All used filters are permanently active.
Filter sections
RC high-pass
The cutoff frequency depends on the mode:
|
Mode |
Cutoff frequency |
|---|---|
|
IEPE 0.1Hz |
0.1 Hz |
|
IEPE 1Hz |
1 Hz |
|
24V DC |
- |
|
24V AC |
1 Hz |
Anti-aliasing Butterworth 4th order
The cutoff frequency depends on the sampling rate:
|
Sampling rate |
Cutoff frequency |
|---|---|
|
≤ 8 kHz |
4 kHz |
|
> 8 kHz |
20 kHz |
Digital anti-aliasing filter
|
Parameter |
Value |
|---|---|
|
Group run time |
37 / f |
|
Settling time |
74 / f |
|
Pass bandwidth |
0.453 x f |
|
-3 dB bandwidth |
0.49 x f |
|
Stopband frequency |
0.547 x f |
|
Stopband attenuation |
100 dB |