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National Instruments SCXI -1122 User Manual

Page 62

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Index

SCXI-1122 User Manual

Index-4

© National Instruments Corporation

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

rear signal connector

analog output signal connections,

3-11 to 3-12

digital I/O signal connections, 3-12

to 3-13

pin assignments (illustration), 3-10
SCXIbus to SCXI-1122 rear signal

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

signal descriptions, 3-11

safety warnings, 3-1 to 3-2

SLOT0SEL* signal, 3-11, 3-12
software programming choices

LabVIEW applications software, 1-2
LabWindows applications software, 1-2
NI-DAQ driver software, 1-2 to 1-3
register-level programming, 1-4

specifications

analog input, A-1 to A-3
environment, A-3
excitation, A-3
physical, A-3

Status Register, 2-3, 4-3

T

TEMP- signal, 3-4, 3-5
TEMP+ signal, 3-4, 3-5
temperature sensor connection, 3-9, 4-4
theory of operation

analog circuitry, 4-3 to 4-7

analog input channels, 4-3
excitation output channels, 4-3 to 4-7

digital control circuitry, 4-3
functional overview, 4-1 to 4-2
major components of SCXI-1122, 4-3
rear signal connector, 4-3
SCXI-1122 block diagram, 4-2
SCXIbus connector, 4-3
SCXIbus interface, 4-3

U

unpacking the SCXI-1122, 1-5
user-defined current receiver resistors. See

current-loop receivers.

V

VEX- signal, 3-4, 4-5
VEX/2 signal, 3-4
VEX+ signal, 3-4, 4-5
voltage (VEX) excitation channel, 3-8

W

Wheatstone bridge, 4-5