Siemens SINUMERIK 840Di Manual page 318

10 NC Start-Up with HMI Advanced
10.5 Axes and spindles
Rotary axis with
motor-mounted
rotary encoder
Rotary axis with
machine-mounted
rotary encoder
Machine data
Table 10-21 Incremental measuring systems: Machine data
Number
Axis-specific ($MA_ ...)
30240 ENC_TYPE[n]
30242 ENC_IS_INDEPENDENT[n]
30300 IS_ROT_AX
31000 ENC_IS_LINEAR[n]
31020 ENC_RESOL[n]
31030 LEADSCREW_PITCH
31040 ENC_IS_DIRECT[n]
31050 DRIVE_AX_RATIO_DENOM[n]
31060 DRIVE_AX_RATIO_NUMERA[n]
31070 DRIVE_ENC_RATIO_DENOM[n]
31080 DRIVE_ENC_RATIO_NUMERA[n]
10-318
ENC_IS_DIRECT=0
n
Encoder
Meas.
gearbox
F
ENC_TYPE=1
ENC_IS_LINEAR=0
ENC_RESOL
ENC_IS_DIRECT=0
Fig. 10-9 Rotary axis with motor-mounted rotary encoder
n
Motor
n
Load
Load
gearbox
M
IS_ROT_AX=1
DRIVE_AX_RATIO_NUMERA
DRIVE_AX_RATIO_DENOM
Fig. 10-10 Rotary axis with machine-mounted rotary encoder
Identifier
Actual-value acquisition modes
1 = incremental signal generator
Encoder is independent
Rotary axis
Direct measuring system (linear scale)
Encoder lines per revolution
Leadscrew pitch
Encoder is directly mounted on the machine
Load gear denominator
Load gear numerator
Denominator of resolver gearbox
Numerator of resolver gearbox
n
Load
IS_ROT_AX=1
Load
gearbox
M L
DRIVE_AX_RATIO_NUMERA
n
Motor
DRIVE_AX_RATIO_DENOM
DRIVE_ENC_RATIO_NUMERA
=
DRIVE_ENC_RATIO_DENOM
ENC_TYPE=1
ENC_IS_LINEAR=0
ENC_IS_DIRECT=1
ENC_RESOL
ENC_IS_DIRECT=1
n
Encoder
Meas.
gearbox
L F
DRIVE_ENC_RATIO_NUMERA
DRIVE_ENC_RATIO_DENOM
Motor revs
=
Encoder revs
Name/remarks
 Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
06.03
Rotary table
Motor revs
=
Encoder revs
Motor revs
Encoder revs
Encoder revs
=
Encoder revs
Ref.
R2