National Instruments SCC-LP02 Dryer Accessories User Manual

SCC-LP Series Lowpass Filter
The SCC-LP Series lowpass filter modules contain fourth-order
Butterworth filter circuitry. They accept two differential input signals
within a ±10 V range. A differential amplifier attenuates each signal by
a factor of two. The output of the amplifier passes through a fourth-order
Butterworth filter circuit.
The SCC-LP Series consists of the following modules:
SCC-LP01—25 Hz cutoff frequency
SCC-LP02—50 Hz cutoff frequency
SCC-LP03—150 Hz cutoff frequency
SCC-LP04—1 kHz cutoff frequency
The following conventions are used in this guide:
<> Angle brackets that contain numbers separated by an ellipsis represent
a range of values associated with a bit or signal name—for example,
» The » symbol leads you through nested menu items and dialog box options
to a final action. The sequence File»Page Setup»Options directs you to
pull down the File menu, select the Page Setup item, and select Options
from the last dialog box.
This icon denotes a note, which alerts you to important information.
This icon denotes a caution, which advises you of precautions to take to
avoid injury, data loss, or a system crash. When this symbol is marked on
the product, refer to the Read Me First: Safety and Radio-Frequency
Interference document, shipped with the product, for precautions to take.