Index
© National Instruments Corporation I-3 Getting Started with SCXI
E
excitation channel signal connections, 4-22
connecting quarter-bridge strain gauge
(figure), 4-23
exceeding overvoltage protection or
isolation rating (warning), 4-22
excitation level, 4-22
maximum load per excitation channel
(table), 4-22
using internal half-bridge completion,
4-23
excitation level configuration
SCXI-1121, 3-19
SCXI-1520
excitation voltage ranges for
configuration and gauge
resistances (table), 4-15
excitation mode configuration
SCXI-1121, 3-17
excitation output channels, 4-25
four-wire scan connection (figure), 4-27
pros and cons of two-wire and four-wire
connections (table), 4-28
series connection (figure), 4-27
shunt calibration, 4-25
voltage excitation channel, 4-25
F
filtering
configuration and jumper settings
SCXI-1100 module, 3-5
SCXI-1120/D module, 3-11
SCXI-1121 module, 3-16
hardware filtering, 4-9
noise filtering for thermocouples, 4-9
RTD analog input channels, 4-25
floating signal sources, 3-3
fuse
blown, A-3
G
gain
configuration and jumper settings
SCXI-1120/D module, 3-9
SCXI-1121 module, 3-15
SCXI-1140 module, 3-31
setting gain for continuous data
acquisition, A-3
ground connections, 4-31
ground-referenced signals
description, 3-3
problems and solutions, A-2
H
hardware filtering, 4-9
I
input modes. See analog input modes.
input signal referencing
SCXI-1100 module, 3-4
installation
connecting SCXI systems to DAQ device
or computer, 2-2
attaching cable assembly to SCXI
module and chassis, 2-3
parallel port, 2-2
plug-in DAQ device or PC card, 2-3
RS-232 or RS-485 serial port, 2-6
DAQ devices, 2-2
SCXI modules, 2-2
software installation, 2-1
instrumentation amplifier output referencing
mode
SCXI-1140 module, 3-30
isolation amplifier for RTDs, 4-25
J
jumper settings
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