Parameter
Parameter manual b maXX
®
1000
Document no. 5.07004.03
117
of 208
4
P1185
Settings for ramp function generator.
With auto acceleration / deceleration it is possible to reduce vibration and shocks during
starting/stopping the load.
During auto acceleration the torque is automatically measured and the drive will acceler-
ate to the set frequency with the fastest acceleration time and the smoothest starting cur-
rent.
During auto deceleration, regenerative energy is measured and the motor is smoothly
stopped with the fastest deceleration time.
But when this parameter is set to 04, the actual accel/decel time will be equal to or more
than parameter ZP1172–, ZP1173–, ZP1180–, ZP1185–.
Auto acceleration/deceleration makes the complicated processes of tuning unnecessary.
It makes operation efficient and saves energy by acceleration without stall and decelera-
tion without brake resistor.
In applications with brake resistor or brake unit, Auto deceleration shall not be used.
P1185
RFG Auto Hochlauf/Rücklauf 0 to 4
EE RFG Auto acceleration/deceleration 0
STOP BM_u_AutoAccelDecel 1:1
Value Meaning
0 Linear acceleration / deceleration
1 Auto acceleration, linear deceleration
2 Linear acceleration, auto deceleration
3 Auto acceleration / deceleration (set by load)
4 Auto acceleration / deceleration (set by accel/decel time setting)
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