Siemens SINUMERIK 802S Start-Up page 99

Example 2 for encoder matching:
Spindle with rotary encoder mounted on the motor (2,048 pulses), internal multiplication = 4,
2 gear stages existing:
Gear stage 1: Motor/spindle = 2.5/1
Gear stage 2: Motor/spindle = 1/1
Gear stage 1
Internal
=
resolution
Internal
resolution
One encoder increment corresponds to 17.5781 internal increments. One encoder increment
corresponds to 0.0175781 degrees (finest positioning possibility).
Gear stage 2
Internal
=
resolution
Internal
resolution
One encoder increment corresponds to 43.945 internal increments. One encoder increment
corresponds to 0.043945 degrees (finest positioning possibility).
Spindle setpoint adaptation
To adapt the spindle setpoint and its gear stage, the following axis MD and interface signals
are relevant:
Number
32010 Rapid traverse in jog mode
32020 Jog axis velocity
35110 Maximum speed for gear change (gear stage no.): 0..5
35120 Minimum speed for gear change (gear stage no.): 0..5
35130 Maximum speed of gear stage (gear stage no.): 0...5
35140 Minimum speed of gearsetp (gear stage no.): 0...5
35200 Acceleration in speed control mode [gear stage no.]: 0...5
31060 Numerator load gearbox (control parameter set no.): 0...5
31050 Denominator load gearbox (control parameter no.): 0...5
Interface signals
"Switch gear" 39032000 bit 3
"Actual gearstage" 38032000 bits 0 through 2
SINUMERIK 802S
6FC5 597–2AA00–0BP2 (01.02)
360 degrees MD31080
@
MD31020 @ 4
MD31070
360 degrees 1
@ @
=
4 @ 2,048 pulses
1
360 degrees MD31080
@
MD31020 @ 4
MD31070
360 deg. 1
@ @
=
4 @ 2.048 pulses
1
MD31050
@ @ 1,000 incr/degree
MD31060
1
@
= 17.5781
1,000 pulses/deg.
2.5
MD31050
@ @
1,000 inc./deg.
MD31060
1
@
1,000 pulses/deg. = 43.945
1
Description
Start-Up
4.7 Commissioning
4-99