SCXI-1120 User Manual Index-1 © National Instruments Corporation
Index

Numbers/Symbols

+5 V signal
front connector, 2-13, D-2
SCXIbus connector, 3-4, C-3

A

AB0- signal, 3-4, C-3
AB0+ signal, 3-4, C-3
AB0EN bit, 4-4
AC-coupled signal connection with high
common-mode voltage, 2-15
analog configuration
direct temperature connection
(jumper W41), 2-8 to 2-9
filter jumpers, 2-10
gain jumpers, 2-9 to 2-10
grounding, shielding, and reference-
mode selection (jumper W46),
2-7
analog input channels
analog input block diagram, 3-9
calibration, 3-10 to 3-12
equipment requirements,
3-10 to 3-11
offset null adjust, 3-11
potentiometers reference
designators, 3-12
formula for determining overall
gain, 3-10
front connector, 2-12 to 2-13
AC-coupled signal connection, 2-15
floating AC-coupled signal
connection, 2-14
floating signal connection, 2-14
ground-referenced signal
connection, 2-14
warning against exceeding input
range, 2-15
theory of operation, 3-8 to 3-10
analog input specifications, A-1 to A-2
analog output circuitry, 3-12 to 3-13
analog output signal connections, 2-26
AOGND signal
analog output signal connections, 2-26
rear signal connector, 2-25, B-2

B

bit descriptions
AB0EN, 4-4
CHAN<2..0>, 4-3
CHS<4..0>, 4-6
CLKEN, 4-7
CLKOUTEN, 4-3
CLKSELECT, 4-3
CNT<6..0>, 4-8
FOUTEN*, 4-4
FRT, 4-7
HSRS*, 4-7
LOAD*, 4-7
MOD<3..0>, 4-8
ONCE, 4-7
RD, 4-7
RSVD, 4-4, 4-7
RTEMP, 4-4
SCANCLKEN, 4-4
SCANCONEN, 4-4, 4-7
SL<3..0>, 4-6

C

cabling
custom cables, 1-4
part numbers for custom cables, 1-4
SCXI-1180 feedthrough panel
cable assembly, E-6
front panel installation, E-8
installation, E-6 to E-8
rear connections, E-7
SCXI-1302 50-pin terminal block
installation, E-9
wiring procedure, E-8 to E-9
SCXI-1340
cable assembly, E-1 to E-2
installation, E-2 to E-3