Functions
6.6 Setpoint preparation
SINAMICS G110D
Operating Instructions, 07/2016, FW V3.63, A5E36768472B AB
117
Acceleration can be "smoothed" further by means of rounding. The jerk occurring when the
motor starts and when it begins to decelerate can be reduced independently of each other.
Rounding can be used to lengthen the motor acceleration/deceleration times. The ramp-
up/down time parameterized in the ramp-function generator is exceeded.
Rounding does not affect the ramp-down time in the event of a quick stop (OFF3).
Table 6- 28 Rounding parameters
Initial rounding time for ramp up (in seconds)
P1131 = …
Final rounding time for ramp up
(in seconds)
Initial rounding time for ramp down (in seconds)
Final rounding time for ramp down (in seconds)
For more information about this function, see the List Manual (function diagram 5300 and the
parameter list).
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