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!

EL5101
Hardware (HW)	Firmware	Revision no.	Release date
07	04		2007/12
08	05		2008/02
07 - 10	06		2008/03
	07		2008/04
	08		2008/05
	09		2008/05
	10		2008/08
08 - 17	11	EL5101-0000-1018	2009/01
	12		2009/02
	13		2009/02
	14		2009/02
	15	EL5101-0000-1019	2009/04
	16		2009/09
	17		2009/09
		EL5101-0000-1020	2010/05
		EL5101-0000-1021	2012/06
		EL5101-0000-1022	2012/10
18 - 31*	18	EL5101-0000-1023	2013/04
	18	EL5101-0000-1024	2014/11
	19*		2018/11

EL5101-0010
Hardware (HW)	Firmware	Revision no.	Release date
00 - 12	01	EL5101-0010-0016	2010/10
		EL5101-0010-0017	2012/06
		EL5101-0010-0018	2012/10
		EL5101-0010-0019	2014/11
13 - 16*	02*		2022/04

EL5101-0011
Hardware (HW)	Firmware	Revision no.	Release date
07 - 15*	01*	EL5101-0011-0016	2016/10

EL5101-0090
Hardware (HW)	Firmware	Revision no.	Release date
24 - 25	01	EL5101-0090-0016	2017/10
26 - 31*	02	EL5101-0090-0017	2018/11
26 - 31*	03*		2020/11

*) 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.