National Instruments 1142 用户手册

© National Instruments Corporation

front signal connector

functional overview of SCXI-1141. See theory 

of operation

See also calibration

gain register, 4-3
gain/input range, configuration, 3-1
ground-offset AC-coupled signal connection 

input amplifiers. See amplifiers
installation

application software, 1-4
NI-DAQ, 1-4
removing SCXI-1141/1142/1143 from 

SCXI using NI-DAQmx, 1-5
SCXI-1141/1142/1143, 1-4

instrumentation amplifiers. See amplifiers

developing an application, 5-7
programming a task (table), 5-8

software, 1-2
using a NI-DAQmx channel property 

DC-correction circuitry, 4-15
external clock input, 4-14
filter bypass mode, 4-16
filter theory, 4-5
overload recovery, 4-15
performance of SCXI-1141 filters

magnitude response, 4-6
phase response, 4-8

response to step input (figure), 4-6
SCXI-1141/1142/1143 as antialiasing 

setting cutoff frequency, 4-11
specifications, A-2
transfer function characteristics 

typical magnitude response (figure), 4-7
typical passband response (figure), 4-8

configurable settings, 3-2
removing modules, B-1
self-test verification

measurement properties, NI-DAQmx

current (table), 5-6
RTD (table), 5-6
thermistor (table), 5-6
thermocouple (table), 5-5
voltage (table), 5-4