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  1. Replies
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    A normal FT-10 device can be operated on a LPT-10...

    A normal FT-10 device can be operated on a LPT-10 channel, so no need for a router here.
    BTW, SVEA and also TAC is all Schneider Electric.
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    When a manufacturer sends a product to a test...

    When a manufacturer sends a product to a test lab, he has to specify to which BACnet Device Profile the product complies. The BACnet Device Profile then specifies a minimum set of BIBBs.

    The...
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    Right - and you need to check the profiles before...

    Right - and you need to check the profiles before you know if the devices can communicate. Something that is often not so easy and straight forward.

    In LON, you do not have to think about that. On...
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    This does not sumarize my post correctly. Maybe I...

    This does not sumarize my post correctly. Maybe I wrote too much about comissioning tools and protocol basics.

    If you want to sum it up I would say that the ANSI/EIA 709 (LON) standard is much...
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    I disagree with this statement. There are some...

    I disagree with this statement.

    There are some fundamental differences on the level of interoperatbility between LON and BACnet.

    LON is a multi-master system, whereas BACnet is a Client/Server...
  6. Replies
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    This is not completly correct. Let me try to...

    This is not completly correct. Let me try to explain in other words:

    1. First, there is a test plan. This test plan is the same world wide. The manufacturer needs to send his devices and the test...
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    I'll also be there. To contribute to this...

    I'll also be there.


    To contribute to this thread:
    There is a difference between BACnet standard conformance testing (according to a BTL test plan) and BTL listing.

    To check this, look here:...
  8. Thread: universal Gateway

    by 709
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    How should routing between BACnet and LON work?...

    How should routing between BACnet and LON work?
    Routing is a layer 3 service, so it forwards packets based on the address information. Further, it can change media when staying in the same protocol...
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    I don't know the evaluation board, but I guess...

    I don't know the evaluation board, but I guess that it is just an empty neuron chip than you can program with Neuron C using the Nodebuilder software, right?

    Then there is nothing to configure -...
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    What devices are you using for this project?

    What devices are you using for this project?
  11. Thread: MSTP vs FT10

    by 709
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    Do you mean if the controllers are configured as...

    Do you mean if the controllers are configured as clients or as servers?

    For the controllers I know best, it works the following way:
    In case the controller boots up, it automatically broadcasts...
  12. Thread: MSTP vs FT10

    by 709
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    I would like to add a few things to this...

    I would like to add a few things to this conclusion.
    The LON protocol standard defines a powerful set of network management commands to configure the nodes in the network. LNS itself uses these...
  13. Thread: MSTP vs FT10

    by 709
    Replies
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    7,779

    Hm, here I (partially) disagree. I think I...

    Hm, here I (partially) disagree. I think I understand what you mean by "the networks configure themselves" - probably you mean that the devices are able to find themselves with Who-Is, I-Am, Who-Has,...
  14. Thread: MSTP vs FT10

    by 709
    Replies
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    7,779

    Yes, you can do this in LON. You can add all the...

    Yes, you can do this in LON. You can add all the nodes to the data base before you go onsite and press the service pin. You even can enter the unique-node-id manually in the LNS data base before you...
  15. Thread: MSTP vs FT10

    by 709
    Replies
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    7,779

    Actually regarding addressing, LON IMHO has a...

    Actually regarding addressing, LON IMHO has a cleaner approach when looking at the OSI modell.
    In BACnet you have to set addresses for the BACnet communication (the one you described above) and in...
  16. Thread: MSTP vs FT10

    by 709
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    7,779

    Since the thread has been helpful to learn about...

    Since the thread has been helpful to learn about MSTP and the title is "MSTP vs FT10", let's add some facts about FT10. Maybe it is also helpful for some members who read this.

    FT10 is a special...
  17. Thread: MSTP vs FT10

    by 709
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    7,779

    I just found this interesting article about MSTP....

    I just found this interesting article about MSTP. Contains explanation about master and slaves. And also corrects me: slave IDs can be between 0 and 254.
    Check it out:...
  18. Replies
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    AFAIK, Siemens at the moment is the only company...

    AFAIK, Siemens at the moment is the only company who uses this. I personally never tested the devices, but what I have heared, the setup performs really good and they have no issues with the FT...
  19. Not necessarily. When you use the correct Neuron...

    Not necessarily. When you use the correct Neuron C include files, then the data structure should always be correct. However, when you have a host based node which uses the Neuron Chip only as a...
  20. Replies
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    BACnet over LON uses he Foreign Frame message...

    BACnet over LON uses he Foreign Frame message code for a LON application message to encapsulste the BACnet data into the APDU. The packet size is rather large compared to "normal" LON messages so you...
  21. Thread: MSTP vs FT10

    by 709
    Replies
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    7,779

    OK guys, now since the thread is back to the...

    OK guys, now since the thread is back to the topic, let me also give my 2 cents on this - maybe it helps getting things told in different words:

    MSTP = Master/Slave Token Passing

    Each node on...
  22. To come back to Lonboy's original post about the...

    To come back to Lonboy's original post about the interoperable network: the fact that there is quite some freedom in the implementation of what services and features the devices support in BACnet...
  23. This is done individually on the different...

    This is done individually on the different devices. On BACnet IP you will find many devices which have a web server where you can adjust this. On other devices like e.g. a MSTP thermostat, you will...
  24. Replies
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    Guys, these useless discussions about BACnet vs....

    Guys,
    these useless discussions about BACnet vs. Lonworks are soooo boring so please move this to the other thread and do not hihack this one.

    We are doing both - BACnet and LON - for several...
  25. Thread: how to start?

    by 709
    Replies
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    Thanks for the hint. Kaleun, did you apply for...

    Thanks for the hint.
    Kaleun, did you apply for Pro yet?
    Or can you please contact me via E-Mail (check my profile).
    Thanx
  26. Thread: how to start?

    by 709
    Replies
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    Kaleun, can you please enable PM or send me a...

    Kaleun,
    can you please enable PM or send me a PM?

    Thank you!
  27. Replies
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    Hi BACnet, looking forward to test the new...

    Hi BACnet,
    looking forward to test the new version!



    You asked for it, so here is some more requests.
    This is something I came across last week and I believe that your tool can help in...
  28. Replies
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    Well - as I said: it works, but it's wrong. You...

    Well - as I said: it works, but it's wrong.
    You can leave it as it is - because it is works.
    Or you fix it, because you want to do it right.
  29. Replies
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    OK, so when you want to make things properly,...

    OK, so when you want to make things properly, than you need to fix this. The issue is:



    In Alex you put all your nodes on channel Backbone, but physically they are not attached to the IP...
  30. Replies
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    OK, just to sort this out: the L-IP has to be in...

    OK, just to sort this out: the L-IP has to be in configured router mode to commission it - this is correct. When you have set up your channels right, then the nodes of course also can communicate...
  31. Replies
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    So when you run the L-IPs in configured router...

    So when you run the L-IPs in configured router mode and you select to re-comission the devices that you previously moved to the channels attached to the L-IPs: what does Alex tell you? Can you reach...
  32. Replies
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    Have you comissioned the routers after you put...

    Have you comissioned the routers after you put them in the LNS data base?
    How did you proceed with the installation of the nodes? Were they already in the data base before you comissioned the L-IP...
  33. Replies
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    Are your two Floors in the same LNS domain (this...

    Are your two Floors in the same LNS domain (this is - in the same Alex project) or in different projects? If they are in the same project, then the behavior is not normal - then Alex automatically...
  34. Replies
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    Chris, on the web interface, switch the router...

    Chris,
    on the web interface, switch the router mode from "Smart switch" to "Configured Router". Reboot the L-IP devices after that and then try to comission them again. This will solve your problem.
  35. Replies
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    After asking me, I filled out the form and sent...

    After asking me, I filled out the form and sent out a mail. But I did not get any feedback yet. Could be that I don't meet the requirements of a pro.

    :hijacked: off
  36. The lux scale is highly non-linear, so when the...

    The lux scale is highly non-linear, so when the outside light level is 500lx, this is very dark and the inside light will be much less.

    On which external lux level the inside light is switched on...
  37. Replies
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    BACnet, I just read through your post and had a...

    BACnet,
    I just read through your post and had a close look at the text file output of the tool. To be honest, I did not do this before, so now I understand how you sum up the values and how the tool...
  38. Replies
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    Hi BACnet, thanks for your clarification - but I...

    Hi BACnet,
    thanks for your clarification - but I still do not understand the results I see.
    Let me try to explain using the example above - it is a quite realistic one because many installers leave...
  39. Replies
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    Hello BACnet, thank you for the tool! I...

    Hello BACnet,
    thank you for the tool!
    I downloaded it and did some test runs.
    I have one questions where I do not understand the results I see:
    I have settings 38400, 40 units, 10 requiring...
  40. Replies
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    Basically there are two points to mention about...

    Basically there are two points to mention about this:
    First, physically there is a daisy chained ethernet cabling. This means that when one controller physically breaks, the communication breaks up...
  41. I'm only member of this forum for a short time...

    I'm only member of this forum for a short time now, but I am wondering what all this strange battles about definitions are worth.
    Let's assume that the term "cloud" is often used in a marketing...
  42. I would use the term "distributed control" for an...

    I would use the term "distributed control" for an application like in a classical LON system: you have lots of intelligent network nodes (sensor, controllers, actuators) with pre-programmed...
  43. Replies
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    Could it be that the "Scanning and control...

    Could it be that the "Scanning and control enable" checkbox activates the polling on the modbus and therefore enables the reading of live values?
  44. Replies
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    This is definitely a wrong statement! RS485...

    This is definitely a wrong statement! RS485 communication always uses 2 signal wires and a ground reference. (see eg. http://en.wikipedia.org/wiki/RS-485).
    If you do not have a third terminal for...
  45. Replies
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    100% agreed! Scope and sniffer rulez!

    100% agreed! Scope and sniffer rulez!
  46. Thread: Loytec Modbus Help

    by 709
    Replies
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    4,253

    No hotfix required: Did some measurements with...

    No hotfix required:
    Did some measurements with the scope. I used 38400 baud.
    This calculates to a bit time of 26us (1/38400).
    1 character has for 8N1 10 bit (start bit, 8 data bits, 1 stop bit =...
  47. Thread: Loytec Modbus Help

    by 709
    Replies
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    4,253

    The transmission delay is a delay that keeps the...

    The transmission delay is a delay that keeps the Linx "silent" after sending a request message. Some Modbus devices are not able to process requests if they are received in a very short period or...
  48. Thread: Loytec Modbus Help

    by 709
    Replies
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    4,253

    Some updates from my side: 1. User hos was...

    Some updates from my side:

    1. User hos was right, the "Frame Damaged" message also is returned when no response is sent at all. I did not expect this - but it seems this is the way it works.

    2....
  49. Thread: Loytec Modbus Help

    by 709
    Replies
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    4,253

    No, this is a 3rd party modbus device for...

    No, this is a 3rd party modbus device for compatibiliy tests:angel:
  50. Thread: Loytec Modbus Help

    by 709
    Replies
    48
    Views
    4,253

    Sysint, this guy looks just like a technical...

    Sysint, this guy looks just like a technical sales guy of Loytec...
    :bump:
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