Beckhoff EK15 Series User Manual

Appendix
EK1122, EK15xx76 Version: 3.4
8.4.3 Updating controller firmware *.efw
CoE directory
The Online CoE directory is managed by the controller and stored in a dedicated EEPROM, which
is generally not changed during a firmware update.
Switch to the Online tab to update the controller firmware of a slave, see Fig. Firmware Update.
Fig.64: Firmware Update
Proceed as follows, unless instructed otherwise by Beckhoff support. Valid for TwinCAT2 and 3 as
EtherCAT master.
• Switch TwinCAT system to ConfigMode/FreeRun with cycle time >= 1 ms (default in ConfigMode is 4
ms). A FW-Update during real time operation is not recommended.

Beckhoff EK15 Series Specifications

General

Brand	Beckhoff
Model	EK15 Series
Category	Network Hardware
Language	English