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  1. There are also these other solutions (if you dont...

    There are also these other solutions (if you dont intent to use Mworkstation buildin trending option).

    Assuming you or other resource, have expertise on protocol handling...

    1. Tap on N30s LAN...
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    In my area it is very hard to identify a standard...

    In my area it is very hard to identify a standard from unit manufacturers provisions..

    Just inspect the unit's mixing box, and try to identify damper actuators (one-two or three), in case there...
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    P,I,D absolute numbers cannot help understand the...

    P,I,D absolute numbers cannot help understand the PID action in total.
    I have seen on even same brand controllers those attributes (especially I,D) to express different values. F.e I some times...
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    7,046

    Poll: Hello to everybody... I vote against a...

    Hello to everybody...

    I vote against a separate controls forum (professional) because i dont see how it would promote communication between controls people..
    I think this forum power is that...
  5. I didnt understood the last post, but to the...

    I didnt understood the last post, but to the original one if Spyder id Bacnet MSTP or Lon you can do it by adding a new NxE with the appropriate trunk (both options are supported).

    We recently...
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    I thought he was proposing a solution and FX60...

    I thought he was proposing a solution and FX60 was not on project..

    I am not familiar with FX60 as we dont have it available in Europe..

    Any OPC (combined with a graphic package) would be an...
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    The serial or dialup connection used to be the...

    The serial or dialup connection used to be the baseline for N30s.
    We used serial only for initial startup and troubleshooting.

    The case is that N30, can have installed an ethernet card even after...
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    Ask from Carrier to provide Lon, ask from JC...

    Ask from Carrier to provide Lon, ask from JC vendor to replace FX cards with Lon (reprogramming of controller profile is required). Thats the most simple.

    Alternative: if M3i is available in US,...
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    If you use a multimeter you will actually see...

    If you use a multimeter you will actually see that when triac (output) is off the voltage is slightly different than when output is on (if I can recall right about 21.5 V in of where 24V in on).
    But...
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    Quote from printer2 '' Residential power...

    Quote from printer2

    '' Residential power meters measure real power (kWh) not VAR's. Power correction will not help you save money.''

    Do a little research with your utility provider before you...
  11. If it is M3 with N30, you must use an OLE object...

    If it is M3 with N30, you must use an OLE object on Graphic console, that will allow you to embend schedule interface in graphics.

    That object is in OLE toolbox, and you must set on its properties...
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    If you have left it alone, and not still...

    If you have left it alone, and not still recovered (most propable).

    Check if the N30 goes in cycle power sequence, turning leds on sequencially.

    If it goes like that all the time you need to...
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    1,773

    FX16 controller is UL873 listed. Fire/smoke...

    FX16 controller is UL873 listed.

    Fire/smoke sequence as its cleared above on DDC scope doesnot have to do with fire/smoke detection, fire expand prevention, or extinguish.

    Most times sequence...
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    1,773

    Ther is always a big confusion around strategies...

    Ther is always a big confusion around strategies that has to take place during fire incidents and I have heard everything that you can imagine around the topic.

    The case is that smoke control IMO...
  15. Your description is a litle vague...You have to...

    Your description is a litle vague...You have to maintain T/RH conditions on supply or return, is it a single coil or dual coil application, constnt fan or variable?
    The concept in all ways has a...
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    Actually FX16X

    Actually FX16X
  17. Replies
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    1,257

    Take a look at the Babel Buster ...

    Take a look at the Babel Buster

    http://www.csimn.com/CSI_pages/BB100.html
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    Just to add my two cents. Kd has detailed...

    Just to add my two cents.

    Kd has detailed described the issues that may arise...

    I am not based in US so i dont have to deal with local codes, but i have recently involved on a high security US...
  19. Slowing down the PID cycles IMO wont affect...

    Slowing down the PID cycles IMO wont affect significally your fan behaviour, especially when you try to modulate this output based on a process variable on that range with a setpoint somewhere on...
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    GM is globaly defined in finance as gross margin....

    GM is globaly defined in finance as gross margin.

    That profit window is not what someone actually put in his pocket, wheather you work for your own buisiness or a corporate, actually is what money...
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    Why dont you think using a laptop with a...

    Why dont you think using a laptop with a crosscable directly connected to the IP interface (eventhough new ethernet cards dont need cross cable for direct connections as they handle the crossing).
    ...
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    I follow this forum for quite a long period, and...

    I follow this forum for quite a long period, and there is always a war between Bacnet Allies and Lon Axis....

    Just a couple of stupid questions...

    1. Everybody work with temperature sensors......
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    523

    BAS work statistical data

    Hello guys,

    does anybody keep records of statistical data of BAS works?

    F.e. How much time for installing that type of sensor,time for graphic generation, program developping etc.

    It will be...
  24. Thread: PID

    by kostasgreece
    Replies
    16
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    2,790

    Yes thats the one.

    Yes thats the one.
  25. Thread: PID

    by kostasgreece
    Replies
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    2,790

    There has been a lot of discussion not long ago,...

    There has been a lot of discussion not long ago, about the PID tunning.

    I will again re-post the best and most simple IMO article that i have seen until today.

    Check the following link of...
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    I have followed the posting and i finally decided...

    I have followed the posting and i finally decided to pop the question here instead of opening a new thread, so all opinions would be on one spot..

    If you were looking for a control line (simple or...
  27. Thread: NAE5510

    by kostasgreece
    Replies
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    838

    Every time that the whole bus goe offline...

    Every time that the whole bus goe offline (network unit+field devices) there is a period at which network unit must recover its online state, field devices then obtain online state, and finally...
  28. Thread: DX9200

    by kostasgreece
    Replies
    1
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    552

    Use GX with serial cable connected to RS232 port...

    Use GX with serial cable connected to RS232 port of DX9200.
  29. Thread: NAE5510

    by kostasgreece
    Replies
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    838

    How long after the power recovery did you connect...

    How long after the power recovery did you connect on?
    Do you have still the same picture ?
  30. Replies
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    Amigo, what is the line that you use for...

    Amigo,

    what is the line that you use for control system?
  31. Replies
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    Still even if the JC interface is right now...

    Still even if the JC interface is right now limited to basic functions,

    their product line seems to be very atractive if it comes to the right price...

    Dont you think?
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    Computrols dealer

    Hello does anybody knows how to become Computrols dealer?

    Thanx
  33. Replies
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    Hello guys, does anybody know what Computrols...

    Hello guys,

    does anybody know what Computrols request to become a dealer of them?

    I poped a question to their site but still waitting.

    By the way I am located in Greece...

    Thanx
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    To respect the source I wouldnot post or quote a...

    To respect the source I wouldnot post or quote a part.

    The following link of Control Engineering September issue, describes Relay method for tunning PIDs.
    ...
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    cleancondenser, with all the respect, this is...

    cleancondenser,

    with all the respect, this is why controllers have D action.

    Not all HVAC systems require D action, as HVAC systems tend to have low response and a reasonable settling time.
    ...
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    You will need to review (as already noted before)...

    You will need to review (as already noted before) your sensor locations and coils configuration.

    IMO you should have OA T and RH, T right after the cooling coil (better an averaging T sensor), SA...
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    You should find no excuses to visit Greece......

    You should find no excuses to visit Greece... just jump on a plane and come around to have fun....

    Does Loytec have field controllers?

    I apreciate your input and I would be more than glad to...
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    Seriously i wanted just to experiment a litle bit...

    Seriously i wanted just to experiment a litle bit around with HTML..

    I have seen Loytec range of products and they seem quite good, althought i shall need some more information and possibly some...
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    So what it is really? A field network control...

    So what it is really?

    A field network control engine that can expose filed data to a pc based opc server?

    It has also web access and can hold graphics for external access?

    And what is the...
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    :D Thank you Sysint... I do know that there are a...

    :D Thank you Sysint... I do know that there are a lot of that kind of products out there...

    But i just wanted to make it on my own..!!
    Read OPC data (lets make it harder....), read field bus...
  41. Replies
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    HMI using OPC server on HTML

    Hello everybody..

    I was looking around for some help and after hours of googling I decided to turn on the forum for some real advise...

    The concept is really plain..
    Lets say that I find...
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    1,067

    The less I have dealt with is 16Hz, I had...

    The less I have dealt with is 16Hz, I had problems with couplings destroyed but that was due to VFD was increasing/decreasing pump speed too fast, after slowing control responce everything was fine....
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    1.Verify Ethernet connectivity Go to...

    1.Verify Ethernet connectivity

    Go to Start==>Run and type ping xxx.xxx.xxx.xxx (NAE ip addrees)
    If you are connected you must have replies, if you dont have replies your connectivity is wrong.
    ...
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    You ca use the Manual Reset Alarm object, by...

    You ca use the Manual Reset Alarm object, by setting autoreset to 0.
  45. Replies
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    In Metasys OWS you have two options, either use...

    In Metasys OWS you have two options, either use M5 where you may have OPC server (OPC server is for monitoring that means you can not interlock-exchange points between NCU and OPC) or use PC based...
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    In our DDC panel configuration we always include...

    In our DDC panel configuration we always include at least one FX16 (not panel controlling lights of course) in order to implement master-slave configuration in such systems as chiller...
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    Try to read the data sheet of the controller...

    Try to read the data sheet of the controller because FX series can operate on dual local network configuration.
    You can either have one application, distributed on an amount of controllers, in that...
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    Currently i am seeing Intellicom.se WebScada...

    Currently i am seeing Intellicom.se WebScada solution with modbus connectivity which looks very promising
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    Many compatibility issues may arise these times...

    Many compatibility issues may arise these times that new OS is coming to town ...
    You may try to use virtual machines on your Vista laptop.
    Ihave tried it and works awsome...
    I have software that...
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    I donot have a feedback of somebody having at the...

    I donot have a feedback of somebody having at the same time connected two sites on M3.
    I can tell you though (as noted before) that on Bacnet level you can exchange information between N30 (same or...
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