Siemens SINUMERIK 840Di Function Manual page 266

Data Lists
5.2 Setting data
Number Identifier: $MA_
35240 ACCEL_TYPE_DRIVE
35242 ACCEL_REDUCTION_TYPE
5.2 Setting data
5.2
5.2.1 Channel-specific setting data
Number Identifier: $SC_
42500 SD_MAX_PATH_ACCEL
42502 IS_SD_MAX_PATH_ACCEL
42510 SD_MAX_PATH_JERK
42512 IS_SD_MAX_PATH_JERK
5.3 System variables
5.3
Identifier
$AC_PATHACC
$AC_PATHJERK
5-2
Description
"DRIVE" acceleration characteristic curve: ON/OFF
Type of acceleration reduction
Description
Max. path acceleration
Analysis of SD 42500: ON/OFF
Max. path-related jerk
Analysis of SD 42510: ON/OFF
Description
Path acceleration for real-time events
Path jerk for real-time events
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Acceleration (B2)