Parameter Manual
Operating Instructions, 08/2013, 6FC5397-8EP40-0BA0
273
Machine data
2.4 Axis-specific machine data
Description: Basic setting of the acceleration response of the axis (positioning, oscilla-
tion, JOG, path motions):
FALSE: No acceleration reduction
TRUE: Acceleration reduction active
MD is active only when MD32420 $MA_JOG_AND_POS_JERK_ENABLE = FALSE.
The settings in MD35220 $MA_ACCEL_REDUCTION_SPEED_POINT and MD35230
$MA_ACCEL_REDUCTION_FACTOR are always active for spindles (in spindle mode).
Remark:
This MD also influences the path motion with SOFT, BRISK, TRAFO
Description: Shape of acceleration reduction characteristic with DRIVE velocity control
0: Constant
1: Hyperbolic
2: Linear
Description: When positioning a spindle that is not in position control mode from a high
speed, the position control is not activated until the spindle has reached or
falls below the velocity defined in MD35300 $MA_SPIND_POSCTRL_VELO.
The speed can be changed with FA[Sn] from the part program. Please refer to
the documentation:
/FB1/ Function Manual, Basic Functions; Spindles (S1), section "Spindle mode
'positioning operation" for a description of the spindle behavior under var-
ious supplementary conditions (positioning from rotation, positioning from
standstill).
Note:
The active speed from MD35300 $MA_SPIND_POSCTRL_VELO cannot exceed the max.
speed set in MD35135 $MA_GEAR_STEP_PC_MAX_VELO_LIMIT. If MD35135
$MA_GEAR_STEP_PC_MAX_VELO_LIMIT = 0, the value is limited to 90% of MD35130
$MA_GEAR_STEP_MAX_VELO_LIMIT.
Related to:
MD35350 $MA_SPIND_POSITIONING_DIR (direction of rotation during positioning
from standstill, if no synchronization is available)
MD35100 $MA_SPIND_VELO_LIMIT (chuck speed)
35240 ACCEL_TYPE_DRIVE A04 B1,B2
- Acceleration curve DRIVE for axes ON/OFF BOOLEAN Reset
CTEQ
-- FALSE0 - 1/1
35242 ACCEL_REDUCTION_TYPE A04 B1,B2
- Type of acceleration reduction BYTE Reset
CTEQ
-- 1 0 2 1/1
35300 SPIND_POSCTRL_VELO A06, A04 P3 pl,P3 sl,R1,S1
rev/min Position control activation speed DOUBLE NEW CONF
CTEQ
- 6 500.0, 500.0, 500.0,
500.0, 500.0, 500.0
0.0 - 2/2
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