Spectrum Controls 1769sc-IF4IH User Manual page 60

Compact i/o isolated hart analog module
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6-10
Compact IO™ Isolated HART Analog Input Module
Figure 6-2 (Frequency Response)
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User' s Manual 0300215-03 Rev. A
28.5Hz Filter
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60Hz Filter Ope ration
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360Hz Filter Operation
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The cut-off frequency for each channel is defined by its filter frequency selection. Choose
a filter frequency so that your fastest changing signal is below that of the filter's cut-off
frequency. The cut-off frequency should not be confused with the update time. The cut-
off frequency relates to how the digital filter attenuates frequency components of the
input signal.
The update time defines the rate at which an input channel is scanned and its channel data
word is updated.
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50 Hz Filter
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300Hz Filter Operation
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