Index
© National Instruments Corporation Index-3 SCXI-1121 User Manual
Counter 1, scanning measurements,
5-9to 5-10
current and voltage excitation jumpers,
2-9to 2-10
custom cables, 1-5
D
D*/A signal
description (table), 3-4, C-3
SCXIbus equivalents for rear signal
connector (table), 3-5
SCXIbus to SCXI-1121 rear signal
connector to DAQ board pin
equivalences (table), 2-41
DAQD*/A signal. See also communication
signals.
description (table), 2-38, B-2
register writes, 5-2 to 5-3
SCXIbus equivalents for rear signal
connector (table), 3-5
SCXIbus to SCXI-1121 rear signal
connector to DAQ board pin
equivalences (table), 2-41
data acquisition board setup, for scanning
measurements, 5-7 to 5-9
diagnostic resources, online, G-1
DIG GND signal (table), 2-38, B-2
digital control circuitry, 3-7 to 3-8
digital interface, 3-6
digital signal connections
input signals, 2-40
jumper settings (figure), 2-5 to 2-6
jumper W32, 2-4
jumper W38, 2-4
jumper W44, 2-3 to 2-4
output signals, 2-40
SCXIbus to SCXI-1121 rear signal
connector to DAQ board pin
equivalences (table), 2-41
specifications and ratings, 2-41
timing signals, 2-41
using jumpers W32 and W38, 2-4 to 2-5
direct measurements, single-channel
multiplexed output, 5-4 to 5-5
parallel output, 5-4
single-channel measurements, 5-4 to 5-5
direct multiplexed scanning,
single-module, 5-11
documentation
conventions used in manual, xi-xii
related documentation, xii
DTEMP signal (table), 2-18, D-3
DTS mode, terminal blocks, 2-31 to 2-32
E
EGND0 signal (table), 2-19, D-4
EGND1 signal (table), 2-19, D-4
EGND2 signal (table), 2-18, D-3
EGND3 signal (table), 2-18, D-3
environment specifications, A-4
equipment, optional (table), 1-4
EX0+ signal (table), 2-19, D-4
EX0- signal (table), 2-19, D-4
EX1+ signal (table), 2-19, D-4
EX1- signal (table), 2-19, D-4
EX2+ signal (table), 2-18, D-3
EX2- signal (table), 2-18, D-4
EX3+ signal (table), 2-18, D-3
EX3- signal (table), 2-18, D-3
excitation adjust, in calibration, 3-13 to 3-14
excitation channels
signal connections, 2-22
theory of operation, 3-11
excitation jumpers, 2-9 to 2-13
current and voltage jumpers, 2-9 to 2-10
excitation level, 2-10 to 2-11
internal half-bridge completion,
2-12 to 2-13
jumper selection (table), 2-11
maximum load per excitation channel
(table), 2-11