6 Pro
rammin
the control
6
03/2006
6.9 Axes and spindles
6-116
© Siemens AG 2006 All Rights Reserved
SINUMERIK 840D/810D Start-Up Guide (IADC) – 03/2006 Edition
MD 20090: SPIND_DEF_MASTER_SPIND (reset position for master spindle on
channel )
MD 35020: SPIND_DEFAULT_MODE (default spindle position)
The MD can be used to define a default spindle position.
The following are possible:
S Speed servo control without/with position servo control
S Positioning mode
S Axis mode
The time at which the default spindle position takes effect is defined in
MD 35030: SPIND_DEFAULT_ACT_MASK.
The following are possible:
S Power-on
S Power-on and program start
S Power-on, program start and reset
MD 35040: SPIND_ACTIVE_AFTER_RESET (own spindle RESET)
The MD defines whether it is a RESET or a program end that should stop the
spindle. If the MD has been set, a termination of the spindle functions must be
initiated explicitly via a program command or the IS “Spindle reset” (DB31, ...
DBX2.2).
MD 35010: GEAR_STEP_CHANGE_ENABLE (gear step change possible.
Spindle has several gear steps).
If this machine data is not set, the system assumes that the spindle has no gear
steps. A gear step change is therefore impossible.
In the following machine data with the field parameters “Gear step no.” and
“Control parameter set no.”, the selected gear step determines the
corresponding field index. The field with the index [0] is not used for the spindle
machine data! (See above in the “Axis data” section).
MD 31050: DRIVE_AX_RATIO_DENOM (denominator for load gearbox)
MD 31060: DRIVE_AX_RATIO_NUMERA (numerator for load gearbox)
MD 32200: POSCTRL_GAIN (K
V
factor)
MD 32810: EQUIV_SPEEDCTRL_TIME[n] (equivalent time constant of
speed control loop for
bias control)
MD 32910: DYN_MATCH_TIME[n] (time constant for dynamic
matching)
MD 32452: BACKLASH_FACTOR (weighting factor for
backlash)
MD 35110: GEAR_STEP_MAX_VELO (n
max
for gear step change)
MD 35120: GEAR_STEP_MIN_VELO (n
min
for gear step change)
MD 35130: GEAR_STEP_MAX_VELO_LIMIT (n
max
for gear step)
MD 35140: GEAR_STEP_MIN_VELO_LIMIT (n
min
for gear step)
MD 35200: GEAR_STEP_SPEEDCTRL_ACCEL(acceleration in
speed control mode)
MD 35210: GEAR_STEP_POSCTRL_ACCEL (acceleration in
position control mode)
MD 36200: AX_VELO_LIMIT (threshold for velocity monitoring)
General machine
data definitions
Parameter sets
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