Example High-Pass Filter Configuration - GE Bently Nevada 3300/25 Operation Manual

3300/25 Dual Accelerometer Input Monitor Operation Manual

20.9 Example High-Pass Filter Configuration

This example shows how to configure channel A with a high-pass filter that has a corner
f
frequency, , of 24000 CPM (400 Hz). The High Pass Filter is located after the
hp
Integrator/Gain Stage. (While working through this example you can refer to the
procedure for setting the high-pass filter which is at the start of this section).
Follow the steps outlined in the Filter Configuration Section.
1. Set the type of filter as a High-Pass filter as shown in the table of
table in Section 20.5
Install:
Remove:
2. Set the High Pass Filter after the Integrator/Gain Stage as shown in the table for
channel A in Section
On the Main Board
Install:
Remove:
On the Filter Board
Install:
Remove:
3. Set the high-pass filter corner frequency
High-Pass Freq. Configuration Table Section, you will need to refer to the
Standard High Filter Options, Section
f
4. is between 319 Hz and 3008 Hz, so the value of K is 11.797. Set the following
hp
jumpers for K = 11.797 (shown in the table in Section 27.5).
Install: W11,W31,W38,W40
96
shows that for a High-Pass filter for channel A
W27 and W76
W26 and W65
20.6.
W6E
W6D,W6F, and W18B
W37,W78
W79,W83, and W84
20.8, for the jumper configuration.
f
. Since the desired
hp
Section 20.5. The
f
is not in the
hp
Non