Advanced commissioning
6.13 Setpoint calculation
Converter with the control units CU240D-2
Operating Instructions, 04/2018, FW V4.9 SP10, A5E34262100B AF
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Table 6- 27 Additional parameters to set the extended ramp-function generator
Parameter
Description
p1115
Ramp-function generator selection (factory setting: 1)
Select ramp-function generator:
0: Basic ramp-function generator
1: Extended ramp-function generator
p1120
Ramp-function generator, ramp-up time (factory setting: 10 s)
Accelerating time in seconds from zero speed up to the maximum speed p1082
p1121
Ramp-function generator, ramp-down time (factory setting: 10 s)
Braking time in seconds from the maximum speed down to standstill
p1130
Ramp-function generator initial rounding time (factory setting: 0 s)
Initial rounding for the extended ramp-function generator. The value applies for ramp
up and ramp down.
p1131
Ramp-function generator final rounding time (factory setting: 0 s)
Final rounding for the extended ramp-function generator. The value applies for ramp
up and ramp down.
p1134
Ramp-function rounding type (factory setting: 0)
0: Continuous smoothing
1: Discontinuous smoothing
p1135
OFF3 ramp-down time (factory setting 0 s)
The quick stop (OFF3) has its own ramp-down time.
p1136
OFF3 initial rounding time (factory setting: 0 s)
Initial rounding for OFF3 for the extended ramp-function generator.
p1137
OFF3 final rounding time (factory setting: 0 s)
Final rounding for OFF3 for the extended ramp-function generator.
You can find more information in function diagram 3070 and in the parameter list of the List
Manual.
Setting the extended ramp-function generator
Procedure
1.
Enter the highest possible speed setpoint.
2.
Switch on the motor.