Select the controller mode

After you deploy a project to a controller, you can go online with it. Once online, use the
Online
 pane to select the controller mode.
Keep these considerations in mind when selecting the controller mode:
  • When you deploy a project to multiple physical controllers, all controllers remain in Program mode. The controllers remain in Program mode until you go online with each controller and set the mode to Run.
  • You can be online with only one controller at a time. If you are currently online with a controller and choose to go online with a different controller, you automatically go offline with the current controller and all monitoring tabs are closed.
  • On the
    Online
     pane, select a mode:
    • Program
      . The controller halts execution of tasks, programs and routines. It continues to read and write I/O, but output values do not change because the program scans are not running.
    • Run
      . The controller schedules tasks, scans programs and routines, and reads and writes I/O.
    • Remote Program
      . Remote Program mode functions like Program mode except you can change the controller mode.
    • Remote Run
      . Remote Run mode is identical to Run mode except you can edit the project online and change the controller mode.
    TIP: You might need permission to select the controller mode. See User roles and access for more information.
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