A physical USB security key plugged into your PC or PLC.
(remove permanently): Use Delete – but license cannot be reused unless you have backup.
Open the License Manager, connect to the device, and check the status column. It should read "Valid".
Select the target device (PLC) from the communication settings. codesys license activation
Open your project and connect to the target PLC via the settings. In the device tree, double-click on the root Device node.
This is the most common method if your workstation or controller has an internet connection. : Go to Tools > License Manager .
Portability. You can move the USB dongle between different computers or PLCs. A physical USB security key plugged into your PC or PLC
Ensure the CODESYS runtime is installed and running on the target device.
Mastering CODESYS license activation is a fundamental skill for any automation engineer working with this powerful platform. By understanding the difference between application-based and traditional licenses, mastering the License Manager tool, and knowing how to troubleshoot the common pitfalls of firewalls and Linux containers, you can ensure your systems run reliably and without interruption.
Follow the wizard to select the target container (Soft Container or Dongle). C. Offline Activation via License Central It should read "Valid"
Are you using a or a Soft Container (device-locked)? Does the machine have internet access ? Licensing of Products - CODESYS Online Help
Are you activating a (CODESYS IDE) or a Device/PLC (runtime)?
For industrial PCs or controllers with USB ports.
Select the target device (e.g., Raspberry Pi via Ethernet) to bind the license directly to the PLC. 4. Troubleshooting and Best Practices