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Type: Posts; User: ynut204

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  1. Replies
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    Duct area SQ FT X velocity FPM = flow CFM

    Duct area SQ FT X velocity FPM = flow CFM
  2. Replies
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    489

    Maybe you're trying to operate above maximum...

    Maybe you're trying to operate above maximum range of transducer: 0 - 5200 FPM?. Max flow values are based on that.
  3. Replies
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    This got more technical than I thought it would....

    This got more technical than I thought it would. All your comments are more than welcome and appreciated. And brings me back to basics. My previous experience in electronics (numerous years ago) made...
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    I was expecting Reliable to at least supply a...

    I was expecting Reliable to at least supply a worst case scenario on its own material. That's the kind of question I have asked in the past to another manufacturer for data not readily available with...
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    >What is the accuracy of your reference? When was...

    >What is the accuracy of your reference? When was it calibrated, NIST traceable?

    Decade box checked against meter recently calibrated. 10K 1/2% installed on sensors wires in the field....
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    233

    Same capacity might not even be required, as long...

    Same capacity might not even be required, as long as type of drive is respected. Partition drive if needed, and format to match original specs.
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    Definitely, no compensation required for 4-20mA....

    Definitely, no compensation required for 4-20mA. My mistake.

    Problem is with 10K thermistors readings. Initial compensation ranging anywhere from 1 to 1.5 degree F were added to give reference...
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    Reliable Controls input accuracy

    Looking for information on Reliable Controls input accuracy.

    Did not find anything in their submittal or guide specs litterature. And asking them directly, was told to get that info from the...
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    No way that I know of on how to do it without...

    No way that I know of on how to do it without code in case of a Siemens BacNET controller.

    Filter the value of the virtual LAI in code using a table statement.

    Ex. Table(SetPt,SetPt,min...
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    I would try to reinitialize it (after backup of...

    I would try to reinitialize it (after backup of parameters naturally). If you still have that failed point, I, too, suspect an overwritten EEPROM.

    Run a point usage report for one of the TEC...
  11. Replies
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    1,367

    As stated before, running 2 pumps in parallel...

    As stated before, running 2 pumps in parallel will not give you 2 x flow of 1 pump because of piping consideration, and where on the pressure/flow curve these pumps are running.
  12. I don't get it. Day and night stpt are not things...

    I don't get it. Day and night stpt are not things you normally change frequently. Writing twice daily to these points, if you really need to do so, is no big deal. It would take 137 years to reach...
  13. Try it with CTL STPT. And yes it needs to be...

    Try it with CTL STPT. And yes it needs to be unbundled. CTL STPT is one of the points that can be commanded directly without setting initial value.
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    I guess that's about the easiest way to get it...

    I guess that's about the easiest way to get it done. More expensive than going direct, but a lot less than going onsite to figure things out. What a waste just to revive an old electric boiler that...
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    Johnson R26 step controller

    Hi all,

    Looking for the PDF file or wiring diagram of an old Johnson Controls step controller R26AB-9200. Can't find anything online, and jobsite is 5 hours away. Intent is to restrict operation...
  16. I would sugggest to install the sensor on a tee...

    I would sugggest to install the sensor on a tee in order to be able to bleed air easily. Install the sensor on the side port of tee with elbow to have sensor vertical, water line below, and drain...
  17. Replies
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    I agree with WillyTech. Comm Tools is a...

    I agree with WillyTech. Comm Tools is a proprietary software for Siemens tech. Having to ask how to update job database with it leaves me puzzled. This is one of the basic things you should have been...
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    You need a new license code to unlock 3.11...

    You need a new license code to unlock 3.11 matching your dongle key SN#.
  19. Only 1 point is commanded per drive over MS/TP....

    Only 1 point is commanded per drive over MS/TP. It is a BV to allow drive to start. Drive to operate with local setpoint after that.

    We want to monitor feedback, alarm and drive running over...
  20. Drives are addressed from 101 to 109, so they are...

    Drives are addressed from 101 to 109, so they are in the master range.

    Any disadvantages from putting them in the slave range apart from having to configure manually the drives in the Delta panel?...
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    Have you tried to backup the database and then...

    Have you tried to backup the database and then restore it before rebooting your Insight server? Database fragmentation can cause loss of performance. Backup and restore will clean that.

    Can't...
  22. Wow, a lot of information that I will have to...

    Wow, a lot of information that I will have to check next time I go there. But it won't be before a least end of april, if not later.

    Really well explained. I will try to investigate what I can...
  23. ABB ACH-550 drive with BacNet integration to Delta Controls panel

    Does anybody had success with that kind of setup?

    Nine drives alone on MS/TP net of Delta Controls DSC panel. Takes about 3 minutes to get all the points of 1 drive. And almost no exchange between...
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    Yes, you're right. What I usually do is define...

    Yes, you're right. What I usually do is define one virtual digital point that will command two $loc variables. The $loc are used as toggle point in the OIP command.
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    I checked and subpoint 53 is not commandable...

    I checked and subpoint 53 is not commandable directly using its name, and cannot be used in graphics. It needs to be set with an OIP command in PPCL using a toggle point that you can use in your...
  26. Replies
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    It's not all subpoints inside a TEC that can be...

    It's not all subpoints inside a TEC that can be commanded directly either with PPCL or through the front end (not using Global Commander). It needs to be unbundled to be available, and be among the...
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    Make sure the flag point is a digital virtual...

    Make sure the flag point is a digital virtual point. Also, try using flag = 1 or set(1,flag) Who knows... If it stil dosn't work, probably that point name is stuck somewhere inside controllers...
  28. Thread: Siemens

    by ynut204
    Replies
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    2,556

    VAV Controllers

    Maybe I missed it, but d_d_c_jci never mentionned that the controllers were TECs. With an Insight 2.X, might even be TCUs...
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    When you are in hyperterminal and trying to edit...

    When you are in hyperterminal and trying to edit PPCL, the panel is asking first for the line number, and then for the complete line as you want it to be after the change: line number, then a space,...
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    Apogee 3.2 is compatible with firmware 2.5 only...

    Apogee 3.2 is compatible with firmware 2.5 only if Hot Fix 1 is installed. But it is not compatible with 2.6 or higher. MECF won't work with 3.2 as far as I know, whatever the version.
  31. Thread: PPCL help?

    by ynut204
    Replies
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    1,959

    You can also see local variables from the Insight...

    You can also see local variables from the Insight Apogee interface. Run a Panel Point Log report: use program_name:* and check to have the field panels do the searching. You will get the actual value...
  32. Thread: Siemens Alarms

    by ynut204
    Replies
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    725

    If the points are still in the database, just...

    If the points are still in the database, just force them in manual alarm with the Commander application, then release them to normal condition. You shoud be able to acknowledge and delete them after...
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    I am currently working for Siemens. And did work...

    I am currently working for Siemens. And did work for other majors in the past. From my experience, and advice from Siemens techs here in Montreal, coming from every other control company (including...
  34. Thread: Temp Sensor

    by ynut204
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    The standard MEC doesn't take 100K ohm sensors....

    The standard MEC doesn't take 100K ohm sensors. Even if you can calculate a slope and intercept for it, it won't give a good reading, regardless of jumper position.
  35. Thread: Temp Sensor

    by ynut204
    Replies
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    Depends on what type of controller from SBT you...

    Depends on what type of controller from SBT you are talking about. TEC can accept a 100K sensor, and 10K. MBC can take it too if you have a 100K module.
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    Your point may resides in a TEC controller or...

    Your point may resides in a TEC controller or another FLN device. If it's the case, it is driven locally in this controller by a built-in application. Or the point uses the same address as an other...
  37. Replies
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    Yes, Datamate can backup Apogee panels. If your...

    Yes, Datamate can backup Apogee panels. If your version is not too old. Version 3 and above for sure, can't say for 2 and below.
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