Siemens Sinumerik 840D Series - Page 69

10.03
3.9 Fine adjustment and optimization
3-69
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SINUMERIK 840D/SIMODRIVE 611 digital, HLA Module (FBHLA) - 10.03 Edition
2. f
valve
[ f
cylinder
(f

)
Valve:
fv=100 Hz; Dv=0.8
Drive:
fa=100 Hz; Da=0.1
Amplitude log frequency curve
log f
log f
10
1
10
2
10
3
10
1
10
1
10
2
10
3
10
0
10
-1
10
-2
10
-3
10
-4
10
-5
-90
-180
-270
Phase angle log value
Phase frequency curve
Fig. 3-23 Frequency response of controlled system (f
valve
[ f
cylinder
)
3 Startup
02.99