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  1. Replies
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    A simple answer: The difference between Lon and...

    A simple answer: The difference between Lon and BACnet - is like the difference between Spanish and French. Both are used to convey information, but have different rules on how that information is...
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    If it's talking to an Autoflame, it's likely not...

    If it's talking to an Autoflame, it's likely not an LSI; it's probably an LSI-MODbus. Is the cover Blue? If so, it's an LSI Modbus. Default password was 'pass' and rarely changed.
  3. Replies
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    Neither. It's not a DP sensor, it's a hot wire...

    Neither. It's not a DP sensor, it's a hot wire anemometer. (same technology that most balancer hoods use) It does not matter which port you plug the high or low into.
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    18 gauge 3 conductor +Shield, low capacitance. ...

    18 gauge 3 conductor +Shield, low capacitance. This will be the same for any RS-485 circuit.
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    If you want to upgrade, upgrade. If not, don't...

    If you want to upgrade, upgrade. If not, don't let IT force you into it. Tell them that in order to replace your XP machine, they will have to fund the upgrade.
    You either get to save yourself a...
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    I gotta ask - what control line DO you like?

    I gotta ask - what control line DO you like?
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    Not for smell. For removing hydrocarbons. And...

    Not for smell. For removing hydrocarbons. And for the record, a trained basset hound is way cheaper than an engineer.
  8. We tend to pull a lot of data for building...

    We tend to pull a lot of data for building optimization. I think the issues start when we pass 65 on a trunk.
    The CC router CAN handle it. And they are not necessary unless you have issues with an...
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    Carbon Filter Monitoring

    Is there a way to monitor carbon filters to determine if they have any useful life left?
    The filter vendor wants me to pull one out quarterly and send it to his factory for lab testing. Kind of...
  10. No, a Jace has no issue with Alerto;n - it's an...

    No, a Jace has no issue with Alerto;n - it's an issue with overloading the MSTP trunk. The Jace slows down significantly under heavily loaded trunks. Split the load onto 2 Jaces, and the issue goes...
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    People have been saying that for a long time now,...

    People have been saying that for a long time now, but the amount of Ethernet cabling you would have to pull, and switches you would have to install and support is still cost prohibitive. Daisy Chain...
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    The chip manufacturer that made the com chips for...

    The chip manufacturer that made the com chips for those cards quit making them, and computers stopped coming with ISA slots,so Alerton was forced to discontinue making them, and eventually was forced...
  13. If something breaks in the future with JACE's...

    If something breaks in the future with JACE's installed, you will have to deal with the exact same issues. There is really no reason to spend a bunch of money to change something that works. Jaces...
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    Either way works, I tend to choose based on the...

    Either way works, I tend to choose based on the competency and availability of the owners IT department. There is no way they would let a contractor fiddle with their VLAN; so if you are not...
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    Yup. And your field controllers are more...

    Yup. And your field controllers are more expensive as a result.
  16. Replies
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    Really? How often do you lose your global?!?

    Really? How often do you lose your global?!?
  17. Replies
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    They are a Danfoss drive. Danfoss have a basic...

    They are a Danfoss drive. Danfoss have a basic BACnet comm embedded, or an enhanced add-on board. I think that their original embedded board sucked, so they created the add-on, but they later fixed...
  18. Replies
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    I have bought a few Johnson buildings to an...

    I have bought a few Johnson buildings to an Alerton front end, Fieldserver (Never again on a medium or large project.) Jace, and S4Open.
    Jace and S4 are really good options, both worked well. In...
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    All MSTP repeaters are RF-485 repeaters, but not...

    All MSTP repeaters are RF-485 repeaters, but not all RS-485 repeaters are MSTP repeaters. Ensure you ask the manufacturer if the repeater is approved for use with BACnet. (The protocol has...
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    Ignore the product, get unbiased references on...

    Ignore the product, get unbiased references on the installing contractor. From campus owners that have multiple systems installed. Customer service, is more important that the brand of controller.
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    It looks like it's going to be awesome, but IMO...

    It looks like it's going to be awesome, but IMO it's not mature yet. Give it a year or so for someone else to work through all the unexpected issues.
    It looks like it's going to be "Jace...
  22. Replies
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    It depends on how much you know about them. If...

    It depends on how much you know about them. If you are simply a system operator changing set-points and schedules, absolutely nothing. If you are a technician installing both types of systems,...
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    Portables will ALL have some sort of display...

    Portables will ALL have some sort of display panel/keypad, because you have to have a method to enter variables such as pipe diameter, schedule, material, etc. Sorry.
  24. Replies
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    Click on 'Help' 'about' and ensure that it shows...

    Click on 'Help' 'about' and ensure that it shows that you are at SP5, and the enhanced trendlog viewer shows as an installed app. If not, some component didn't install correctly.
    Is it installed...
  25. Billcontrols, I applied this on Saturday. Worked...

    Billcontrols, I applied this on Saturday. Worked perfectly. Thank you!
  26. JCI AS VAV-141 averaging temp sensors

    I need to average two space sensors on an older AS VAV-141 VAV Controller. Yes, I know it won't make anyone happy... but I have to do it. I have seen it done once before, but can't remember all the...
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    Who is your local Alerton Dealer?

    Who is your local Alerton Dealer?
  28. Old programming software and Visio plugin Not as...

    Old programming software and Visio plugin Not as old as most of the larger vendors
    - Programming not really user friendly I taught my 12 year old how to program Alerton... I think it's pretty easy....
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    Consider this: If say it were the diodes that...

    Consider this: If say it were the diodes that went out, and you replace them, it's likely two service calls, one to diagnose, one to install after parts get shipped. Then in a few months, the fan...
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    If you want to try another VFD Brand, I would...

    If you want to try another VFD Brand, I would suggest Danfoss. My second choice is ABB.
    Both are able to speak FLN.
    Good luck!
  31. Replies
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    You mean reset the damper zero? The default code...

    You mean reset the damper zero? The default code most dealers use will cause this to happen overnight, while the VAV is off and the AHU is down (Checks for no airflow) But uit's not really necessary...
  32. Replies
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    Resistor in place of the thermostat is the...

    Resistor in place of the thermostat is the simplest, you can even install it at the unit and avoid having to be in the spaces with occupants. It doesn't require any energy source, you can reuse it,...
  33. Speak to your ABB Supplier. I don't think anyone...

    Speak to your ABB Supplier. I don't think anyone else can sell them to you. If you have an option, I would use the FLN protocol... If you ever need assistance from the dealer, they are usually far...
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    I will second everything Cheesehd said. :)

    I will second everything Cheesehd said. :)
  35. Replies
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    Installed in 1997 - Unless there have been...

    Installed in 1997 - Unless there have been upgrades, it is an Ibex control system, with some revision of Ibex for Windows as the user interface on the PC. That system is actually quite robust. ...
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    On multi-vendor networks it is imperative to...

    On multi-vendor networks it is imperative to understand how each vendor does stuff. Some have built in terminating resistors, others don't - but you must find out and disable all but the end of line...
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    You are correct - it was the age of the drives. ...

    You are correct - it was the age of the drives. All were installed at the same time, but apparently one was older than the rest...

    Thanks for your help!
  38. Replies
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    Best bang for your buck is is to have an Alerton...

    Best bang for your buck is is to have an Alerton Dealer replace your Alerton Ibex Global Controllers with Alerton BACtalk BCM-Tux global controllers. They will re-write the software to fit the newer...
  39. Replies
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    All BCM's can support NAT if you flash up the...

    All BCM's can support NAT if you flash up the firmware. VLX can, too.
    Controller must be set up for BACnet IP, appropriate UDP Ports must be forwarded in your router.
    Follow the network setup...
  40. Replies
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    Don't you just look at alarm history?

    Don't you just look at alarm history?
  41. Replies
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    I don't remember exactly, I don't think I've ever...

    I don't remember exactly, I don't think I've ever actually gotten this error.. but here's a guess:
    - Is the Apex addressed as Apex 1? There must be an Apex one, the entire system looks for Apex...
  42. Replies
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    Could he be using it as a colloquial term? for...

    Could he be using it as a colloquial term? for instance, my boss just added a ton of charcoal to the BBQ?

    If he's actually trying to say air conditioning tons, and he actually bumped it up by...
  43. Alerton controllers don't need to do a scheduled...

    Alerton controllers don't need to do a scheduled autozero, ever. Here's why:
    There is a motor timing value you spoke of, 'n' seconds. The Alerton controller drives the actuator open and shut as...
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    AV-95 and AV-96 don't support priority arrays,...

    AV-95 and AV-96 don't support priority arrays, but they are writeable. If they automatically reset themselves to some value, either they are not actually being written to by the Jace, or there is...
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    You will need a software key for your new system,...

    You will need a software key for your new system, software is not password protested in the IBEX system.
    There are two dealers in NV, BCS is in Reno and Climatec is in Las Vegas. They should be...
  46. Replies
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    ABB VFD's on Siemens FLN

    I have 4 identical ACH-400 VFDs (2 supply fans, 2 exhaust fans) in 2 AHUs total of 8 ABBs.
    Each ABB has a fiber optic NFLN-01 interface; there are no settings on the interface other than the...
  47. Replies
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    Microview / Lanview / Apex / Apex light are all...

    Microview / Lanview / Apex / Apex light are all global controllers. The system you have is an "Ibex" system. You can't directly buy a license for this any more since many of the components for this...
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    Check: 1) DDC Diagnostic screen - ensure DDC is...

    Check:
    1) DDC Diagnostic screen - ensure DDC is not halted. If it's halted, there will be a message as to why.
    2) Ensure you have an End of Normal at the end of your code.
    2) Ensure you are only...
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    Update: My mistake, they are FU Sheng...

    Update: My mistake, they are FU Sheng compressors...
    Also, the unload and load relays are two separate relays. Do I start a compressor with "unload" energized, then de energize for more capacity,...
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    Sanyo Screw Compressors SR-3UL

    I have a set of 4 Sanyo SR-3UL screw compressors in a mammoth unit, each compressor has a 'load' solenoid, and an 'unload' solenoid.
    From the wiring diagram, it looks like on compressor start-up...
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