15: length value
16: PID output percentage
18: PID feedback
19: PID setting
21: output frequency (actual
value)
22: set frequency (actual value)
23: output current (actual value)
24: output torque (actual value)
25: set torque (actual value)
27: estimated feedback frequency
(actual value)
28: synchronization frequency
(actual value)
29: acceleration and deceleration
output frequency (actual value)