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How to achieve freewheel stop while controlling the ATV320 drive over profinet protocol?

Issue:
How to achieve freewheel stop while controlling the ATV320 drive over profinet protocol?

Product Line:
Altivar 320.

Environment:
All

Cause:
N/A

Resolution:
On profinet : 
Telegram 1 used PROFIDRIVE 
Other Telegram use the native drive command (mean I/O profile or CIA402) 

CHCF = SIM or SEP : 
Send the sequence 0x6, 0x7 and 0xF in order to start. 
To stop in freewheel, send 0x0 in CMD 

CHCF = I/O: 
Write 1 in the bit 0 of CMD to start. 
Write 0 bit 0 to stop according STT parameter. So configure STT to Freewheel in order to stop in freewheel.
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