Siemens Sinumerik 801 Technical Manual page 76

Setting Up
5-14
Set spindle MDs as listed below:
MD Designation
31020 ENC_RESOL
32260 RATED_VELO
36200 AX_VELO_
LIMIT[ 0 ... 5 ]
Determine the encoder limit frequency:
Spindle speed 3000 rev/min = 50rev/s;
Encoder limit frequency 50 rev/s×1024 pulses/rev = 51200 pulses/s
Fill in weighted machine data:
MD Designation
36300 MA_ ENC_
LIMIT
For anolog spindle with gear changes:
MD Designation
35010 GEAR_STEP_
CHANGE_
ENABLE
35110 GEAR_STEP_
MAX_VELO[ 0，
1 ... 5 ]
35130 GEAR_STEP_
MAX_VELOLIMI
T[ 0，1 ... 5 ]
36200 AX_VELO_
LIMIT[ 0， 1 ... 5 ]
31050 DRIVE_AX_
RATIO_
DENUM[0，1 ...
Unit Axis
IPR Spindle
RP Spindle
M
RP Spindle
M
Unit Axis
FREQ_ Hz Spindle
Unit Axis
- Spindle
RPM Spindle
RPM Spindle
RPM Spindle
- Spindle
Input
Description
value
1024 Encoder markings
per revolution
(encoder no.)
3000 Rated motor speed
(setpoint branch)
3300 Threshold value for
velocity monitoring
Input
Description
value
55000 Encoder limit
frequency
Input value Description
1 Gear change
possible.
Spindle has
several gear
steps
Speed Maximum
[i] speed for
gear
change(gear
stage no.):
0 ... 5
Speed Maximum
[i] speed of gear
stag(gear
stage no.):
0 ... 5
Speed Threshold
[i] value for
velocity
monitoring
(control
parameter set
no.): 0 ... 5
Denominator Denominator
[i] load gearbox
(control
parameter
SINUMERIK 801
Start-Up