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TMS320F28388D: FSI data Transmit data and recive data stop when I run motor.

Part Number: TMS320F28388D
Other Parts Discussed in Thread: TMDSFSIADAPEVM

Tool/software:

hello TI.

I am testing motor control using FSI.

My processor is 28386D.

My test env is like this:

I am reffered the TIDM-02006-Multi-Axis Dirve Over FSI.

After applying the high voltage of about 300V DC-LINK, if I drive the motor at Node1 or Node2, the communication value received by Lead is fixed and cannot be updated.
Node1 and Node2 were busy sending update data.


Is FSI communication unsuitable for high voltage applications?

thank you for reading.