Siemens SINUMERIK 802C base line Technical Manual page 76

Start-Up
Machine data default settings for analog motor axes
4-38
Gear stage 1: Motor/spindle = 2.5/1
Gear stage 2: Motor/spindle = 1/1
Gear stage 1
Internal resolution = ------------------------- x -------------------------- x ------------------- x 1000incr/deg
Internal resolution = ----------------- x ------------- x ------------ x 1000pulses/deg = 17.5781
4 x 2048
One encoder increment corresponds to 17.5781 internal increments. One
encoder increment corresponds to 0.0175781 degrees (minimum positioning
step).
Gear stage 2
Internal resolution = ------------------------- x -------------------------- x ------------------- x 1000incr/deg
Internal resolution = ----------------- x ------------- x ------------ x 1000pulses/deg = 43.945
4 x 2048
One encoder increment corresponds to 43.945 internal increments. One
encoder increment corresponds to 0.043945 degrees (minimum positioning
step).
The machine data list below contains the default machine data with their
recommended settings with the analog motor axes connected.
After they have been set, the axis are ready to be traversed, as far as the
machine data are concerned, and only fine settings have to be done.
Number
30130 Output type of setpoint
(setpoint branch): 0
30240 Type of actual value acquisition (actual
position value) (encoder no.)
0: Simulation
2: Encoder external
31020 Encoder markings per revolution
(encoder no.)
31030 Pitch of leadscrew
31050 Denominator load gearbox
(control parameter no.): 0...5
31060 Nominator load gearbox
(control parameter no.) 0...5
31070 Denominator resolver gearbox
(control parameter no.): 0...5
360 degrees MD 31080
MD 31020 x 4 MD 31070
360 1
1
360 degrees MD 31080
MD 31020 x 4 MD 31070
360 1
1
Description
MD 31050
MD 31060
1
2.5
MD 31050
MD 31060
1
1
Default Setting or
Value
0 1
0 2
2048 Steps
encoder
revolution
10 Leadscrew
pitch
1 Load
transmission
ratios
1 Load
transmission
ratios
(MD31080:MD
31050)
1 Load
transmission
ratios
SINUMERIK 802C base line
Remark
per
gear
gear
gear
Start-Up