Siemens SINAMICS S120 Function Manual page 75

Properties of the extended ramp-function generator
Figure 3-9
● Ramp-up time T
● Ramp-down time T
● Initial rounding IR p1130[0...n]
● Final rounding FR p1131[0...n]
● Effective ramp-up time
● Effective ramp-down time
● Set ramp-function generator
● Select ramp-function generator rounding type p1134[0...n]
● Ramp-function generator configuration, deactivate rounding at zero point p1151[0...n]
● Freezing of the ramp-function generator using p1141 (not in jog mode r0046.31 = 1)
Drive functions
Function Manual, (FH1), 04/2014, 6SL3097-4AB00-0BP4
Extended ramp-function generator
p1120[0...n]
up
p1121[0...n]
dn
T = T + (IR/2 + FR/2)
up_eff up
T = T + (IR/2 + FR/2)
dn_eff dn
– OFF3 ramp-down
– OFF3 ramp-down time p1135[0...n]
– OFF3 initial rounding p1136[0...n]
– OFF3 final rounding p1137[0...n]
– Setting value ramp-function generator p1144[0...n]
– Signal, set ramp-function generator p1143[0...n]
– p1134 = "0": continuous smoothing; rounding is always active. Overshoots can occur.
If the setpoint changes, final rounding is carried out and then the direction of the new
setpoint is adopted.
– p1134 = "1": discontinuous smoothing; for a setpoint change, the change is
immediately made to the direction of the new setpoint.
Extended setpoint channel
3.9 Ramp-function generator
75