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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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    23,226

    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.
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    23,226

    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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    558

    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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    962

    Yup. And your field controllers are more...

    Yup. And your field controllers are more expensive as a result.
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    962

    Really? How often do you lose your global?!?

    Really? How often do you lose your global?!?
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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...
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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...
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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.
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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!
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