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I am not able to start up the Ethercat Slave device (Relaxkit), when I enable DC-Sync Mode in Ethercat Master Configuration!

I created the EtherCAT Slave application with the newest tutorial and versions of DAVE and Ethercat Slave Source Stack Tool.
The tutorial ist very good, so there was no problem to bring up the slave demo on the Relax Kit.

When I run the Ethercat in FreeRun/SM-Sync Mode, everything is fine, but when changing to DC-Sync, the slaves fails in State Transition from SAVE-OP to OPERATIONAL.
I debugged already a while, but I am not able to find the reason for this behaviour!

Any Ideas?

Many Thanks

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