Hey Mike,
these settings didn’t work?
Creating a custom VFD and spindle
[…]
Settings for 8. Creating a custom VFD program:
Command Address Value Comment max-freq-read 5 0 Maximum operating frequency freq-set 513 0 Set frequency in 0.1Hz stop-write 512 0 Stop fwd-write 512 1 Run forward rev-write 512 5 Run reverse freq-read 544 0 Read operating frequency status-read 528 0 Read status disable