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Type: Posts; User: crab master

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  1. Replies
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    While it's double edged, but having to think...

    While it's double edged, but having to think about what I do....
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    x2. While it can do Schneider's comm's and LON...

    x2. While it can do Schneider's comm's and LON and BACnet, that's where it basically ends...doesn't do other manufacturer's proprietary comms...
  3. Depends, what controller(s)? I see some have a...

    Depends, what controller(s)?
    I see some have a shield termination point that goes nowhere, I see others that go to ground and I see others yet that do have any and on another for LON though I seen...
  4. Your posting a 'residential' thermostat in the...

    Your posting a 'residential' thermostat in the controls section...not many of us deal with residential style thermostats and quite honestly I program my own thermostats on jobs via PLC's, else...
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    As to the Vista side, well depends on ones...

    As to the Vista side, well depends on ones experience with Vista...

    AS with LON, well the whole Local Node concept sucks, let's bind and re-bind yet again to just complete a single bind (this...
  6. Replies
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    937

    Someone with some Vista knowledge 'should' be...

    Someone with some Vista knowledge 'should' be able to recover this. You may need a new 511, but it could be recovered as well. Pretty rare one goes bad, normally just a format and reload the...
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    My only concern with going with LonMaker is...

    My only concern with going with LonMaker is likely you'll only be able to get the latest version and I know there's so compatibility issues, or there was when it first came out. I haven't worked...
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    Look into IEC 61131-3, my understanding is that...

    Look into IEC 61131-3, my understanding is that is the direction it's trying to go...
  9. Replies
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    773

    I've seen worse, but not by much. That's...

    I've seen worse, but not by much.

    That's actually relatively easy to clean up and at least you can select a point and go to reference, or even change it to use a reference instead of a line.
    ...
  10. I think this is kind of cool, but I think you...

    I think this is kind of cool, but I think you need to get the cost down as it would be nice to add to the BBQ, no more realizing the tanks are out while trying to cook...

    The other thing is I...
  11. Replies
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    2,233

    You have that backwards - the (A) controllers you...

    You have that backwards - the (A) controllers you want to keep. The A at the end designates it as having the potential to be a true LON device. The ones w/o the A at the end are strictly...
  12. Replies
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    If they are the 42#A or 45#A series then then can...

    If they are the 42#A or 45#A series then then can be used as LON devices. Just decommission and then recommission with configuring the I/O the way you want.

    If they do not have the A at the end...
  13. Replies
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    Each motor with it's own contactor and motor...

    Each motor with it's own contactor and motor overload. Then fuse protection as well at the lower levels. Dead short the vfd 'should' protect it but then you loose all motor functions until...
  14. Replies
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    You don't have to make function blocks.

    You don't have to make function blocks.
  15. Replies
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    443

    I would assume they substituted database for...

    I would assume they substituted database for subsystem....but I would issue a RFI.

    I agree, I would rather have subsystems as the way LonMaker calls subsystems as it does make the drawing much...
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    996

    That's enough, thread will be shut down, name...

    That's enough, thread will be shut down, name calling is unacceptable.
  17. Replies
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    394

    I've used the Lon to Modbus as well w/o issues.

    I've used the Lon to Modbus as well w/o issues.
  18. Replies
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    996

    Can't answer for the area's you are asking about,...

    Can't answer for the area's you are asking about, but when you submit your bid paperwork I would submit it as at least 2 bids if you aren't already. One for mechanical and one for controls. I would...
  19. http://www.kele.com/power-supplies/s1k-and-sdu-ser...

    http://www.kele.com/power-supplies/s1k-and-sdu-series.aspx

    I've had good luck with these *and they do have the ability for monitoring
  20. Replies
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    713

    Where's my like button?......:grin2:

    Where's my like button?......:grin2:
  21. What size?

    What size?
  22. Replies
    299
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    29,225

    Can't resist, even the name Metasys sounds like a...

    Can't resist, even the name Metasys sounds like a STD! :grin2:
  23. Replies
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    937

    Glad to help, but please edit your thread and put...

    Glad to help, but please edit your thread and put your email in your profile, site rules.
  24. Replies
    16
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    937

    If you direct connect with a crossover cable and...

    If you direct connect with a crossover cable and set your pc to the same network then you should be able to test the port forward issue as you'll get around the port forwarding. I've used the help...
  25. Replies
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    937

    Breakers don't help for this. A UPS for that...

    Breakers don't help for this. A UPS for that device would be 'best' but just surge suppression should be adequate.

    'Dirty' power for long enough could cause this.

    As to the redirect I do...
  26. Replies
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    937

    This is 5 versions old. Since it is XB 5 you...

    This is 5 versions old. Since it is XB 5 you need a license to run XB.

    I am not sure if one can tell via FTP if the backup file was sent to the device.

    Has this ever worked since you've been...
  27. Replies
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    29,225

    Sounds like you were talking with a technical...

    Sounds like you were talking with a technical salesman :grin2:

    I'd like to disconnect that IP line and test it for myself....while I can definitely see it being possible, let's just say a data...
  28. Replies
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    That's interesting so I'd assume a mix match of...

    That's interesting so I'd assume a mix match of FT-10, IP-852, BACnet IP and/or MSTP, as well?

    I didn't think the dentures was that bad of a joke. :D

    I do prefer my control on the fieldbus as...
  29. Replies
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    29,225

    But what if I wanted Both BACnet and LON...

    But what if I wanted Both BACnet and LON simultaneously to take advantage of both protocols? Don't see the picture for that :D
  30. Replies
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    TridiumTech - Welcome to the site.

    TridiumTech - Welcome to the site.
  31. Replies
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    937

    If it has to be built from the ground up then...

    If it has to be built from the ground up then they didn't send the backup to the device and/or they don't have a back up on hand. This can be ugly...

    What version is this?

    If you're in via...
  32. Replies
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    937

    How do you know it's entered fail safe mode? ...

    How do you know it's entered fail safe mode? Typically that accomplished by someone physically putting it in that mode. Does it ping?

    Have you restarted the device? Make sure you kill power to...
  33. Replies
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    Nice! Glad you got it. Welcome to the site.

    Nice!

    Glad you got it. Welcome to the site.
  34. Replies
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    The problem is one all to often gets provided...

    The problem is one all to often gets provided with sales brochures, not data sheets.

    As said apples to apples, look at data sheets and find the model they want to provide as even many data sheets...
  35. Replies
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    378

    What did they have in them before as to DDC or...

    What did they have in them before as to DDC or did they? The only other option would be wireless with a bunch of repeaters or wired to wireless gateways...
  36. Replies
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    1,173

    Yes x 2

    Yes x 2
  37. UPS for the controls?

    UPS for the controls?
  38. Thread: Vvt or vav

    by crab master
    Replies
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    562

    Ahh and then a return and/or supply temp low...

    Ahh and then a return and/or supply temp low limit to not freeze up while in bypass...

    One reason I like VAV on DX, you can calculate the actual airflow. Airflow within DX capacity then enable...
  39. Replies
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    1,632

    The flip side is the laws in some states and what...

    The flip side is the laws in some states and what it takes to 'add' another transformer.

    Sometime you have to call an electrician to be legal. Oh and then if you make it over 100VA, such as...
  40. I do too, I was 6 and spit it out! Told dad I...

    I do too, I was 6 and spit it out!

    Told dad I was thirsty so he handed me his beer or maybe I just seen him drinking it and I wanted a drink....
  41. Replies
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    The other thing is it also depends if you are...

    The other thing is it also depends if you are daisy chaining all your power or T tapping. Daisy chaining you'll get the drop in a hurry with the added VA. What I'll do a lot of times depending on...
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    204

    Get out your meter and troubleshoot, or call...

    Get out your meter and troubleshoot, or call someone to do it for you.

    A relay could be sticking in the furnace, at the stat, a loss of common, etc.....
  43. Replies
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    2,877

    The 127 and above number is for slave devices. A...

    The 127 and above number is for slave devices. A few sites since I am just monitoring the VFD's all my VFD's are set to numbers >127. Then I set the max master to the device count or maybe one or...
  44. Good to hear, sometime just need a fresh set of...

    Good to hear, sometime just need a fresh set of eyes
  45. Replies
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    2,877

    What devices are you using and at what speed? ...

    What devices are you using and at what speed? I've solved a few weird issues by slowing the baud rate. The other thing is some devices can only handle a max request count, I had one that was...
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    444

    The new AHU might be a pretty good option. I am...

    The new AHU might be a pretty good option. I am pretty sure I've bought a new AHU in the past w/coil and reheat for about the same price/less than the cost of just the coil...but now that I am...
  47. Replies
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    444

    Trane Indoor Coil Replacement Help

    I have a Trane TWE036C140BO indoor unit with an outdoor heat pump of TWR036D1000A0. Could not find a model# on the indoor coil.

    I fixed a leak on the main distributor back on Jan 31st and...
  48. You know your occupied heating and cooling...

    You know your occupied heating and cooling setpoints are the same.....
  49. http://www.robertshawtstats.com/images/docs/110-65...

    http://www.robertshawtstats.com/images/docs/110-653C%20Cropped.pdf

    Look at pg 5 & 6 and then find out what your temperature differential is set to, after you check your home humidity levels.
  50. Closing bedroom vents could cause you more...

    Closing bedroom vents could cause you more problems and will dehumidify faster, but at the possible and likely expense of freezing up your indoor coil, unless you have a grossly over-designed indoor...
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