
G4 Multi Channel Force Instrument
6-9
HS WF2 module filter
Update rate
(fs)
- 3 dB damping
frequency
Damping at
frequencies
≥
fs / 2
-40
°
phase shift
frequency
800 Hz ++
87 Hz
≥
20 dB
21 Hz
800 Hz
48 Hz
≥
90 dB
10 Hz
400 Hz
34 Hz
≥
90 dB
5.5 Hz
200 Hz
19 Hz
≥
90 dB
2.9 Hz
100 Hz
10 Hz
≥
90 dB
1.5 Hz
50 Hz
5.2 Hz
≥
90 dB
0.8 Hz
25 Hz
2.6 Hz
≥
90 dB
0.4 Hz
Note: fs is the update rate.
WF IN / WF IN2 Filter rise time
HS WF2 Filter rise time
Update rate
Update rate
300 Hz ++
0.020 s
800 Hz ++
0.010 s
300 Hz
0.040 s
800 Hz
0.015 s
150 Hz
0.080 s
400 Hz
0.030 s
75 Hz
0.16 s
200 Hz
0.060 s
37 Hz
0.32 s
100 Hz
0.12 s
19 Hz
0.64 s
50 Hz
0.24 s
9.3 Hz
1.3 s
25 Hz
0.48 s
Rise time is defined as the time from an ideal step input to output reaches 99 % of the
input step. Note that in reality no input changes will be an ideal step. Input signals are
affected by mechanical time constants and how the force is applied to the transducer.
Analog output filter
Update rate
- 3 dB damping
frequency
-40
°
phase shift
frequency
Rise time
(0 – 99 %)
400 Hz
400 Hz
130 Hz
0.0025 s
200 Hz
200 Hz
63 Hz
0.005 s
100 Hz
100 Hz
31 Hz
0.01 s
50 Hz
50 Hz
16 Hz
0.02 s
25 Hz
25 Hz
8.1 Hz
0.04 s
12 Hz
12 Hz
4.1 Hz
0.08 s
6 Hz
6 Hz
2.0 Hz
0.16 s
3 Hz
3 Hz
1.0 Hz
0.32 s
1.6 Hz
1.6 Hz
0.5 Hz
0.64 s
The table above, describing the analog output filter, does not include the measuring
channel update rate, filter characteristics etc.
Содержание G4-DT
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