Siemens SINUMERIK 840C - Manual (Page 365)

6 NC Machine Data (NC MD), NC Setting Data (NC SD) 12.93
6.7.1 Axis-specific MD bits 2 (axial bits 2)
6.7.1 Axis-specific MD bits 2 (axial bits 2)
7 6 5 4 3 2 1 0
Bit No.
NC MD
1800*
Position control resolution Display resolution
Code table for resolution
Metric
(Degrees)
Inches
(Degrees)
0 1 0 0 = Standard machine data
NC MD 5002
NC MD 1800*
NC MD 1800*
Bit 7 Bit 6 Bit 5 Bit 4 Input resolution
Bit 7 Bit 6 Bit 5 Bit 4 Display resolution
Bit 3 Bit 2 Bit 1 Bit 0
Position control
resolution
0 0 0 0 –––––––
10 -1 [mm]
[degrees]
0.5 x 10 -1 [degr.]
1 0 0 0
10 -2 [mm]
[degrees] 10 -2 [mm]
[degrees]
0.5 x 10 -2 [degr.]
0 1 0 0
10 -3 [mm]
[degrees] 10-3 [mm]
[degrees]
0.5 x 10 -3 [degr.]
1 1 0 0 ––––––– ––––––– 2 x 10 -4 [degr.]
0 0 1 0
10 -4 [mm]
[degrees] 10 -4 [mm]
[degrees]
0.5 x 10 -4 [degr.]
1 0 1 0
10 -5 [mm]
[degrees] 10 -5 [mm]
[degrees]
0.5 x 10 -5 [degr.]
0 1 1 0 ––––––– ––––––– –––––––
1 1 1 0 ––––––– ––––––– –––––––
0 0 0 1 ––––––– 10 -1 [degrees] 0.5 x 10 -1 [degr.]
1 0 0 1 ––––––– 10 -2 [degrees] 0.5 x 10 -2 [degr.]
0 1 0 1
10 -3 [inches]
[degrees] 10 -3 [inches]
[degrees] 0.5 x 10 -3 [inches]
[degr.]
1 1 0 1
10 -4 [inches]
[degrees] 10 -4 [inches]
[degrees] 0.5 x 10 -4 [inches]
[degr.]
0 0 1 1 ––––––– ––––––– 2 x 10 -5 [inches]
1 0 1 1
10 -5 [inches]
[degrees] 10 -5 [inches]
[degrees] 0.5 x 10 - 5 [inches]
[degr.]
0 1 1 1
10 -6 [zoll]
[grad]
––––––– –––––––
1 1 1 1 ––––––– ––––––– –––––––
The display resolution determines the path of travel in "incremental feed" mode.
Input resolution see NC MD 5002.
For possible combinations, see Section entitled ”Axis (Analog) and Spindle Installation”.
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SINUMERIK 840C (IA)