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Type: Posts; User: JohnLoves2ski

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  1. Replies
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    Envision has a built in web server, you just...

    Envision has a built in web server, you just enable it (use a virtual machine) and do some configuration, then it does an automatic conversion process on the graphics and you are off and running. ...
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    I'm not saying it's right, I'm just explaining...

    I'm not saying it's right, I'm just explaining why it is how it is...
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    I put 65 controllers on MSTP trunks all the time;...

    I put 65 controllers on MSTP trunks all the time; you can go up to 127. (128 actually, but we like to avoid MAC 0). You run into the exact same issues as you do when you load up a LON 2-wire trunk -...
  4. Most supervisory controllers are powered by...

    Most supervisory controllers are powered by transformers, and the UPS manufacturers don't rate them for transformers.
    As a rule of thumb, I figure out my VA load of transformers, and select a UPS...
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    It's a labor saving trick by the controls...

    It's a labor saving trick by the controls start-up guy. If the programmer is commissioning the system and finds a hot water valve that is operating backwards, he has two choices:
    1) Find a...
  6. Where are you currently located?

    Where are you currently located?
  7. Your compass should not be that old, ask yor...

    Your compass should not be that old, ask yor udealer to upgrade you to 1.5 under warranty. If he won't, tell him to fix your trendlog issue. He will have to update you to fix it.
  8. Yes. 4-20mA is by far the best choice, as it has...

    Yes. 4-20mA is by far the best choice, as it has no loss of resolution. When setting it up, scale it as if it were a 1-5V input. Use a 250 Ohm resistor on the input.
    Cheers!
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    It shoud be here: Visualogic/file/Save as...

    It shoud be here: Visualogic/file/Save as drawing
    or
    Visualogic/file/Save drawing as DDC

    What portion of this is not there for you?
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    I love it. The only thing I ever do with N2 is...

    I love it. The only thing I ever do with N2 is integrate to it, and the quick bus tester is my first step. I can send the newest tech out and he will come back with a clear picture of what's on the...
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    Before you start, ensure you know WHY the old one...

    Before you start, ensure you know WHY the old one died. If it's getting 120V for power due to a shorted transformer or something crazy like that, it will blow up the new card too.
    Note that if you...
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    If you are not the guy that has to...

    If you are not the guy that has to start-up/troubleshoot/repair them, yaskawa drives are fine. (and cheap) but working with them requires a hieroglyphics to english dictionary. With Yaskawa you...
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    Good heavens, man! Specify the drive!

    Good heavens, man! Specify the drive!
  14. You are correct, but Oh My Goodness you would...

    You are correct, but Oh My Goodness you would need to have a lot of faith in your installers, and everyone else that ever worked in the area for the life of the system - if you chose to use...
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    56,516

    Ouch... I have never had to hack the password on...

    Ouch... I have never had to hack the password on an LSI Config file. Will likely have to contact local dealer, get them to ask the factory. :(
  16. Replies
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    56,516

    Yes. source: I have seen it running on Server...

    Yes. source: I have seen it running on Server 2012 64 bit. I don't know how it got there, or if it was difficult or not.
  17. Replies
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    56,516

    Yes.... you can do either. The guy the programs...

    Yes.... you can do either. The guy the programs it gets to decide. It can be changed later, and you can use both at the same time. There are pros and cons to either method. Provides for a crazy...
  18. 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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    56,516

    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.
  20. 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.
  22. Replies
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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...
  23. Replies
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    I gotta ask - what control line DO you like?

    I gotta ask - what control line DO you like?
  24. Replies
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    2,464

    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.
  25. 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...
  26. Replies
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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...
  27. 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...
  30. 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...
  32. Replies
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    Yup. And your field controllers are more...

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

    Really? How often do you lose your global?!?
  34. 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...
  35. 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...
  36. Replies
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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.
  38. Replies
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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...
  39. 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.
  41. 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...
  42. Billcontrols, I applied this on Saturday. Worked...

    Billcontrols, I applied this on Saturday. Worked perfectly. Thank you!
  43. 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?
  45. Replies
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    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!
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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...
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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,...
  50. 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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