gareth Johnson. I don't have remote access to the site.
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    AX globalUser.jar module

    Is anybody can send me globalUser.jar? I have an old project that I want to open on my laptop and this module is missing.
    The email is in my profile.
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    There are 21 controllers total with mix firmware...

    There are 21 controllers total with mix firmware revisions.
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    We had one integration. It works good with new...

    We had one integration. It works good with new firmware, but not old one. Infocon promised us to update the driver in a month. Looks like you have the same issue/
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    If I'm sitting in a classroom, what is the...

    If I'm sitting in a classroom, what is the difference for me if OA CO2 is higher or lower? The comfortable space CO2 level should be around 800-900 ppm. If for some reason OA CO2 (which is typically...
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    Here is a sequence: The classroom CO2 level set...

    Here is a sequence:
    The classroom CO2 level set point should 700 ppm higher then outside air CO2 level. It doesn't make to much sense to me, but I have to submit and program exactly this way.
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    ACI and Telaire don't offer outside CO2 sensor....

    ACI and Telaire don't offer outside CO2 sensor. Senva looks good. Thank you.
  36. Replies
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    Outside Air CO2 Sensor

    I have to monitor outside air CO2 level in my project. What could be a good sensor and who is a manufacturer?
  37. It depends. If you talking about connecting...

    It depends. If you talking about connecting blocks, I agree. But if you need to do something more advanced like writing a program block or module, it's better to teach programmer HVAC.
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    Looks like I found the problem spot. As soon as I...

    Looks like I found the problem spot. As soon as I reset the controller 300, I get communication to 500, 600 and 700. The only problem that after resetting 300 it requires reconfiguration (small...
  39. Replies
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    Thanks, I'll try it tomorrow.

    Thanks, I'll try it tomorrow.
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    I created new user account for myself with top...

    I created new user account for myself with top level privileges and no restrictions. Obviously I can't check SUA in the controller that I can not communicate.
    I'll be on the site tomorrow and check...
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    Actually I already checked all NET object....

    Actually I already checked all NET object. Everything is set correctly there.
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    Never worked with Apogee, but in general instead...

    Never worked with Apogee, but in general instead of discovering schedule in Apogee server you can push it on JACE level. Use BACnet schedule export manager.
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    My understanding you are talking about Siemens...

    My understanding you are talking about Siemens branded Tridium JACE and/or Workstation. Different license, features and price.
  44. Replies
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    I'm not a Delta dealer and all my access only...

    I'm not a Delta dealer and all my access only through the customer's ORCAview (that eventually goes away as a front end) .
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    I connect two through IP using ORCAview and...

    I connect two through IP using ORCAview and Niagara. In both cases the result is the same. I can't communicate to 500, 600 and 700 (see attachment), but I can see all three NET2 subnet from these...
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    Delta network problem

    We have to integrate building with Delta installation. There are 3 system level controllers (BACnet over Ehtenet) and 3 system controllers MS/TP that connected to NET1 on one of Ethernet controllers....
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    Thanks for replays!

    Thanks for replays!
  48. Replies
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    Trane damper actuators

    We have to control Trane unit ventilators that came with actuators
    X13611407-01 and X13611005-04.
    I couldn't find any cuts for these actuators. Is anybody can help me with documentation or just...
  49. Thread: Staefa Talon

    by eparizher
    Replies
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    1,240

    You can configure everything in AX. To be more...

    You can configure everything in AX. To be more productive you need Staefa templates. The templates allow to configure everything through the graphic interface.
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    I've sent you animations.

    I've sent you animations.
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