Siemens SINAMICS G120 Operating Instructions Manual page 240

Setting functions
8.4 Setpoint calculation
Basic ramp-function generator
When compared to the extended ramp-
function generator, the basic ramp-
function generator has no rounding
times.
Table 8- 20
Parameter
p1115 = 0
p1120
p1121
p1135
Changing the ramp-up and ramp-down times in operation
Using a scaling factor, the
ramp-up and ramp-down times
of the ramp-function generator
can be changed in operation.
You have the following options
of entering a scaling value:
• Using an analog input
• Using a fieldbus
240
Parameters for setting the ramp-function generator
Description
Ramp-function generator selection (factory setting: 1)
Select ramp-function generator:
0: Basic ramp-function generator
1: Extended ramp-function generator
Ramp-function generator, ramp-up time (factory setting: 10 s)
Accelerating time in seconds from zero speed up to the maximum speed p1082
Ramp-function generator, ramp-down time (factory setting: 10 s)
Braking time in seconds from the maximum speed down to standstill
OFF3 ramp-down time (factory setting: 0 s)
The quick stop (OFF3) has its own ramp-down time.
Converter with the CU250S-2 Control Unit (vector)
Operating Instructions, 06/2013, FW V4.6, A5E31759476B AB