Axis/Spindlespecific Machine Data - Siemens SINUMERIK 840D sl Function Manual

B1: Continuous-path mode, Exact stop, Look Ahead
4.10 Data lists
Number Identifier: $MC_
20400 LOOKAH_USE_VELO_NEXT_BLOCK
20430 LOOKAH_NUM_OVR_POINTS
20440 LOOKAH_OVR_POINTS
20443 LOOKAH_FFORM
20450 LOOKAH_RELIEVE_BLOCK_CYCLE
20460 LOOKAH_SMOOTH_FACTOR
20462 LOOKAH_SMOOTH_WITH_FEED
20465 ADAPT_PATH_DYNAMIC
20480 SMOOTHING_MODE
20482 COMPRESSOR_MODE
20488 SPLINE_MODE
20490 IGNORE_OVL_FACTOR_FOR_ADIS
20550 EXACT_POS_MODE
20560 G0_TOLERANCE_FACTOR
20600 MAX_PATH_JERK
20602 CURV_EFFECT_ON_PATH_ACCEL
20603 CURV_EFFECT_ON_PATH_JERK
20606 PREPDYN_SMOOTHING_ON
28060 MM_IPO_BUFFER_SIZE
28070 MM_NUM_BLOCKS_IN_PREP
28520 MM_MAX_AXISPOLY_PER_BLOCK
28530 MM_PATH_VELO_SEGMENTS
28533 MM_LOOKAH_FFORM_UNITS
28540 MM_ARCLENGTH_SEGMENTS
28610 MM_PREPDYN_BLOCKS
4.10.1.3

Axis/spindlespecific machine data

Number Identifier: $MA_
32310 MAX_ACCEL_OVL_FACTOR
32431 MAX_AX_JERK
32432 PATH_TRANS_JERK_LIM
32433 SOFT_ACCEL_FACTOR
32434 G00_ACCEL_FACTOR
32435 G00_JERK_FACTOR
32440 LOOKAH_FREQUENCY
33100 COMPRESS_POS_TOL
33120 PATH_TRANS_POS_TOL
240
Description
LookAhead following block velocity
Number of override switch points for LookAhead
Override switch points for LookAhead
Activating the extended LookAhead
Relief factor for the block cycle time
Smoothing factor for LookAhead
Smoothing with programmed feed
Adaptation of path dynamic response
Rounding behavior with G64x
Compressor mode
Setting for spline interpolation
G641/G642 independent of the overload factor
Exact-stop conditions with G0/G1
G0 tolerance factor
Pathrelated maximum jerk
Influence of path curvature on path dynamic response
Influence of path curvature on path jerk
Activation of the curvature smoothing
Number of NC blocks in IPO buffer (DRAM)
Number of NC blocks for block preparation (DRAM)
Maximum number of axis polynomials per block
Number of storage elements for limiting path velocity
in block
Storage for the extended LookAhead
Number of storage elements for arc length function rep‐
resentation per block
Number of blocks for velocity preparation
Description
Overload factor for axial velocity jumps
Maximum axial jerk when traversing along the path
Maximum axial jerk at the block transition in continuous-
path mode
Scaling of acceleration limitation for SOFT
Scaling of acceleration limitation for G00
Scaling of axial jerk limitation for G00
Smoothing limit frequency for LookAhead
Maximum deviation with compensation
Maximum deviation when rounding with G645
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Basic Functions