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Type: Posts; User: Knife Switch

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  1. Replies
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    How about having a virtual point (LLMS) and...

    How about having a virtual point (LLMS) and assigning it an integer based on the day of week (if day of week = mon - tues then LLMS = 1, etc (say theres 3 total). But I'd increment the LLMS point...
  2. How well does it work? (curious) Mainly how well...

    How well does it work? (curious)
    Mainly how well does it adapt/NOT require extremely strict formats for data/graphics to work?
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    Yes, the manufacturer designed a custom...

    Yes, the manufacturer designed a custom electronics PCB control board, then they released a cheaper universal one to keep themselves competitive.
  4. Replies
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    646

    Who in god's name thought the "Predator" would be...

    Who in god's name thought the "Predator" would be a good name for a line of controllers??
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    'm assuming everyone's also seen this? ...

    'm assuming everyone's also seen this?
    https://customer.honeywell.com/resources/techlit/TechLitDocuments/70-0000s/70-6925.pdf
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    Report Builder is your FRIEND. It's also very...

    Report Builder is your FRIEND. It's also very powerful (I missed it on any other front ends I used).
    IE you can create a report for say.. any chilled water valve positions >0%, using * (wildcard)...
  7. You could always air-gap it?

    You could always air-gap it?
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    Tesla was born a century too early, really.....

    Tesla was born a century too early, really..
    Edison 'won' because he was a business. He had investors in his inventing company, and they were VERY well versed in patent law. They ended up paying...
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    I'd love to see some 'demo' layouts.. (full...

    I'd love to see some 'demo' layouts.. (full disclosure, it's just cos I love graphics, not looking to purchase!)
  10. Oh hell yeah, that's why I loved the HMI on...

    Oh hell yeah, that's why I loved the HMI on Siemens apogee.. made you look like a wizard lol
  11. Well tbh if the project engineers gone 3-4 years...

    Well tbh if the project engineers gone 3-4 years ago I'm gonna blame HEAPS of stuff on them lol
  12. Hey sum1 quoted my handle! that's actually more...

    Hey sum1 quoted my handle! that's actually more validating than the last few projects I finished (I'm not kidding either).

    Controls is more involved, HVAC is also very fluid - I worked for a...
  13. lol I still think they're worth it when you climb...

    lol I still think they're worth it when you climb onto a ladder and the damn thing doesn't swing to the side and nearly send you tumbling :)
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    Visio is good for what I call "Networking...

    Visio is good for what I call "Networking Drawings", there's alot of really good 'shapes' libraries out there, and it's actually quite advanced if you look into creating/editing these yourself...
    ...
  15. It also can become REALLY difficult when the...

    It also can become REALLY difficult when the control system is blamed/held to account for deficiencies is the initial design of the whole installation.. Unfortunately just cos a system has existed...
  16. To program anything you need to go/be a little...

    To program anything you need to go/be a little bit mad. The more complex the language, the madder you'll be.

    Then when you've got some good skills at process language programming you'll think "hmm...
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    Zelio smart relays are OK

    Zelio smart relays are OK
  18. Replies
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    3,959

    What the?? I'm guessing the VACstatus is...

    What the??

    I'm guessing the VACstatus is basically a software "building/floor ON" switch
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    Maybe look at Reliable's coding language, it's...

    Maybe look at Reliable's coding language, it's like an evolved version of PPCL?
  20. Well... look at your OA temp. Then the setpoint...

    Well... look at your OA temp. Then the setpoint of the space. There's the error, and throttle your CHWV based on that...
    It's a 100% OA unit, so at least you won't compound the problem...
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    Ask the person who gave you the dwg file nicely...

    Ask the person who gave you the dwg file nicely to make it less busy... it takes them about 10 seconds
  22. Replies
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    Don't tell anybody but it's highly possible that...

    Don't tell anybody but it's highly possible that manufacturers have made these available on the Information Superhighway!
    http://www.johnsoncontrols.com
    http://www.siemens.com/hvac...
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    I think set pt dial is always in oper priority,...

    I think set pt dial is always in oper priority, as its supposed to match a physical set point dial fitted to a rts (optional)
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    Something about the background slides resolution...

    Something about the background slides resolution vs the monitors resolution...
  25. The most challenging language to learn is the 10%...

    The most challenging language to learn is the 10% of "quirks" EVERY system has that just seem to remain undocumented... They're so often game-breaking as well.. if I were paranoid I might think that...
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    Well that's pretty much summed it up perfectly....

    Well that's pretty much summed it up perfectly.
    Future searches should redirect here, and let's toast the end (well beginning of the end) of repetitive graphic 'engineering'
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    Doesn't it have a help index for the commands? I...

    Doesn't it have a help index for the commands? I thought it did.. It's similar to VB/Fortran/PPCL but a fair bit more powerful
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    Wow that's not too secure.. Is it the ActiveX...

    Wow that's not too secure..
    Is it the ActiveX plugin not being supported with later/other browsers?
  29. Replies
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    Advice needed from electrical wizards

    OK, (and sorry if this is in the wrong forum, but I think i needed the skills input!)

    This is NOT about HVAC, short story, a friend brought a great E-bike. cost him $10k, does 90kph/56mph, is...
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    This is a bit free assosciating, but there are...

    This is a bit free assosciating, but there are 'levels' of command in bacnet (sorry I really couldn't be a$$ed googling it properly :) ). I remember with Reliable (native bacnet) we once had a...
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    IMO... Blkock is fast to write, especially when...

    IMO...
    Blkock is fast to write, especially when you have built up you library of macro/meta blocks. I found it MUCH harder to follow thru someone elses program (fault finding/commissioning) than...
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    Your PDF only shows the system control station...

    Your PDF only shows the system control station (computer). Not the equipment or environment to be controlled.

    If you are asking which hardware (computer ie Dell, HP etc) will meet these...
  33. Thread: TAC Vista

    by Knife Switch
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    I've got an old "vista for service techs 2008"...

    I've got an old "vista for service techs 2008" training cd. Don't know if that'd help. Nothing hush hush on it, so I doubt it'd be a problem sharing
  34. Yes popup is possible it will pop up when there...

    Yes popup is possible it will pop up when there is alarm. "POP"
    The pop sound is optional
  35. Replies
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    A capacitor can still kill you, when the power is...

    A capacitor can still kill you, when the power is switched off.
  36. Are they targeted at more than just home...

    Are they targeted at more than just home automation? Plus I wonder what'll be the deal with Apples Homekit...
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    Hah ha it's mindblowing isn't it?...

    Hah ha it's mindblowing isn't it? Calculating/testing the resonant frequency of a centrifuge to break hundreds without being noticed (just for starters) WITH NO commissioning period. And it worked....
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    Visio builds graphics, you can draw like you're...

    Visio builds graphics, you can draw like you're asking but you almost never have to. Visio can import Autocad Blocks, and besides, there's more Manufacturer specific palettes for Visio out there than...
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    c

    c
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    An IO board that's BACnet compatible......

    An IO board that's BACnet compatible... welllll...
    Here's a IP Gateway KNX-BACnet https://hit.sbt.siemens.com/HIT/modules/kernel/UI/GetBinData.aspx?RC=HQEU&LANG=en&VALUE=Assets%2fA6V10432087.jpg
    ...
  41. Most of the earth/ground points on controllers...

    Most of the earth/ground points on controllers are 'soft earth' terminals, which basically means they don't connect to ground or anything, they're just there for convenience like a loop terminal on a...
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    You know, it's kinda unrelated but I've always...

    You know, it's kinda unrelated but I've always earthed BOTH ends of the shield between VFD and motor (via metal glands). When I was an apprentice a service rep for Zener told me to do it that way,...
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    I might get that put on a bumper sticker! lol

    I might get that put on a bumper sticker! lol
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    I modified a second hand 'portable printer...

    I modified a second hand 'portable printer trolley'. Cost twenty bucks and folds up. Little solid though.. I'm only saying this cos there doesnt seem to be muck of a range, but when I started looking...
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    I wish I had a copy to post of a recent spec that...

    I wish I had a copy to post of a recent spec that said how the front end had to be at minimum a 486 processor and gave a page of specs that were minimum ten years out of date
  46. Autocad is like a high maintenance girlfriend,...

    Autocad is like a high maintenance girlfriend, you have to put the work in, but it can be worth it.

    Visio's libraries (stencils) are easier to use, and coloful.

    But I found visio difficult...
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    The one that you can install without the cheap...

    The one that you can install without the cheap s*(t plastic covers breaking.

    Also +1 for Reliable's for their sheer simplicity. I initially scoffed at them but simplicity can be a bonus.
    ...
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    Unless you REALLY need a PLC then you're better...

    Unless you REALLY need a PLC then you're better steering away from them. Anything analogue (which we have a fair bit of in HVAC control) is nastily expensive with the higher end brands like Allen...
  49. How many states do you need? Couldnt a virtual...

    How many states do you need? Couldnt a virtual LAO work?
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    Most controls companies will deliver all of what...

    Most controls companies will deliver all of what you request if you call them on a HV phoneline. This is achieved by using your left hand to grasp the red phase, and your right to grasp the blue...
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