Siemens SINUMERIK 840D sl Function Manual page 197

Jerk limitation
The smoothing of the velocity jump on each axis and thus the shape of the rounding path
depends on whether an interpolation is performed with or without jerk limitation.
Without jerk limitation the acceleration of each axis reaches its maximum value in the entire
rounding area.
Basic Functions
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
B1: Continuous-path mode, Exact stop, Look Ahead
4.3 Continuous-path mode
197