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Siemens SINUMERIK 840D sl Function Manual

Siemens SINUMERIK 840D sl
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Examples
4.2 Jerk
Basic logic functions: Acceleration (B2)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
55
4.2 Jerk
4.2.1 Path velocity characteristic
Key statement
An excerpt from a part program is provided below, together with the associated acceleration
characteristic, by way of an example. These are used to illustrate how the path velocity can
be adapted to take account of various events and the resulting change in jerk.
Part program (excerpt, schematic)
; Setting of path acceleration and path jerk in the event of external intervention:
N0100 $AC_PATHACC = 0.
N0200 $AC_PATHJERK = 4. * ($MA_MAX_AX_JERK[X] + $MA_MAX_AX_JERK[Y]) / 2.
; Synchronized actions for the purpose of varying the override (simulates external
intervention):
N53 ID=1 WHENEVER ($AC_TIMEC > 16) DO $AC_OVR=10
N54 ID=2 WHENEVER ($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
M30

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Siemens SINUMERIK 840D sl Specifications

General IconGeneral
Control TypeCNC
Number of AxesUp to 31
Max Number of Channels10
InterfacesEthernet, PROFIBUS, PROFINET, USB
Interpolation5-axis interpolation
Operating Temperature0°C to 45°C
Relative HumidityUp to 95% (non-condensing)
DisplayTFT color display, various sizes
Programming LanguagesDIN/ISO
Safety FeaturesSafety Integrated
PLCIntegrated PLC S7-300
Drive InterfaceSINAMICS S120
Data StorageCF card, USB
Operating SystemWindows-based

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