Index
SCXI-1121 User Manual Index-4 www.natinst.com
F
FIFO Register
description, 4-9
register writes, 5-2 to 5-4
filter jumpers
allocation (table), 2-9
description, 2-9
fixed jumpers, 2-2
floating signal connections
AC-coupled (figure), 2-21
referenced to chassis ground
(figure), 2-20
FOUTEN* bit, 4-5
front connector, 2-16 to 2-36
analog input channels, 2-20 to 2-22
connector-and-shell assembly,
2-22 to 2-24
excitation channels, 2-22
pin assignments (figure), 2-17, D-2
SCXI-1320, SCXI-1328, and SCXI-1321
terminal blocks, 2-24 to 2-36
signal descriptions (table), 2-18 to 2-19,
D-3 to D-4
temperature sensor connection, 2-22
FRT bit, 4-7
G
gain jumpers
allocation (table), 2-8
positions (table), 2-8
grounding, jumper settings for, 2-6 to 2-7
ground-referenced signal connections
with high common-mode voltage
(figure), 2-20
referenced to chassis ground
(figure), 2-20
GUARD signal (table), 3-4, C-3
H
half-bridge completion
completion network jumpers (table),
2-12 to 2-13
using internal half-bridge
completion,2-12
Hardscan Control Register (HSCR)
description, 4-7 to 4-8
register writes, 5-2 to 5-4
hardware installation, 2-14
HSRS* bit, 4-7
I
indirect measurements, single-channel,
5-5to5-6
from other modules, 5-5
from SCXI-1121 via another
module,5-55-6
indirect multiplexed scanning, single-module,
5-11 to 5-12
channel scanning from other
modules, 5-11
channel scanning from SCXI-1121 via
another module, 5-11 to 5-12
initialization of registers, 5-4
input channel jumpers, 2-8 to 2-13
excitation jumpers, 2-9 to 2-13
current and voltage jumpers,
2-9to2-10
excitation level, 2-10 to 2-11
internal half-bridge completion,
2-12 to 2-13
filter jumpers, 2-9
gain jumpers, 2-8
installation
hardware installation, 2-14
SCXI-1180 feedthrough panel,
E-9toE-10
SCXI-1302 50-pin terminal block, E-11
SCXI-1340 cable assembly, E-3 to E-4