Siemens SINUMERIK 840D sl Function Manual page 287

Program code
; Synchronized action:
interventions)
N0530 ID=1 WHENEVER ($AC_TIMEC > 16) DO $AC_OVR=10
N0540 ID=2 WHENEVER ($AC_TIMEC > 30) DO $AC_OVR=100
;Approach
N1000 G0 X0 Y0 SOFT
N1100 TRANS Y=-50
N1200 AROT Z=30 G642
; Contour
N2100 X0 Y0
N2200 X = 70 G1 F10000 RNDM=10
N2300 Y = 70
N2400 X0
N2500 Y0
Characteristic of path velocity and jerk
Acceleration profile: SOFT
1: Jerk according to $MA_MAX_AX_JERK[..]
2: Jerk according to $AC_PATHJERK
3: Jerk according to $MA_MAX_AX_JERK[..] (approach block end velocity)
4: Velocity limiting using arcs
5: Jerk according to $AC_PATHJERK
Figure 5-14 Switching between path jerk specified during preprocessing and $AC_PATHJERK
Basic Functions
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
varying the override (simulation of external
B2: Acceleration
5.3 Examples
287