Siemens SINUMERIK 840C - Manual (Page 244)

12.93 6 NC Machine Data (NC MD), NC Setting Data (NC SD)
6.4 Axis-specific MD 1 (axial data 1)
• Linear axis with SIMODRIVE 611-D
b = 0.5 x 10 -3 mm
l = 10 mm
p = 2048 pulses/rev (Motor measuring system)
v = 1 x 1
f = ? (SW EXE)
m = 0 x 5 x 10 -3 mm (desired)
m =
l
4 x p x f
1024
625
f =
l
4 x p x m
=
10 mm
4 x 2048 x 0.5 x 10 -3 mm
= 2.44
selected f = 4
m =
10 mm
4 x 2048 x 4
= 0.3 x 10 -3 mm
=
u
v
4 x p x f
l
b
4 x 2048 x 4
10
0.5 x 10 -3
=
16 x 2048
10 x 2 x 10 -3
=
=
u
v
MD 3640 = 1024
MD 3680 = 625
MD 11160 = 4
• Rotary axis with SIMODRIVE 611-D
b = 0.5 x 10 -3 degrees
l = 360 degrees
p = 2048 pulses/rev (Motor measuring system)
v = 1 x 1
f = ? (SW EXE)
m = 0 x 5 x 10 -3 degrees (desired)
m =
l
4 x p x f
8192
5625
f =
l
4 x p x m
=
360
4 x 2048 x 0.5 x 10 -3 mm
= 87.89
selected f = 128
m =
360
4 x 2048 x 128 = 0.3 x 10
-3 degrees
=
u
v
4 x p x f
l
b 4 x 2048 x 128
360
0.5 x 10 -3
=
512 x 2048
360 x 2 x 10 -3
=
=
u
v
MD 3640 = 8192
MD 3680 = 5625
MD 11160 = 128
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SINUMERIK 840C (IA)