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Type: Posts; User: zzip7

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  1. Replies
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    There are definitely applications for poe and I...

    There are definitely applications for poe and I have seen them used for specific reasons with special customers, but I think it will be a long time before that's the norm.

    Examples:...
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    There is a weather add-on for enteliWEB that you...

    There is a weather add-on for enteliWEB that you can get from Delta. I haven't used it myself but I've heard it works well. I believe it updates the forecast temperatures to AVs on the network which...
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    The enteliWEB license is very similar to the old...

    The enteliWEB license is very similar to the old ORCAview. As always with Delta, every install includes all the programming features, the customer gets what the dealer has. The main difference with...
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    RIBXLCV, has built in analog current sensor. Also...

    RIBXLCV, has built in analog current sensor. Also works with AC or DC control signal.
  5. Thread: BACNet wire

    by zzip7
    Replies
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    2,628

    All said, this is correct. I've always used...

    All said, this is correct. I've always used low-cap cable on projects, as many have mentioned, the cost of the cable is so minor compared to everything else. It's really not the place to cheap out.
  6. Thread: BACNet wire

    by zzip7
    Replies
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    2,628

    I think if the engineer specifies [at time of...

    I think if the engineer specifies [at time of tender] low-cap shielded cable with an impedance of 120 ohms for all MS/TP networks, most vendors should be able to accept this given that it's written...
  7. Thread: BACNet wire

    by zzip7
    Replies
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    2,628

    As the engineer I would suggest you specify the...

    As the engineer I would suggest you specify the correct cabling for RS-485 networks in your specs. I have seen consultants in my area do this, and I have actually heard of them making contractors rip...
  8. Thread: BACNet wire

    by zzip7
    Replies
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    2,628

    I'm not a JCI guy, but I know JCI recommends a...

    I'm not a JCI guy, but I know JCI recommends a maximum of 32 devices per segment on their facility explorer MS/TP products which is quite a bit lower than other vendors. This may be due to the...
  9. I can't comment on Alerton specifically, but with...

    I can't comment on Alerton specifically, but with the Delta Controls products I work with I have seen many MS/TP networks at 76.8k with no repeaters with over 60 devices. Delta recommends a maximum...
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    It was pretty straightforward in the end. Turns...

    It was pretty straightforward in the end. Turns out they did have a WebCtrl machine onsite. The system is brand new just out of warranty in a new building. It's all ARCnet, but I was able to discover...
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    ALC System, ARCnet or MSTP?

    I'm going to a site to have a look at an existing Automated Logic system that the customer want us to integrate with. I haven't worked with ALC much but I know a lot of ALC system use ARCnet and not...
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    Found this online,...

    Found this online,
    https://www.clayton.k12.ga.us/UserFiles/Servers/Server_54431/File/Departments/Maintenance/References/controls/Reliatel%20Controls.pdf

    "Supply air tempering maintains the supply...
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    771

    Don't tell me that, it's a real pain to access if...

    Don't tell me that, it's a real pain to access if it has to be reset.

    Sent from my SM-G950W using Tapatalk
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    It's got a Magnum BACnet controller in it. I was...

    It's got a Magnum BACnet controller in it. I was trying to get a CHW reset from the BMS via BACnet.

    I think I figured it out, it seems like you set the low end of the CHW setpoint locally and then...
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    771

    AAON LC Air Cooled Chillers

    I'm doing some controls work on a site with two little air cooled chillers, they're AAON LC 10 ton heat pump scroll compressor units with unloaders from about 2010.

    I've never dealt with any AAON...
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    432

    If you're trying to check if say an analog input...

    If you're trying to check if say an analog input is shorted or open or on an offline i/o module or something you can do that this way:

    If AI1.Reliability <> 'No Fault Detected' Then
    //Do...
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    The customer wants to test the firmware on this...

    The customer wants to test the firmware on this one unit before we roll it out on the whole site.
    So I've gone ahead and upgraded it to v6.2.0.1054, which is the version I have with PCT 10.2. So...
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    As a quick update, I've checked in on that fan...

    As a quick update, I've checked in on that fan coil that I reset last week. It's back to cycling the valve from the looks of things. So I'll probably suggest to the customer that we upgrade the...
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    This building is definitely full of those. ...

    This building is definitely full of those.

    I'm not sure how that auto tune algorithm works, but part of the problem may be that a lot of the fan coils seem to be undersized for their cooling...
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    I am definitely not aware, I'll have to look in...

    I am definitely not aware, I'll have to look in to that. I'm pretty new to working with the JCI stuff. It's very different than what I'm used to.

    Sent from my SM-G950W using Tapatalk
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    Yeah I figured as much. I have PCT 10.2. I...

    Yeah I figured as much.

    I have PCT 10.2. I suspect there's no way of disabling the auto tune without uploading/downloading all the controllers anyway so I might as well just upgrade them.
  22. Replies
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    The caf files show a file version of 5.3.0.2200,...

    The caf files show a file version of 5.3.0.2200, would that have the issue?
    It does almost look like it's an on/off control pulsing the 0-10V signals the way it does when they are near setpoint....
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    FX-PCG Self Tuning Gone Wild?

    I've got a building with 4 pipe fan coils with modulating fans and valves that I've started working on. We weren't the ones who set it up initially so I'm just trying to figure it all out.

    The fan...
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    Awesome thanks!

    Awesome thanks!
  25. Replies
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    Yeah that does work, but the idea is to make an...

    Yeah that does work, but the idea is to make an easy service tool that I can plug in and remove without messing with the wiring every time. I'm also mostly not using FX-PCT, it's to use with a...
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    JCI FC Bus Port Pinout on FX-PCG/PCV

    I'm trying to make a breakout cable to connect a portable MS/TP router to the FC bus port on the front of the FX-PCG controllers.

    Does anyone know the pinout of the jack? I didn't have any luck...
  27. Replies
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    I work with Delta Controls, so here's what I'd...

    I work with Delta Controls, so here's what I'd say:

    Pros:
    -Solid Hardware and BACnet integration
    -Awesome Tech Support and Online Resources
    -Very flexible product line, you program it to do...
  28. Thread: Delta Questions

    by zzip7
    Replies
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    453

    The software keys are not version specific, they...

    The software keys are not version specific, they may have a version printed on them because of when you bought them but there's no actual difference. So you should be able to run 3.40 no problem with...
  29. Thread: PSH600-UPS-STAT

    by zzip7
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    That unit does look better. We're typically...

    That unit does look better.

    We're typically spec'ed to install UPS on lighting controls when we control the emergency lighting. It's usually because they don't want the switchover to generator to...
  30. Thread: PSH600-UPS-STAT

    by zzip7
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    544

    100% correct. Only the relay board is useful, and...

    100% correct. Only the relay board is useful, and we can probably build our own easier.

    I've used these on two projects and had several of the included UPSes burn out permanently after the 1st or...
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    Tuning large heat recovery system

    I'm working on a new construction building which uses exhaust, cooling, and dehumidification heat recovery as the first heating stage.

    The chillers reject their heat into the building heating...
  32. Find the DER objects in the controller that is...

    Find the DER objects in the controller that is doing the reading. There should be 1 DER for each reading transfer, find the ones associated with your mode variables. Open the DER and check if the...
  33. Thread: ECM Pumps

    by zzip7
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    I've worked with lots of these "smart" sensorless...

    I've worked with lots of these "smart" sensorless pumps from Armstrong and Grundfos. They are always a nightmare to get working properly. Unfortunately these seem to have become the standard for new...
  34. I definitely agree with this. COV is great when...

    I definitely agree with this. COV is great when it works for specific applications, but unless you've thoroughly tested a particular vendor's implementation. I generally don't consider it "reliable".
  35. Typical BACnet/IP to MS/TP routers like the...

    Typical BACnet/IP to MS/TP routers like the Contemporary Controls BASRT-B don't do any "polling" themselves if I understand your question correctly. Your other BACnet/IP devices would be doing the...
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    Whenever we see one of those on the wall, we know...

    Whenever we see one of those on the wall, we know the job was done on the cheap. Definitely the budget choice.
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    You are partially correct. The existing controls...

    You are partially correct. The existing controls have apparently not worked well since day 1. I agree that the hardware is likely fine, it usually is in my experience. Like you said poor programming...
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    Data Transfers on JCI FX-PCV/PCG

    I'm about to start a project that has us replacing all the existing air handler controllers in a building with a JCI FX system. The JCI FX-PCV VAVs and FX-PCG fancoils are going to remain.

    Are...
  39. Sounds like a VVT system if you've got zone...

    Sounds like a VVT system if you've got zone dampers with no flow control. I assume there's no zone reheat.

    Those VVT systems never work very well, but usually they are setup to have the zones take...
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    Interesting to hear the discussion of canned...

    Interesting to hear the discussion of canned programming. In the area I'm in, a lot of projects will qualify out anything "fixed algorithm" or "canned" program. They often also say that B-ASC devices...
  41. kontrolphreak is correct. In all Delta...

    kontrolphreak is correct. In all Delta Controllers v3.40 firmware and older only the physical IO points have priority arrays. So your BV will not have one.

    The new v4.x firmware does have priority...
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    That happens quite a bit, often just...

    That happens quite a bit, often just reinitializing the descriptors fixes it, but also check in your laptop's device on the tree and make sure there are no objects in there that refer to those...
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    Nice... Although, I'm a big believer in longer...

    Nice... Although, I'm a big believer in longer code if it means it's easier for the service guy or the customer to read and understand it. The controllers have some much memory now that it's rarely...
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    Yeah that's the same experience I've had. I work...

    Yeah that's the same experience I've had. I work with Delta Controls, but I've integrated with lots of other vendors too. We always start at 1 and go up from there avoiding gaps. Routers are usually...
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    The tricky thing with the OnFor and OffFor is...

    The tricky thing with the OnFor and OffFor is that they should really be called "True For" and "False For"
    So if you write the following:
    If (BV1 = Off) OffFor 5M then
    BV2 = On
    EndIf
    That is a...
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    Interesting, thanks for the info. We don't see...

    Interesting, thanks for the info. We don't see much JCI stuff in our area so maybe that's why I haven't encountered this issue yet.
  47. Replies
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    JCI BACnet MS/TP MAC Address 1-3 Reserved

    Does anyone know why JCI says we cannot use MAC addresses 1 to 3 with their products? What are they reserving this for? I've never seen a rule like this on any other BACnet products I've worked with....
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    I believe this feature is only available in...

    I believe this feature is only available in version 3.40+
  49. Thread: Dimming Lighting

    by zzip7
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    1,276

    I have used this module for small track lights...

    I have used this module for small track lights and the like and it's worked well. It won't do a large high load circuit though....
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    Sticky: Thanks! This is an awesome idea, MS/TP issues are...

    Thanks! This is an awesome idea, MS/TP issues are a major time sink for me.
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