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Fig. 58: 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.
• Switch EtherCAT Master to PreOP
• Switch slave to INIT (A)
• Switch slave to BOOTSTRAP
EL6631-0010
Version: 3.4.0
Appendix
73
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