National Instruments Module SCXI-1503 - Manual (Page 79)

Index
SCXI-1503 User Manual I-4 ni.com
signals
verifying, 3-4
NI-DAQmx, 3-4
software, NI-DAQ version required, C-1
specifications
analog input, A-1
CE compliance, A-6
electromagnetic compatibility, A-6
environment, A-4
excitation, A-4
filters, A-3
maximum working voltage, A-5
physical, A-5
power requirements from SCXI
backplane, A-4
safety, A-6
stability, A-3
specifying channel strings in
NI-DAQmx, 5-11
stability specifications, A-3
T
taking measurements. See measurements
temperature measurement with resistive
transducers, 4-5
connecting resistive devices to
SCXI-1503, 2-2
2-wire configuration, 2-4
3-wire resistive sensor connected in
2-wire configuration, 2-5
4-wire configuration, 2-3
lead resistance compensation
using 3-wire resistive sensor and two
matched current sources, 2-6
RTDs
measurement errors, 4-6
overview, 4-5
relationship between resistance and
temperature, 4-6
resistance temperature curve
(figure), 4-7
thermistors
measurement circuits, 4-11
overview, 4-10
resistance/temperature
characteristics, 4-12
resistance-temperature curve
(figure), 4-11
theory of multiplexed operation, 4-4
theory of operation
analog circuitry, 4-3
digital circuitry, 4-3
rear signal connector, 4-3
SCXIbus connector, 4-3
SCXIbus interface, 4-3
theory of multiplexed operation, 4-4
thermistor, measurement properties
(table), 5-6
thermistors
measurement circuits, 4-11
overview, 4-10
resistance/temperature
characteristics, 4-12
resistance-temperature curve
(figure), 4-11
thermocouple, measurement properties
(table), 5-7
timing and triggering, adjusting, 5-3
transfer characteristics specifications, A-1
troubleshooting
incorrect test and verification, C-1
V
verifying
signal, 3-4
NI-DAQmx, 3-4
troubleshooting, C-1
Visual Basic
creating code for the SCXI-1503, 5-11