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ScottInTexas12-Amethyst
12-Amethyst
November 14, 2023
Solved

How can I get a list of tags from the PLC?

  • November 14, 2023
  • 1 reply
  • 5650 views

I am just starting out and trying to figure out how to use KEPServerEx 6. I created the channel and the  device then opened the Quick Client. There are several folders listed such as DataLogger, System,etc. At the bottom is the Channel.Device._system folder. When I open that, there are about 22 tags. But not what I want. I am looking for temperatures, torques, pressures, etc. How do I get those tags?

 

Thanks.

    Best answer by cmorehead

    @ScottInTexas

     

    Here is a link to the page in the Allen Bradley Control Logix Manual that covers tag generation:

     

    https://www.ptc.com/store/-/media/kepware-store/en/manuals/allen-bradley-controllogix-ethernet-manual.pdf#page=24

     

    The Omron driver used to connect to an Omron protocol devices does not support the functionality of automatic tag generation. A manual addition of tags or csv import will be needed to add tags to the configuration for the Omron Driver. 

     

    Thanks,

    *Chris

    1 reply

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    SlidingDownhill12-Amethyst
    12-Amethyst
    November 14, 2023

    If you have the channel and device entered correctly you should be able to browse through that channel (not the _system) and see the controller tags. You can also have the channel/device generate static tags in the configuration panel of the device setup. 

     

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      ScottInTexas12-AmethystAuthor
      12-Amethyst
      November 15, 2023

      Thank you, SlidingDownhill, for your reply. You said "You can also have the channel/device generate static tags in the configuration panel of the device setup." I read that as I can click something and a list of tags will be generated. How do I do that? I do not see anything in the menus to accomplish this. It is an Omron PLC so I should be seeing tags like Ext1Temp1 or Screw1RPM. Or however the tags are defined. But in the Omron the Address is a name. Can you describe how to have the device generate a list of tags?

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      SlidingDownhill12-Amethyst
      12-Amethyst
      November 15, 2023

      That might only be an Allen Bradley thing - I have no info regarding using Omron. Sorry

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