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Description of the Software Modules and Parameters
Parameter manual
b maXX
BM5800
Document No.: 5.16029.03
695
3
Application example: Analysis of an unknown linear system
Figure 181:
Application example: Analysis of an unknown linear system
3.10.3.1 Parameter overview
Functional block:
FbFft [104]
5000_0409_rev01.cdr
Measurement noise/disturbance
Linear system
Known
system
Unknown
system H( )
Signal 2
Signal 1
Generator
signal
Signal
generator
FFT analysis
Results:
- Spectrum signal 1, signal 2
- Amplitude phase response signal 2/signal 1
- Coherence
Number
Name
Type
Min
Max
Default Value
Unit
Factor
Rea
d
on
ly
St
o
ra
g
e
DS Su
ppo
rt
Cyc
lic W
rite
Axis
-ind
epen
den
t
104.1
Command
UDINT
0
4
0
1:1
X
X
104.2
Status
UDINT
0
41
0
1:1
X
X
104.3
Signal input 1 source
Pxxx
UDINT
0
0xFFFFFFFF 0
1:1
X
X
104.4
Signal input 2 source
Pxxx
UDINT
0
0xFFFFFFFF 0
1:1
X
X
104.5
Signal input 1 / 2 axis
UINT
0
0x11
0
1:1
X
X
104.6
Signal out target-Pxxx
UDINT
0
0xFFFFFFFF 0
ID
1:1
X
X
104.7
FFT mode
UDINT
0
0xFFFF
0
1:1
X
X
X
104.8
FFT info
DINT
0
12
0
1:1
X
104.9
FFT length
DINT
64
4096
4096
1:1
X
X
104.10
FFT windowing
UINT
0
5
1
1:1
X
X
104.11
Average number setup
DINT
0
20000
16
1:1
X
X
104.12
Signal out amplitude
FLOAT
-1e+9
1e+9
0
1:1
X
X
104.13
Signal output offset
FLOAT
-1e+9
1e+9
0.00
1:1
X
X