Siemens SINUMERIK 840Di Function Manual page 197

Data Lists
5.1 Machine data
5.1
5.1.1 General machine data
Number Identifier: $MN_
10110 PLC_CYCLE_TIME_AVERAGE
18360 MM_EXT_PROG_BUFFER_SIZE
5.1.2 Channel-specific machine data
Number Identifier: $MC_
20170 COMPRESS_BLOCK_PATH_LIMIT
20400 LOOKAH_USE_VELO_NEXT_BLOCK
20430 LOOKAH_NUM_OVR_POINTS
20440 LOOKAH_OVR_POINTS
20450 LOOKAH_RELIEVE_BLOCK_CYCLE
20460 LOOKAH_SMOOTH_FACTOR
20462 LOOKAH_SMOOTH_WITH_FEED
20465 ADAPT_PATH_DYNAMIC
20480 SMOOTHING_MODE
20490 IGNORE_OVL_FACTOR_FOR_ADIS
20550 EXACT_POS_MODE
20602 CURV_EFFECT_ON_PATH_ACCEL
20603 CURV_EFFECT_ON_PATH_JERK
28060 MM_IPO_BUFFER_SIZE
28070 MM_NUM_BLOCKS_IN_PREP
Continuous-Path Mode, Exact Stop, LookAhead (B1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Description
Maximum PLC acknowledgment time
FIFO buffer size for processing from external
Description
Maximum traversing length of NC block for
compression
Look Ahead for constant acceleration velocity control
Number of override switch points for Look Ahead
Override switch points for LookAhead
Relief factor for the block cycle time
Smoothing factor for LookAhead
Smoothing takes feedrate into account
Adaptation of path dynamic response
Rounding behavior with G642, G643, G644
G641/G642 irrespective of overload factor
Exact stop conditions with G0/G1
Influence of path curvature on path dynamic response
Influence of path curvature on path jerk
Number of NC blocks in IPO buffer (DRAM)
Number of NC blocks for block preparation (DRAM)
5
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