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Type: Posts; User: drafty888

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  1. Raleigh, NC mechanical / controls contractors

    I am looking to relocate to NC and would like to speak with mechanical contractors that have a controls division or a dedicated controls contracting company. My main criteria is that they operate...
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    integrated door access controls

    Are there any recommendations for a door access control system that have a Bacnet or Modbus interface? For example, Distech's Bacnet product is a good fit but I'm looking for other products for...
  3. water temperature sensor calibration device

    Hi All -
    We've got a lot of 10K-2 immersion sensors wired to our BMS and need to calibrate these sensors. I have heard of NIST temperature calibration tools that insert through a Pete's Plug and...
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    rockwell automation programming

    Does anyone have recommendations for a group that could do contract Rockwell Automation programming? Thanks.
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    that's what i was thinking of.. not sure what...

    that's what i was thinking of.. not sure what they are actually worth.
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    I/A MNL-150, MNL-100

    I have a number of these controllers (and MN-S3 room sensors) that were replaced and the customer doesn't want to bother with them. Any idea what the value of these controllers are?
    Thanks.
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    haven't seen any specific limitations documented...

    haven't seen any specific limitations documented anywhere in our ALC documentation, or experienced anything similar that wasn't directly attributable to either a problematic database or server...
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    Thanks. I sent you an email.

    Thanks. I sent you an email.
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    602

    fault detection & diagnostics

    Does anyone have a recommendation for an AFDD technology/company? Target building(s) are non-industrial, commercial/municipal buildings with standard HVAC equipment and utility metering. Thanks.
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    That has happened to me when IIS is running on...

    That has happened to me when IIS is running on the WebCTRL server. Turn IIS off in the operating system and make sure that WebCTRL is running on port 80 (it does, by default).
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    for most bacnet MS/TP controllers, the CPU that...

    for most bacnet MS/TP controllers, the CPU that runs the control program also performs network functions. So you can directly measure the slow down effect of network traffic on the CPU with a simple...
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    call automated logic and ask for John Miner. ...

    call automated logic and ask for John Miner. he's the man to speak with regarding new/expanded dealership opportunities.
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    4,379

    i came from a TAC/JCI/Honeywell environment but...

    i came from a TAC/JCI/Honeywell environment but have deployed ALC for almost five years now. My take is this: if you are more concerned about integration & expandability to other enterprise SCADA...
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    OK, I stand corrected ( i think). I've used...

    OK, I stand corrected ( i think). I've used Lumisys lighting panels in the past and currently BLR (ALC OEM) panels, and they are nearly identical. In fact, I had some surplus lighting relays from...
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    I have an Automated Logic panel sitting in my...

    I have an Automated Logic panel sitting in my office right now. On the bottom in small letters, it says: "Made by Blue Ridge Technolgies".

    I believe this is the company history: Lumisys --> Blue...
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    just dropped two ALC lighting panels directly...

    just dropped two ALC lighting panels directly onto the ARC156 bus yesterday. very fast deployment and integrates perfectly into the head end (equipmentbuilder generated gfx/programs). Can't say my...
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    touch screen (text) interface

    I need a touch screen interface to be located in a common area. A group of offices all have temp sensors wired to an FCU controller, which when averaged together is the "zone temp" process variable...
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    i spent a couple days with one of the principal...

    i spent a couple days with one of the principal writers of this book in omaha and have it in house for our guys to read if they're interested in the basics of interoperable control systems. i'd...
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    that same functionality has been built into ALC...

    that same functionality has been built into ALC control programs for years... sounds nearly identical. the bas is an integral player in the the load shaving portion of DR because so many of the...
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    how reliable is your information? This is news...

    how reliable is your information? This is news to me and I am an ALC dealer.
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    nw8000 integration

    I'm looking for ways to integrate ASD devices (MZII, PEM) into a modern protocol network, say Bacnet/MSTP, Bacnet/IP or even XML/SOAP.

    i know there's a tridium asd driver, but what are the other...
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    regarding loytec getting into bacnet despite some...

    regarding loytec getting into bacnet despite some of their key players voicing concerns about it: c'mon. this is corporate america, or in this case corporate austria. this is an era where...
  23. Thread: 1 phase VFD

    by drafty888
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    1,538

    1 phase VFD

    Anyone found a good product for varying the speed of a 208vac single phase fan (1hp)? It should respond to 0-10vdc or 4-20ma. Thanks!
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    building dashboards

    Anyone have any product recommendations for building dashboard products, either software or hardware? TIA.
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    ALC has a "room controller" that operates in a...

    ALC has a "room controller" that operates in a stand-alone mode and has multiple AO's and DO's. There's quite a few built-in programs you can select from to optimize the HVAC equipment you're...
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    you might want to contact steve jones of the s4...

    you might want to contact steve jones of the s4 group. i think he's developed a couple JCI integration solutions.
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    that arrangement has worked out well for ALC and...

    that arrangement has worked out well for ALC and Carrier so far. but comparing Carrier and JCI is not an apples to apples comparison. Carrier had no claim of superior knowledge in controls to...
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    steam flow meter

    A project i am working on has specified an orifice plate steam flow meter. This setup is comprised of an orifice plate compressed by 150# flanges on an 8" steam pipe. Both up and downstream flanges...
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    exactly what i was querying... thanks. i think...

    exactly what i was querying... thanks. i think that a very slow PID calculation rate (1-2 min or greater), coupled with a small integral value will work here. got to give the VAV boxes enough time...
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    static pressure reset

    Hey guys I wanted to get some feedback on your experiences with duct static pressure reset routines.

    When I am done with the TAB contactor, I'll already have a duct static setpoint that...
  31. temp sensor in steam condensate line/trap

    I have heard that a temperature sensor wired to & properly programmed in a BAS can function in lieu of a freezestat on a steam coil in an AHU.

    I cannot find any calculations or data to support...
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    sysint, can you email me and I'll reply on my...

    sysint, can you email me and I'll reply on my work account. email address is in my profile. i'll think i'll need 20-25 lgates, but would like to test one first. if there's a better contact person,...
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    conceptual question about lns: once the config...

    conceptual question about lns: once the config utility has scanned the network and populated a table of mapped points in the lgate, do polled nv requests go to the lns database, or directly to the...
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    lon nv's --> bacnet objects

    I've got a customer with a large flat lon system (I/A to wonderware via a variety of IP routers) and i need to pick a variety of NV's off the lon network and expose them on Bacnet/IP, without...
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    Thanks, that's exactly what I was looking for.

    Thanks, that's exactly what I was looking for.
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    DP across modulating steam valve

    Looking for some sage input on the following...

    25psi inlet steam to a modulating steam valve with a 195 #/hr load. I've calculated this application to require a 3.32cv valve. I can only get a...
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    numerical read out LED/LCD

    Can someone make a product recommendation for a panel mount device (can be routed into panel door face) that displays a number? The BAS controller driving this device would supply a 0-10vdc signal...
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    that was me, and no my dealership is independent,...

    that was me, and no my dealership is independent, not a branch. find another bone to pick...
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    This, I can answer. My dealership does our own...

    This, I can answer. My dealership does our own floor plans. We all use the same tool (Viewbuilder) to create floor plans, and as long as the base image (.JPG, .PNG, etc) of the floor plan is clean,...
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    steam flowmeter

    what is the valuable output unit of measurement from a steam flowmeter? I'm looking at a couple different orifice plate and vortex steam flowmeters, and it seems most have a differential pressure...
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    i did some bench testing on a variety of ALC...

    i did some bench testing on a variety of ALC modules (LGR25, M4106, ZN551, RC642D) where the same module was running ARC156 (using the co-processor) and also in MS/TP mode (the main CPU then performs...
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    [QUOTE=ControlBIZ;4527242][QUOTE=drafty888;4526862...

    Apparently I intrepreted your "looks and smells the same" statement differently from how you intended it. Clearly, the Alerton and ALC controllers on the same MS/TP trunk are not programmed with the...
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    [QUOTE=ControlBIZ;4476972] I have yet to see an...

    [QUOTE=ControlBIZ;4476972]
    I have yet to see an ALC contractor install an Alerton or Reliable or KMC VAV controller in an existing system seamlessly and marry it back to the front end so everything...
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    thanks for all the replies. erik, anything...

    thanks for all the replies.



    erik, anything worth noting on Delta's programming tool? Is it GPL or line by line? Any way to view the program "live"? In other words, watch the program working...
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    reliable vs delta

    Anyone have opinions on these two product lines and which is better/worse and why? What are their programming tools like?

    From their websites, it seems like Delta has a better head end and a more...
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    weather proof air flow switch

    I've got to provide a NEMA3R/4 rated air flow switch on an OA intake to an AHU. The switch is actually a run permissive for an electric snow melt system prior to the AHU. The switch will be...
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    i'd love to see more bacnet/ip controllers. alc...

    i'd love to see more bacnet/ip controllers. alc just came out with one over a year ago. it has no fieldbus connection on it whatsoever.

    are you suggesting that IP should replace serial bacnet...
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    ALC - York Chiller - ABB VFD (MS/TP @ 38.4k) ...

    ALC - York Chiller - ABB VFD (MS/TP @ 38.4k)

    where possible i try to stay away from ms/tp in favor of bacnet/ip integrations. just did one to a very cool AMX home automation system, mitsubishi...
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    The Sitelink isn't affected by ALC's baby core...

    The Sitelink isn't affected by ALC's baby core issue. Only "baby core" modules (ZN, AAR, SE) needed driver updates, and only if they were manufacturered within a specific time window.

    to your...
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    ah sorry. i take it by the "Pro only sections"...

    ah sorry. i take it by the "Pro only sections" you mean the forum reserved for "Professional Members". I am interested in controls related discussions that might occur outside this public forum. ...
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