Reason for the reported behaviour of "Empty frequency analysis" is the slow communication from PC over the ctrlX CORE to DRIVE.
If using a direct USB connection over the pannel erverything is working fine.
Another solotion for this issue is to activate the EoE communication from the ctrlX CORE to the DRIVE. Please follow the instructions given in the HowTo
https://developer.community.boschrexroth.com/t5/Store-and-How-to/Establish-connection-to-ctrlX-DRIVE-via-ctrlX-CORE/ba-p/14511
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