B2: Acceleration
4.2 Functions
Basic Functions
252 Function Manual, 09/2011, 6FC5397-0BP40-2BA0
Figure 4-12 Deceleration with LookAhead
4.2.20.4 Parameterization
The knee-shaped acceleration characteristics can be activated specific to the machine axis via the machine data:
MD35240 $MA_ACCEL_TYPE_DRIVE = TRUE
The knee-shaped acceleration characteristic curve is parameterized for specific axes using machine data:
MD32000 $MA_MAX_AX_VELO (maximum axis velocity)
MD35220 $MA_ACCEL_REDUCTION_SPEED_POINT
(speed for reduced acceleration)
MD35230 $MA_ACCEL_REDUCTION_FACTOR (reduced acceleration)
MD32300 $MA_MAX_AX_ACCEL (Maximum axis acceleration)
MD35242 $MA_ACCEL_REDUCTION_TYPE
(type of acceleration reduction: 0 = constant, 1 = hyperbolic, 2 = linear)
1: Brake application point
2: Torque decrease zone
3: Maximum torque zone
v
red
: Creep velocity
v
max
: Maximum velocity
Nxy: Part program block with block number Nxy
Y
UHG
Y
PD[
111111
Y
W
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