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. |
EL3681 | |||
---|---|---|---|
Hardware (HW) | Firmware (FW) | Revision no. | Release date |
02 - 18* | 02 | EL3681-0000/0018 | 2010/06 |
03 |
| 2011/07 | |
04 |
| 2012/01 | |
EL3681-0000/0019 | 2012/07 | ||
05 | EL3681-0000/0020 | 2013/04 | |
EL3681-0000/0021 | 2013/05 | ||
06* |
| 2014/10 |
EL3681‑0020 | |||
---|---|---|---|
Hardware (HW) | Firmware (FW) | Revision no. | Release date |
10 - 18* | 06* | EL3681-0020/0016 | 2014/10 |
EL3681‑0030 | |||
---|---|---|---|
Hardware (HW) | Firmware (FW) | Revision no. | Release date |
00 - 01* | 06* | EL3681-0030/0021 | 2019/07 |
*) 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.