06.03
10.5 Axes and spindles
10-321
Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
M
IS_ROT_AX=1
DRIVE_ENC_RATIO_NUMERA
DRIVE_ENC_RATIO_DENOM
DRIVE_AX_RATIO_NUMERA
DRIVE_AX_RATIO_DENOM
L
F
n
Encoder
Rotary table
Load
gearbox
n
Motor
Meas.
gearbox
n
Load
ENC_IS_LINEAR=0
ENC_IS_DIRECT=0
Encoder revs
Motor revs
=
Encoder revs
Motor revs
=
ENC_TYPE=4
ENC_ABS_TURNS_MODULO=4096
ENC_REFP_MODE=2
Fig. 10-13 Rotary axis with motor-mounted rotary absolute encoder
Table 10-23
Incremental measuring systems: Machine data
Number
Identifier
Name/remarks
Ref.
Axis-specific ($MA_ ...)
30240
ENC_TYPE[n]
Actual-value acquisition modes
4 = absolute encoder with EnDat interface
30242
ENC_IS_INDEPENDENT[n]
Encoder is independent
30300
IS_ROT_AX
Rotary axis
R2
31000
ENC_IS_LINEAR[n]
Direct measuring system (linear scale)
31030
LEADSCREW_PITCH
Leadscrew pitch
31040
ENC_IS_DIRECT[n]
Encoder is directly mounted on the machine
0=motor-mounted encoder
31050
DRIVE_AX_RATIO_DENOM[n]
Load gear denominator
31060
DRIVE_AX_RATIO_NUMERA[n]
Load gear numerator
31070
DRIVE_ENC_RATIO_DENOM[n]
Resolver gearbox denominator
31080
DRIVE_ENC_RATIO_NUMERA[n]
Resolver gearbox numerator
34200
ENC_REFP_MODE[n]
Referencing mode
2=absolute encoder
34210
ENC_REFP_STATE[n]
State of absolute encoder
0 = encoder not adjusted (default setting)
1 = encoder adjustment enabled; encoder not yet
adjusted
2 = encoder adjusted
34200
ENC_ABS_TURNS_MODULO[n]
Range of absolute encoder with rotary encoders
R2
Rotary axis with
motor-mounted
rotary absolute
encoder
Machine data
10 NC Start-Up with HMI Advanced