Detailed Description
2.1 Spindle modes
Spindles (S1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-23
• NC/PLC IS:
DBB16 to DBB19 and DBB82 to DBB91 in DB31, ...
are of no significance if NC/PLC IS:
DB31, ... DBX60.0 (axis/no spindle)
is set to zero.
• Axis mode can be activated in all gear steps.
If the position actual-value encoder is installed on the motor (indirect measurement
system), the positioning and contouring accuracy may vary for the different gear steps.
• The gear step cannot be changed when the axis mode is active.
The spindle must be switched to control mode.
This is done with M41 ... M45 and M5, SPCOF.
• In axis mode, the machine data of the parameter set with index zero are effective in order
to carry out adaptation in this mode.
Transition to axis mode
Transition to axis mode by programming:
• The spindle with its own identifier or by M70 and by means of the M function:
MD20094 $MC_SPIND_RIGID_TAPPING_M_NR
• The relevant machine data when changing the servo parameter set are:
MD31050 $MA_DRIVE_AX_RATIO_DENOM (Measuring gear denominator)
MD31060 $MA_DRIVE_AX_RATIO_NUMERA (Numerator load gear unit)
MD32200 $MA_POSCTRL_GAIN (Servo gain factor (Kv))
MD32452 $MA_BACKLASH_FACTOR (Weighting factor for backlash)
MD32610 $MA_VELO_FFW_WEIGHT (Weighting factor for feedforward control)
MD32800 $MA_EQUIV_CURRCTRL_TIME (Equivalent time constant current control circuit
for feedforward control)
MD32810 $MA_EQUIV_SPEEDCTRL_TIME (Equivalent time constant speed control loop for
feedforward control)
MD32910 $MA_DYN_MATCH_TIME (Time constant for dynamic matching)
MD36012 $MA_STOP_LIMIT_FACTOR (Factor for exact stop coarse/fine and zero speed
control)
MD36200 $MA_AX_VELO_LIMIT (Threshold value for velocity monitoring)
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