Correlate a project with a controller

Correlate a project with a controller to go online with a controller. A correlated project file is a file that matches the contents of a controller, to a sufficient extent, to enable the programming software to go online. When trying to go online, the
Logix Designer
 application automatically attempts to correlate the project by uploading any online changes made to the controller since last online. While online, changes made by other users are automatically uploaded to the project.
When going online, if the project cannot be automatically correlated, the
Connected To Go Online
 dialog opens. This dialog explains why the project could not be correlated, and explains options.
Below is a list of the correlation conditions in the
Connected To Go Online
 dialog.
  • Offline changes have been made to the open project.
    Offline changes to program logic and configuration cannot be automatically correlated. Decide whether the changes should be downloaded to the controller, or whether they should be discarded (that is, overwritten) by uploading the entire project.
    TIP:
    Documentation changes are not discarded on upload since they are merged with the project from the controller. If the only offline changes were to documentation, the
    Offline changes have been made to the open project
     message does not show and the controller goes directly online.
    TIP:
    Upload into a new file by selecting
    Select File
     and enter a name of a file that does not already exist.
  • The open project doesn't match the project in the controller.
    Be sure to have the correct communications configuration. If the communication configuration is correct, and this message shows, then the wrong project file is open. Select
    Select File
     to access the
    Select File
     dialog, to locate and open the correct project file.
    If you do not have the matching project file, upload the project into a new file by selecting
    Select file
     button and either entering a file name or accepting the default name. (The default name is the same as the controller name.)
  • The project file was not found in your project directory.
    This condition occurs when attempting to go online without first opening a project, and the
    Logix Designer
     application cannot find a project file (with the same name as the controller) in the project directory. If the project file is in a different directory, use
    Select File
     to access the
    Select File
     dialog to locate and open the file. Or, create a new file and upload the file by entering the name of the new file in the
    Select File
     dialog.
    TIP:
    The
    Logix Designer
     application, by default, names the file the same as the actual name of the controller it is connecting to. Examine the controller name to make sure that it is the intended controller to use online.
  • You need to upload or download in order to go online using the open project.
    This condition occurs if:
    • There are two copies of the project file, one was downloaded, and attempting to go online with the other.
      In this case, upload. Both copies are correlated and both copies become available to go online.
      OR
    • Changes made online to the controller cannot be correlated.
      In this case, upload. Downloading overwrites the online changes.
      TIP:
      Use the option of uploading into a new file by selecting
      Select File
       and entering the name of a file that does not exist.
  • There is no project loaded in the controller.
    The
    Logix Designer
     application cannot go online unless there is a project in the controller. To go online, download a project to the controller.
  • The project in the controller was created by a newer version of the application.
    To go online without altering the project in the controller, install the newest version of the application. Going online with the controller by downloading a project using the current version of the software replaces the contents of the controller (which may not be what is wanted).
  • The project in the controller was created using an application other than the
    Logix Designer
     application.
    Going online with the controller by downloading a project replaces the contents of the controller (which may not be what is wanted). The other option is to use the application that created the project.
    The conditions encountered in the
    Connected to Upload
     dialog are the same as those listed above, with the these additions.
  • You can go online without uploading.
    No offline changes were detected, and either:
    • No online changes were detected,
      OR
    • Online changes were detected, but they can be automatically correlated
      In either case, go online without uploading, unless SSV instructions have made changes to the controller and want to update the open project with those changes.
      TIP:
      The
      Logix Designer
       application cannot detect runtime changes made by SSV instructions. If going online without uploading, incorrect data may display in the configuration dialogs for any CIP objects that have been changed.
  • You can upload into the open project file.
    This is a confirmation that the project files match and upload into the open file can occur. If the files do not match, the message
    The open project doesn't match the project in the controller
    shows.
  • The controller is secured.
    The application cannot upload, download, or go online with a secured controller. Unsecure the controller and try again.
  • Project not correlated: A different copy of the project is stored in nonvolatile memory and has been loaded into the controller.
    The controller memory was loaded from nonvolatile memory. Program logic and configuration cannot be automatically correlated, because changes made after the nonvolatile memory image was stored are no longer in the controller. Decide whether the changes should be downloaded to the controller or whether they should be discarded (that is, overwritten) by uploading the entire project.
    TIP:
    Documentation changes are not discarded on upload since they are merged with the project from the controller. If the only offline changes were to documentation, the
    A different copy of the project is stored in nonvolatile memory and has been loaded into the controller
     message does not show and the controller goes directly online.
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