The ramp-up and ramp-down times of the motor are increased by the roundings:
• Eective ramp-up time = p1120 + 0.5 × (p1130 + p1131).
• Eective ramp-down time = p1121 + 0.5 × (p1130 + p1131).
Parameters
The following list contains the parameters of the "Extended ramp-function generator" function.
Number Name Unit
p1115 Ramp-function generator selection
p1120[0...n] Ramp-function generator ramp-up time [s]
p1121[0...n] Ramp-function generator ramp-down time [s]
p1123[0...n] Ramp-function generator minimum ramp-up time [s]
p1127[0...n] Ramp-function generator minimum ramp-down time [s]
p1130[0...n] Ramp-function generator initial rounding-o time [s]
p1131[0...n] Ramp-function generator nal rounding-o time [s]
p1135[0...n] OFF3 ramp-down time [s]
p1136[0...n] OFF3 initial rounding-o time [s]
p1137[0...n] OFF3 nal rounding-o time [s]
c1138[0...n] Ramp-function generator ramp-up time scaling
c1139[0...n] Ramp-function generator ramp-down time scaling
14.9.11.2 Basic ramp-function generator
Overview
The ramp-function generator reduces the load on the mechanical system of the driven machine.
The basic ramp-function generator limits the acceleration and deceleration of the motor
using linear ramps.
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Figure14-71 Setpoint processing in the converter
Functions
14.9Setpoint channel
SINAMICS G220 converter
Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB 457