© National Instruments Corporation
Index-1
SCXI-1124 User Manual
Index
A
analog output channel connections,
3-4 to 3-7
DAC channel connection as current
output
external loop supply
(illustration), 3-5
internal loop supply
(illustration), 3-4
DAC channel connection as voltage
output (illustration), 3-5
analog output circuitry, 4-3 to 4-6
changing ranges, 4-5
current output, 4-5 to 4-6
noise reduction, 4-4 to 4-5
voltage output circuitry, 4-3 to 4-4
analog output specifications
current output, A-2
dynamic characteristics, A-2
output characteristics, A-1
stability, A-3
transfer characteristics, A-1
voltage output, A-1 to A-2
B
bipolar mode, 4-3
C
cables, custom, 1-5
calibration
calculating values for writing to DAC,
5-1 to 5-2
measurement technique, 5-5
methods
current method, 5-4
two-point method, 5-2
voltage method, 5-3 to 5-4
overview, 5-1 to 5-2
SCXI-1124 output characteristics
(illustration), 5-1
storage of constants in EEPROM
determining correct codes
for current output, 4-5 to 4-6
for voltage output circuitry,
4-3 to 4-4
limitations, 5-4
modification of constants, 4-2
CHASSIS GND signal, 3-4
chassis ground connections, 3-7
configuration
jumper settings
chassis system (illustration), 2-2
DAQ board (illustration), 2-2
supplementary information, 2-3
parts locator diagram, 2-1
current loop connection (illustration), 3-8
current output
specifications, A-2
theory of operation, 4-5 to 4-6
current sink. See also DAC channel
connection; ISINK <0..5> signal.
definition, 4-5
equation for defining, 4-5
reading calibration constants from
EEPROM, 4-5 to 4-6
voltage requirements, 4-6
custom cables, 1-5
customer communication, ix, B-1
D
DAC channel connection
as current output
external loop supply
(illustrations), 3-6
internal loop supply
(illustration), 3-5
as voltage output (illustration), 3-3
DAQD*/A signal, 3-9, 3-10
DIGGND signal, 3-8
digital control circuitry, 4-2
digital I/O signal connections, 3-9 to 3-11
digital output signal, 3-10
emulation of SCXIbus communication
signals, 3-9 to 3-10
SCXIbus to SCXI-1124 pin equivalences
(table), 3-11
specifications and ratings, 3-11
using with other boards, 3-10
