Siemens SINUMERIK 840D Description Of Functions page 82

3 Start-Up
3.11 Start-up functions
3-82
SINUMERIK 840D/SIMODRIVE 611 digital Descr. of Functions HLA Module (FBHLA) – 04.00 Edition
20.000
Ampl.
[dB]
–60.000
0.100
180.000
Phase
[degrees]
–180.000
0.100
Fig. 3-30 Oscillogram showing reference frequency response of velocity control loop
Amplitude: 20 mm/min
Offset: 100 mm/min
0.000
Fig. 3-31 Timing of setpoint step change in velocity control loop
Step change: 0 → 100 mm/min without closed-loop force control, real friction
conditions
Trace 1: Velocity setpoint
Trace 2: Actual velocity value
log [Hz]
log [Hz]
t [ms] 50.000
 Siemens AG 2000. All rights reserved
02.99
200.000
200.000