National Instruments SCXI-1121 User Manual page 161

SCXIbus to SCXI-1121 rear signal
connector to DAQ board pin
equivalences (table), 2-41
Slot-Select Register
description, 4-6
register writes, 5-2 to 5-4
software, optional, 1-2 to 1-3
software-related resources, G-2
specifications
analog input, A-1 to A-2
cold-junction sensor, A-3 to A-4
environment, A-4
physical, A-4
RTD mode, A-3
safety, A-4
strain gauge mode, A-3
SPICLK 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
SS* signal (table), 3-5, C-4
strain gauge mode specifications, A-3
T
technical support resources, G-1 to G-2
temperature sensor
signal connections, 2-22
terminal blocks, 2-30 to 2-31
terminal adapter. See SCXI-1343 rear screw
terminal adapter.
terminal blocks. See SCXI-1302 50-pin
terminal block; SCXI-1320 and SCXI-1328
terminal blocks; SCXI-1321 terminal block.
theory of operation, 3-1 to 3-20
analog and timing circuitry, 3-8 to 3-16
analog input channels, 3-8 to 3-11
analog output circuitry, 3-15 to 3-16
© National Instruments Corporation
calibration equipment requirements,
3-11 to 3-14
excitation output channels, 3-11
block diagram of SCXI-1121, 3-1
digital control circuitry, 3-7 to 3-8
digital interface, 3-6
major components of SCXI-1121, 3-2
scanning modes, 3-17 to 3-20
multiple-chassis scanning, 3-20
multiple-module multiplexed
scanning, 3-19
multiplexed scanning, 3-17 to 3-18
single-module multiplexed scanning,
3-18 to 3-19
single-module parallel
scanning, 3-17
SCXIbus connector
equivalents for rear signal connector
(table), 3-5
pin assignments (figure), 3-3
signal descriptions (table), 3-4 to 3-5
thermistors, using with SCXI-1321 terminal
block, 2-27 to 2-28
timing circuitry. See analog and timing
circuitry.
timing signal. See SCANCLK signal.
TRIG0 signal (table), 3-5, C-4
triggering, programming, 5-14 to 5-15
U
user-configurable jumpers, 2-2 to 2-3
V
V+ signal (table), 3-4, C-3
V- signal (table), 3-4, C-3
voltage and current excitation jumpers,
2-9 to 2-10
Index-11
Index
SCXI-1121 User Manual