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.
If a device is placed in BOOTSTRAP mode for a firmware update, it does not check when downloading whether the new firmware is suitable.
This can result in damage to the device! Therefore, always make sure that the firmware is suitable for the hardware version!

EL3602
Hardware (HW)	Firmware	Revision No.	Date of release
00 - 11*	01	EL3602-0000-0016	2008/11
	02		2009/01
	03*	EL3602-0000-0017	2012/06
		EL3602-0000-0018	2012/08
		EL3602-0000-0019	2024/02

EL3602-0002
Hardware (HW)	Firmware	Revision No.	Date of release
05 - 11*	01*	EL3602-0002-0016	2012/06
		EL3602-0002-0017	2012/10
		EL3602-0002-0018	2024/02

EL3602-0010
Hardware (HW)	Firmware	Revision No.	Date of release
02 - 12*	01	EL3602-0010-0016	2008/12
	02*	EL3602-0010-0017	2012/06
		EL3602-0010-0018	2012/09
		EL3602-0010-0019	2024/02

EL3602-0020
Hardware (HW)	Firmware	Revision No.	Date of release
07 – 11*	03*	EL3602-0002-0018	2013/12
07 – 11*	03*	EL3602-0002-0019	2024/02

EL3612
Hardware (HW)	Firmware	Revision No.	Date of release
02 - 08*	01	EL3612-0000-0016	2009/09
	02*		2012/03
		EL3612-0000-0017	2012/08
		EL3612-0000-0018	2015/01
		EL3612-0000-0019	202402

EL3612-0020
Hardware (HW)	Firmware	Revision No.	Date of release
05-08*	02*	EL3612-0020-0018	2016/12
05-08*	02*	EL3612-0020-0019	2024/02

EL3621-0020
Hardware (HW)	Firmware	Revision No.	Date of release
00-08*	01*	EL3621-0020-0016	2015/10
00-08*	01*	EL3621-0020-0017	202402

*) 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.