Parameterization Of Incremental Measuring Systems - Siemens SINUMERIK FM-NC Installation And Startup Manual

6 Assigning Parameters to the Control and the PLC Program
6.9 Axes and spindles
6.9.5

Parameterization of incremental measuring systems

Rotary encoders
Table 6-11 Machine data for matching rotary encoders
Machine data
30300: IS_ROT_AX
31000: ENC_IS_LINEAR
31040: ENC_IS_DIRECT
31020: ENC_RESOL
31030: LEADSCREW_PITCH
31080: DRIVE_ENC_RATIO_NUMERA
31070: DRIVE_ENC_RATIO_DENOM
31060: DRIVE_AX_RATIO_NUMERA
31050: DRIVE_AX_RATIO_DENOM
Linear axis with
motor-mounted
rotary encoder
6-118
The following table lists all the data that you need to enter in order to match a
rotary encoder.
Encoder on
motor
0
0
0
Marks/rev.
mm/rev.
Motor rev.
Encoder rev.
Motor rev.
Spindle rev.
ENC_IS_LINEAR_=0
n
Encoder
ENC_IS_DIRECT=0
Measuring
gearing
G M
n Motor
ENC_RESOL
DRIVE_ENC_RATIO_NUMERA
DRIVE_ENC_RATIO_DENOM
Fig. 6-9 Linear axis with motor-mounted rotary encoder
SINUMERIK 840D Installation and Start-Up Guide (IAD) – 04.00 Edition
Linear axis
Encoder on Encoder on
machine motor
0 1
0 0
1 0
Marks/rev. Marks/rev.
mm/rev. –
Load rev. Motor rev.
Encoder rev. Encoder rev.
Motor rev. Motor rev.
Spindle rev. Load rev.
IS_ROT_AX=0
Load
gearing
Table
Í Í Í Í Í
n Spindle
LEADSCREW_PITCH
DRIVE_AX_RATIO_NUMERA
DRIVE_AX_RATIO_DENOM
No. of motor revolutions
+
No. of encoder revolutions
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03.96
Rotary axis
Encoder on
machine
1
0
1
Marks/rev.
–
Load rev.
Encoder rev.
Motor rev.
Load rev.
Leadscrew
No. of motor rev.
=
No. of spindle rev.