Speed Limitation; Ramp-Function Generator - Siemens Sinamics G110M Operating Instructions Manual

6.15.5

Speed limitation

The maximum speed limits the speed setpoint range for both directions of rotation.
The converter generates a message (fault or alarm) when the maximum speed is exceeded.
If you must limit the speed depending on the direction of rotation, then you can define speed
limits for each direction.
Table 6- 33
Parameter
p1082
p1083
p1085
p1086
p1088
6.15.6

Ramp-function generator

The ramp-function generator in the setpoint channel limits the rate change of the speed
setpoint (acceleration). A reduced acceleration reduces the accelerating torque of the motor.
In this case, the motor reduces the load on the mechanical system of the driven machine.
You can select between two different ramp-function generator types:
● Extended ramp-function generator
The expanded ramp-function generator limits not only the acceleration but also the
change in acceleration (jerk) by rounding the setpoint. In this case, the torque does not
rise suddenly in the motor.
● Basic ramp-function generator
The basic ramp-function generator limits the acceleration, however not the rate the
acceleration changes (jerk).
Distributed converter for SIMOGEAR geared motors
Operating Instructions, 09/2017, FW V4.7.9, A5E31298649B AH
Parameters for the speed limitation
Description
Maximum speed (factory setting: 1500 rpm)
Speed limit, positive direction of rotation (factory setting: 210,000 rpm)
CI: Speed limit, positive direction of rotation (factory setting: 1083)
Speed limit, negative direction of rotation (factory setting: -210,000 rpm)
CI: Speed limit, negative direction of rotation (factory setting: 1086)
Advanced commissioning
6.15 Setpoint calculation
223