Efficient-networks Siemens Sinamics S120 User Manual Page 63

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Extended setpoint channel
2.9 Ramp-function generator
Drive Functions
Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4
63
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Figure 2-11 Ramp function generator tracking
Without ramp function generator tracking
p1145 = 0
Drive accelerates until t2 although setpoint < actual value
With ramp function generator tracking
At p1145 > 1 (values between 0 and 1 are not applicable), ramp function generator
tracking is activated when the torque limit is approached. The ramp function generator
output thereby only exceeds the actual speed value by a deviation value that can be
defined in p1145.
t1 and t2 almost identical
Function diagrams (see SINAMICS S List Manual)
1550 Setpoint channel
3060 Simple ramp function generator
3070 Extended ramp function generator
3080 Ramp function generator selection, status word, tracking
Signal overview (see SINAMICS S List Manual)
Control signal STW1.2 OFF3
Control signal STW1.4 Enable ramp function generator
Control signal STW1.5 Start/stop ramp function generator
Control signal STW1.6 Enable setpoint
Control signal STW2.1 Bypass ramp function generator
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