
Control Block Description
ADDvantage-32 PLUS
4-62
4.42 LOWPASS FILTER
Use to filter out high frequency noise from analog signals, such as tension feedback.
FREQ
BODE PLOT
M
A
G
N
I
T
U
D
E
TIME C (SECONDS)
1
LOWPASS
FIGURE 4-42. LOWPASS FILTER BLOCK
1. Inputs
INP: Analog
TC: Analog
2. Outputs
OUT: Analog
3. Implementation
The lowpass filter takes the INP, filters it for high frequency, then outputs it to OUT.
The time constant in seconds for the filter is determined by TC. Limits of the time
constant are from 0.00277 to 2.5 seconds.
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