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  1. Replies
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    816

    The power cycling to a VAV controller would not...

    The power cycling to a VAV controller would not erase the parameters in the controller.
    If I were you, I would write down all the data that you are entering in the T&B program. There should also be...
  2. Replies
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    795

    I just ripped a dozen PCM's, a bunch of TCM's and...

    I just ripped a dozen PCM's, a bunch of TCM's and a couple UPCM's out for a project. Send me an e-mail if you are intersted.
  3. Replies
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    16,900

    As far as bacnet tools, Polarsoft's Bacnet Quick...

    As far as bacnet tools, Polarsoft's Bacnet Quick Test is probably the best tool I have used for integration. Price is reasonable. It supports Bacnet/IP , Bacnet/Ethernet and MSTP. It allows...
  4. Replies
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    1,132

    I have seen some issues of integrating to Johnson...

    I have seen some issues of integrating to Johnson thru their NAE's. Mainly the problemwas what you are describing, you may write to a point thru the NAE, but what the Johnson controls are doing may...
  5. Replies
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    3,982

    My main suggestion's for an owner/engineer...

    My main suggestion's for an owner/engineer looking to try to keep a bacnet site simple to integrate from one vendor to another.
    1) Anyone who has a system being installed would need to expose all...
  6. Thread: Find a wire

    by jeffk91467
    Replies
    2
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    600

    I would try looking at the factory footage...

    I would try looking at the factory footage marking on the wires. It may not find the exact wire but it could help you narrow it down.
    If you know the start and end footage markings, you might be...
  7. Replies
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    2,257

    When you refer to Hydro, I am assuming you mean...

    When you refer to Hydro, I am assuming you mean the ION Enterprise server.
    The ION Enterprise server is probably getting its data from a Modbus/IP gateway that is in turn hooked up to meters thru a...
  8. Replies
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    2,257

    The ION meters I have dealt with in the field...

    The ION meters I have dealt with in the field supported Modbus over RS485. I am not sure if the meters you are trying to integrate have this option, but it would probably be simpler than using OPC. ...
  9. Replies
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    4,153

    I am currently having issues with a few of the...

    I am currently having issues with a few of the Modbus points.
    The Chiller Fault Codes point read from register 40017 does not update if the chiller is in alarm. Also the Chiller Operating Mode point...
  10. Replies
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    1,891

    Johnson's automotive parts division is losing...

    Johnson's automotive parts division is losing more than $200 million so far this year. They are also Chryslers third largest creditor and one of GM's largest suppliers, both who just declared...
  11. Replies
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    3,726

    Hey Jorgas, When I was using a software command...

    Hey Jorgas,
    When I was using a software command to start/stop the drive, I was writing an integer value (SINT) to register 40001. Our Modbus Interface software also allows us to write to a specific...
  12. Replies
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    697

    Go to http://www.chipkin.com/cas-bacnet-explorer/...

    Go to http://www.chipkin.com/cas-bacnet-explorer/
    and download demo. (Not a big fan of the Chipkin program, I would recomend buying Polarsoft's Bacnet Quick Test program if you are going to be doing...
  13. Replies
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    802

    I would be interested in purchasing the whole...

    I would be interested in purchasing the whole lot. If you can send me an e-mail with your contact information, I could give you an offer.
    Thanks
  14. Replies
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    5,012

    Yes, the network is daisychained. One thing to...

    Yes, the network is daisychained.
    One thing to verify is the MAC address of the Jace MODBUS master. I am not familiar with JACE, but verify you do not have a duplicate address on the network. Also,...
  15. Replies
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    5,012

    For 2-conductor, we terminate term(29) B...

    For 2-conductor, we terminate term(29) B (Positive +), (30) A (Negative -) and terminate the shield to the screen terminal at the drive.
    The term (31) AGND is left open.
    For the ground wire, the...
  16. Replies
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    5,012

    I attached a list of all the modbus points you...

    I attached a list of all the modbus points you should need. The only points that are a little tricky are the modbus status word and the modbus control word. If you are going to use a modbus command...
  17. Never used this tool, but it sounds like it would...

    Never used this tool, but it sounds like it would do what you are looking for.

    http://www.idealindustries.com/products/test_measurement/circuit_analyzers/suretest_circuit_tracers.jsp
  18. Replies
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    725

    You are probably right about the brownouts being...

    You are probably right about the brownouts being the cause. The issue of the switches crashing seems to have become noticable in the last year or so. I was assuming that maybe the newer switches were...
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    725

    The price on these seem reasonable. If they save...

    The price on these seem reasonable. If they save one trip to the customer site to reset a switch, it should pay off the extra cost.
    I never purchased the industrial switches before because I did not...
  20. Replies
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    725

    Bulletproof Ethernet Switches

    I have been having issues with newer ethernet switches built in the past couple of years. The problem is during a power brownout/or outage, once in a while the switch will stop operating. You then...
  21. Thread: RFP

    by jeffk91467
    Replies
    14
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    1,353

    This is probably one of the better ways. Talk to...

    This is probably one of the better ways. Talk to local facilities people to get their feedback on the controls contractor's in your area. Then talk to the more highly recomended control's...
  22. Replies
    6
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    1,873

    All devices should allow this. The default for...

    All devices should allow this. The default for some devices may be to set the BacnetDeviceID to whatever the dip switch/dial setting is that sets the MAC address, so they end up being the same...
  23. Replies
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    1,873

    Each Bacnet/MSTP device on the local MSTP network...

    Each Bacnet/MSTP device on the local MSTP network must have a unique MAC address and a unique BacnetDeviceID address.
    The Mac addresses can be duplicate on different networks. DeviceID's can not....
  24. Replies
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    3,875

    Try this as a workaround: Router #1 Internal IP...

    Try this as a workaround:
    Router #1
    Internal IP 192.168.1.10
    External IP 45.125.100.101
    Router #2
    Internal IP 192.168.5.15
    External IP 67.101.45.100

    In your BBMD tables, use the External...
  25. Replies
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    1,039

    Delta controls for sale

    We recently removed a bunch of Delta controls for a renovation. If anyone is interested in purchasing them, please e-mail me. They were installed approx 2 years ago. All the controllers were in...
  26. Thread: MUA Unit

    by jeffk91467
    Replies
    27
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    4,317

    Hey Hardwater, If the relief damper is...

    Hey Hardwater,



    If the relief damper is ducted off the O.A. plenum, it will not work anyway. It does not matter if it's opened or closed, because it is acting just like a seperate O.A. damper....
  27. I have not used the device you are using. But I...

    I have not used the device you are using. But I have used Field Servers Bacnet/Lon converter a few times. That device you were required to commision the LON network using LonMaker first. Then you...
  28. Replies
    11
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    2,138

    I have done a few York talk to Microtalk Bacnet...

    I have done a few York talk to Microtalk Bacnet MSTP interface's.
    One thing to check on your Bacnet router. The MSTP interface on the Alerton device must have a MAC address. Verify that the MAC...
  29. Replies
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    1,817

    You have an issue with the backbone Arcnet...

    You have an issue with the backbone Arcnet network (wiring, noise, bad install, incorrect installation, etc.). If the network is installed/setup correctly you should have zero reconfigs.



    To...
  30. Replies
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    3,837

    We are using the Cradlepoint CTR-350. But I think...

    We are using the Cradlepoint CTR-350. But I think the CTR-500 must be the newer model that is replacing the 350.
  31. Replies
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    3,837

    Hey Crabmaster, The upload rates we have been...

    Hey Crabmaster,
    The upload rates we have been getting on the cell card is aprrox 150 to 350kilobits per second. Download is a lot faster. You can test out your cell card speed, you might get faster...
  32. Replies
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    3,837

    Hey Crabmaster, We have the same issue with IT...

    Hey Crabmaster,
    We have the same issue with IT taking a long time to finish their end. We have tried a couple out but the router from Cradlepoint is the best one we have found.
    We have been using a...
  33. Replies
    8
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    1,817

    You first need to determine if there is a arcnet...

    You first need to determine if there is a arcnet network problem. Get a modstat on the LGR. Check the reconfigs. If you see any reconfigs you know there is an issue with the arcnet. Then you can...
  34. Replies
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    2,207

    It would be a great thing for the HVAC field if...

    It would be a great thing for the HVAC field if all engineers did a year apprenticeship in a trade. I think working in the field helps people really get a good grasp of how the design goes from paper...
  35. Replies
    36
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    2,207

    For the last few years my current company has...

    For the last few years my current company has been chasing more work where we work directly for the owner. That way we can represent the owner's interests and also make a fair profit on the project....
  36. Replies
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    2,207

    In my experience, in many projects the...

    In my experience, in many projects the engineers/architects budget numbers on the project they are designing are inaccurate, usually under the actual price. I have talked to a few engineers about...
  37. Replies
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    2,207

    We had a project a few years ago where the mech...

    We had a project a few years ago where the mech engineer made a huge mistake. They had a big meeting w/ all the bigwigs. Everyone around the table stands up, states their name and a little info on...
  38. In my experience, college campuses, hospitals and...

    In my experience, college campuses, hospitals and data centers usually have a person on staff that has a pretty good grasp of their DDC system.
    Some end-users are proficient enough to do their own...
  39. Replies
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    2,207

    One thing maybe to go over with the engineers is...

    One thing maybe to go over with the engineers is all the design mistakes you have encountered during projects. Also include how they were corrected,if at all. Maybe they can learn not to repeat the...
  40. Replies
    13
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    1,217

    If you were integrating to an LGE and the...

    If you were integrating to an LGE and the controls network is CMNET, not ARCNET, then the network protocol is bacnet/ethernet not bacnet/IP. You would need to verify that your system supports and/or...
  41. If you are concerned about replacing a couple...

    If you are concerned about replacing a couple controllers, have the engineer require the installing contractor to supply X-amount of replacement controllers, zone sensors and VAV actuators as part of...
  42. Replies
    5
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    889

    I guess I will have to take a closer look at how...

    I guess I will have to take a closer look at how they ran the network riser and connected the TIM-e's together. I am not familiar w/ the older Trane stuff but have integrated to a lot of their LON...
  43. Replies
    5
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    889

    I will need to go back to the site to verify what...

    I will need to go back to the site to verify what front-end they have on site. The VAV's I looked at had cards w/ model number VAV-UCM4, with normal shaft-type dampers and floating motor actuators. I...
  44. Replies
    5
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    889

    Integrating to Trane VAV-UCM4

    I have a building w/ approx 120 older Trane VAV-UCM4 controllers. The customer is looking to phase out the Trane controls. He wants to integrate to the Trane COMM4 controls for a few years while he...
  45. Here in Hawaii, almost all the chilled water...

    Here in Hawaii, almost all the chilled water control valve actuators I see have tropical heaters in them. Some VFD's have them here. The RH here is usually about 60% year around during the day.
    I...
  46. Thread: Firewall

    by jeffk91467
    Replies
    1
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    726

    I have only used some of the older Cisco routers...

    I have only used some of the older Cisco routers and firewalls, but they used to be all line code to configure and set-up. So there was a little bit of a learning curve.
    I have also used WatchGuard...
  47. Replies
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    981

    MCP, On the day you were troubleshooting the HW...

    MCP, On the day you were troubleshooting the HW coil, was it cold outside ?
    If it was fairly cold out and the minimum outdoor air damper position for the units are set fairly high, you would have a...
  48. Replies
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    2,020

    By default, all the physical I/O points,...

    By default, all the physical I/O points, alarms,trends, schedule are bacnet.
    Since the rest of the program is custom made, it depends if the programmer used bacnet BV,AV microblocks for program...
  49. Replies
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    1,122

    I would probably start with just one controller...

    I would probably start with just one controller to just verify my set-up is correct. After that I would start with troubleshooting the network wiring. First, this is a 485 bus, do you have...
  50. Replies
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    5,370

    Here is a list of most of the bacnet objects,...

    Here is a list of most of the bacnet objects, properties and units and their bacnet numbers. This is not a complete list.
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