Siemens Sinumerik 840DiE sl - Traversing Ranges

01/2007
11.3 System data
11-300
© Siemens AG 2007 All Rights Reserved
SINUMERIK 840Di sl Manual (HBIsl) -- 01/2007 Edition
11.3.6 Traversing ranges
The range of values of the traversing ranges directly depends on the selected
computational resolution (see Section 11.3.1, Page 11-292).
With the default assignment of the machine data for the computational resolution
S 1000 inc./mm
S 1000 inc./deg.
the following traversing ranges result:
Table 11-10 T raversing ranges
Traversing range in the metric system T raversing range in the inch system
Linear axes  999,999.999 [mm; deg.]  399,999.999 [inch; deg.]
Rotary axes  999,999.999 [mm; deg.]  999,999.999 [inch; deg.]
Interpolation parameters I, J, K  999,999.999 [mm; deg.]  399,999.999 [inch; deg.]
11.3.7 Positioning accuracy
The positioning accuracy depends on:
S the computational accuracy (internal increments/(mm or degrees))
S the actual--value resolution (encoder increments/(mm or degrees)).
The rougher resolution of both determines the positioning accuracy of the NCK.
The input resolution, the position control and interpolation clock do not affect the
accuracy.
Table 11-11 Positioning accuracy: Machine data
Number
Identifier Name/remarks Refer-
ence
General ($MN_ ... )
10200 INT_INCR_PER_MM Computational resolution for linear positions G2
10210 INT_INCR_PER_DEG Computational resolution for angular positions G2
Axis--specific ($MA_ ... )
31020 ENC_RESOL[n] Encoder pulses per revolution
Computational
resolution and
T raversing ranges
Computational
resolution and
traversing ranges
Machine data
11
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