Firmware compatibility
Beckhoff EtherCAT devices are delivered with the latest available firmware version. Compatibility of firmware and hardware is mandatory; not every combination ensures compatibility. The overview below shows the hardware versions on which a firmware can be operated.
Note
- It is recommended to use the newest possible firmware for the respective hardware
- Beckhoff is not under any obligation to provide customers with free firmware updates for delivered products.
| Notice | |
| Risk of damage to the device! Pay attention to the instructions for firmware updates on the separate page. | 
| EL6090 | |||
|---|---|---|---|
| Hardware (HW) | Firmware (FW) | Revision no.. | Date of release | 
| 00 - 06* | 01 | EL6090-0000-0016 | 2014/07 | 
| 02 | EL6090-0000-0017 | 2016/08 | |
| 03 | 
 | 2020/03 | |
| 04 | 
 | 2021/12 | |
| 05 | EL6090-0000-0017 | 2023/02 | |
| 06* | 
 | 2024/04 | |
| *) This is the current compatible firmware/hardware version at the time of the preparing this documentation. Check on the Beckhoff web page whether more up-to-date documentation is available. |