Справочник Пользователя для National Instruments SCXI -1122

EEPROM, 5-1
environment specifications, A-3
equipment, optional, 1-4 to 1-5
excitation channel signal connections, 3-8

to 3-9

connecting quarter-bridge strain gauge to

channel 0 (illustration), 3-9

exceeding overvoltage protection, 3-8
excitation level, 3-8 to 3-9
internal half-bridge completion, 3-9
maximum load per excitation channel

(table), 3-9

excitation output channels

calibration, 4-4, 5-5
four-wire scan connection with

multiplexed current excitation
(illustration), 4-6

pros and cons of two-wire and four-wire

connections with current excited
transducers (illustration), 4-7

series connection with current excitation

(illustration), 4-6

specifications, A-3
theory of operation, 4-3 to 4-7

filtering, 4-4
floating AC-coupled signal connection

referenced to chassis ground for better
SNR (illustration), 3-6

floating signal connection referenced to

chassis ground for better SNR
(illustration), 3-6

front connector

AC-coupled signal connection with high

common-mode voltage
(illustration), 3-7

analog input channel signal connections,

3-5 to 3-8

avoiding relay wear (illustration), 3-8
excitation channel signal connections,

3-8 to 3-9

floating AC-coupled signal connection

referenced to chassis ground for better
SNR (illustration), 3-6

floating signal connection referenced to

chassis ground for better SNR
(illustration), 3-6

ground-referenced signal connection

with high common-mode voltage
(illustration), 3-6

pin assignments (illustration), 3-3
signal connection descriptions, 3-4

to 3-5

temperature sensor connection, 3-9

gain and offset calibration, 5-2 to 5-3
ground-referenced signal connection with

high common-mode voltage
(illustration), 3-6

half-bridge completion network, 3-9, 4-5
hardware installation.  See installation.

IEX- signal, 3-4
IEX+ signal, 3-4
installation.  See also configuration.

current-loop receivers (resistors), 2-4

to 2-5

hardware installation, 2-6
unpacking the SCXI-1122, 1-5

internal half-bridge completion, 3-9, 4-5
isolation amplifier, 4-4

jumper settings

analog configuration (table), 2-4
digital signal connections (table), 2-3

Lab-NB/PC/PC+ boards

SCXIbus to SCXI-1122 rear signal

connector to DAQ board pin
equivalences (table), 3-13

LabVIEW applications software, 1-2, 2-6
LabWindows applications software, 1-2, 2-6