Siemens SINUMERIK 840DE SL - Page 419

Detailed Description
2.3 Setpoint/actual-value system
Velocities, Setpoint/Actual-Value Systems, Closed-Loop Control (G2)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-45
⇒ MD30300 $MA_IS_ROT_AX = 0
MD31000 $MA_ENC_IS_LINEAR[0] = 0
MD31040 $MA_ENC_IS_DIRECT[0] = 0
MD31020 $MA_ENC_RESOL[0] = 2048
MD31030 $MA_LEADSCREW_PITCH = 10
MD31080 $MA_DRIVE_ENC_RATIO_NUMERA[0] = 1
MD31070 $MA_DRIVE_ENC_RATIO_DENOM[0] = 1
MD31060 $MA_DRIVE_AX_RATIO_NUMERA[0] = 5
MD31050 $MA_DRIVE_AX_RATIO_DENOM[0] = 1
MD10200 $MN_INT_INCR_PER_MM = 10000
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Result:
1 encoder increment corresponds to 0.004768 increments of the internal unit. In practice, the
available encoder resolution should not be resolved more accurately than the internal
computational resolution.
Linear axis with rotary encoder on the machine
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Fig. 2-8 Linear axis with rotary encoder on the machine