Velocities, Setpoint/Actual Value Systems, Closed-Loop Control (G2)
7.3 Setpoint/actual-value system
Turning, Milling, Nibbling
130 Function Manual, 11/2012, 6FC5397-1CP10-5BA0
Linear axis Rotary axis Spindle Machine data
Encoder on
motor
Encoder on
motor
Encoder on
motor
Encoder on
machine
Without
measuring
system
MD31050
DRIVE_AX_RATIO_DENOM[n]
(load gearbox denominator)
Leadscrew
revs
load revs load revs See
note *)
-
"-" Does not apply to this combination.
The coding of the machine data MD... DRIVE_AX_... index [n] is: [closed-loop control parameter set no.]: 0-5
Note
*) These MD are not required for encoder matching (path evaluation). However, they must
be entered correctly for the setpoint calculation! Otherwise the required servo gain factor will
not be set.
Variants of actual-value acquisition
The associated machine data for different variants of actual-value acquisition is described
below.
Linear axis with rotary encoder on motor
0'1&B,6B',5(&7
0'
(1&B5(62/
0',6B527B$;
%DOOVFUHZ
6SLQGOH
Q
/RDG
JHDUER[
0RWRU
Q
(QFRGHU
Q
/($'6&5(:B3,7&+
0''5,9(B$;B5$7,2B'(120
0''5,9(B$;B5$7,2B180(5$
1RRIVSLQGOHUHYV
1RRIPRWRUUHYV
*
7DEOH
0
Figure 7-7 Linear axis with rotary encoder on motor
Rotary axis with rotary encoder on motor
0'
(1&B5(62/
0',6B527B$;
0'1&B,6B',5(&7
/RDG
Q
0RWRU
Q
/RDG
JHDUER[
5RWDU\
WDEOH
(QFRGHU
Q
*
/
0''5,9(B$;B5$7,2B'(120
0''5,9(B$;B5$7,2B180(5$
1RRIORDGUHYV
1RRIPRWRUUHYV
0
Figure 7-8 Rotary axis with rotary encoder on motor
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