Siemens SINAMICS S120 - Page 77

Extended setpoint channel
3.6 Ramp-function generator
Drive functions
Function Manual, 11/2017, 6SL3097-4AB00-0BP5
77
● OFF3 ramp-down:
– OFF3 ramp-down time p1135[0...n]
● Set ramp-function generator:
– Setting value ramp-function generator p1144[0...n]
– Signal, set ramp-function generator p1143[0...n]
● Freezing of the ramp-function generator using p1141 (not in jog mode r0046.31 = 1)
Properties of the extended ramp-function generator
Figure 3-9 Extended ramp-function generator
● Ramp-up time T
up
p1120[0...n]
● Ramp-down time T
dn
p1121[0...n]
● Initial rounding IR p1130[0...n]
● Final rounding FR p1131[0...n]
● Effective ramp-up time
T
up_eff
= T
up
+ (IR/2 + FR/2)
● Effective ramp-down time
T
dn_eff
= T
dn
+ (IR/2 + FR/2)
– OFF3 ramp-down
– OFF3 ramp-down time p1135[0...n]
– OFF3 initial rounding p1136[0...n]
– OFF3 final rounding p1137[0...n]
● Set ramp-function generator
– Setting value ramp-function generator p1144[0...n]
– Signal, set ramp-function generator p1143[0...n]