Data Lists; Machine Data; Nc-Specific Machine Data; Channel-Specific Machine Data - Siemens SINUMERIK 840D sl Function Manual

B2: Acceleration

5.4 Data lists

Machine data

MD35220
$MA_ACCEL_REDUCTION_SPEED_POINT[Z]
MD35230 $MA_ACCEL_REDUCTION_FACTOR[Z]
MD35242 $MA_ACCEL_REDUCTION_TYPE[Z]
MD35240 $MA_ACCEL_TYPE_DRIVE[Z]
Activation by entering as channel-specific initial setting:
MC_GCODE_RESET_VALUE[20] = 3 (DRIVE)
Part program extract
Program code
N10 G1 X100 Y50 Z50 F700
N15 Z20
N20 BRISK
N25 G1 X120 Y70
N30 Z100
N35 POS[X] = 200 FA[X] = 500
N40 BRISKA(Z)
N40 POS[Z] = 50 FA[Z] = 200
N45 DRIVEA(Z)
N50 POS[Z] = 100
N55 BRISKA(X)
5.4 Data lists
5.4.1 Machine data
5.4.1.1

NC-specific machine data

Number Identifier: $MN_
18960 POS_DYN_MODE
5.4.1.2

Channel-specific machine data

Number Identifier: $MC_
20150 GCODE_RESET_VALUES
20500 CONST_VELO_MIN_TIME
290
Value
= 0.6
= 0.4
= 0
= FALSE
Comment
; Path motion (X,Y, Z) with DRIVE
; Path motion (Z) with DRIVE
; Switchover to BRISK
; Path motion (Y, Z) with substitute
characteristic curve
; Path motion (Z) with BRISK
; Positioning motion (X) with DRIVEA
; Activate BRISKA for Z
; Positioning motion (Z) with BRISKA
; Activate DRIVEA for Z
; Positioning motion (Z) with DRIVE
; results in error message
Description
Type of positioning axis dynamic response
Description
Initial setting of the G groups
Minimum time with constant velocity
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Basic Functions