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06.03

10.5.12 Indexing axes

Indexing axis
Indexing position
tables
Machine data
Table 10-31
Indexing axes: Machine data
Number
Identifier
General ($MN_ ...)
10260
CONVERT_SCALING_SYSTEM
10270
POS_TAB_SCALING_SYSTEM
10900
INDEX_AX_LENGTH_POS_T AB_1
10910
INDEX_AX_POS_TAB_1[n]
10920
INDEX_AX_LENGTH_POS_T AB_2
10930
INDEX_AX_POS_TAB_2[n]
Axis/spindle-specific ($MA_ ...)
30300
IS_ROT_AX
30310
ROT_IS_MODULO
30320
DISPLAY_IS_MODULO
30500
INDEX_AX_ASSIGN_POS_T AB
30501
INDEX_AX_NUMERATOR
 Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
Indexing axis are rotary or linear axes that may only be traversed within their
traversing range to defined positions, the indexing positions.
Traversing to indexing positions using the parts program or manually is only
effective if the corresponding machine axis has been successfully referenced.
The indexing positions are stored in tables.
The machine data
S
MD 30500: INDEX_AX_ASSIGN_POS_TAB[n] (axis is indexing axis)
assigns the machine axis the relevant table of indexing positions and also
defines the machine axis as an indexing axis.
The indexing positions are stored in one of 2 possible tables.
S
MD10900: INDEX_AX_LENGTH_POS_TAB_1 (number of positions of in-
dexing table 1)
S
MD10910: INDEX_AX_POS_TAB_1[n] (indexing position table 1)
S
MD10920: INDEX_AX_LENGTH_POS_TAB_2 (number of positions of in-
dexing table 2)
S
MD10930: INDEX_AX_POS_TAB_2[n] (indexing position table 2)
Basic system switch active
Unit system of position tables
Number of indexing positions used in Table 1
Indexing position table 1
Number of indexing positions used in Table 2
Indexing position table 2
Rotary axis
Modulo conversion for rotary axis
Position display "Modulo 360
Axis is indexing axis
Counter for indexing axes with equidistant positions
10 NC Start-Up with HMI Advanced
10.5 Axes and spindles
Name
°
"
Ref.
G2
R2
R2
R2
10-329

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