Technical data

Drive functions
7.3 Function modules
Function Manual
284 Function Manual, 06/2012, 6SL3097-4AB10-0BP4
Properties of the extended ramp-function generator
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Figure 7-65 Extended ramp-function generator
● RFG ramp-up time Tup p1120[D]
● RFG ramp-down time Tdn p1121[D]
● Initial rounding IR p1130[D]
● Final rounding FR p1131[D]
● Effective ramp-up time
Tup_eff = Tup + (IR/2 + FR/2)
● Effective ramp-down time
Tdn_eff = Tdn + (IR/2 + FR/2)
● OFF3 deceleration ramp
OFF3 ramp-down time p1135[D]
OFF3 initial rounding p1136[D]
OFF3 final rounding p1137[D]
● Set ramp-function generator
– Ramp-function generator setting value p1144[C]
– Set ramp-function generator signal p1143[C]
● Select ramp-function generator rounding type p1134[D]
– p1134 = "0": continuous smoothing rounding is always active. Overshoots may occur.
If the setpoint changes, final rounding is carried out and then the direction of the new
setpoint is adopted.
– p1134 = "1": non-continuous smoothing changes immediately to the direction of the
new setpoint when the setpoint is changed.
● Configure ramp-function generator, deactivate rounding at zero crossing p1151[D]
● Freezing of the ramp-function generator using p1141 (not in jog mode r0046.31 = 0)