© National Instruments Corporation 4-1 Getting Started with SCXI
4
Connecting and Using
Accessories and Transducers
This chapter describes the use of SCXI terminal blocks and
connector-and-shell assemblies and explains how to connect three
commonly used transducers—thermocouples, strain gauges, and resistive
temperature detectors (RTDs)—to your SCXI system.
Connecting Signal Wires to the SCXI System
There are two methods for connecting signals to the SCXI system—using
SCXI terminal blocks and using TBX terminal blocks. Because the front
panel connectors of different SCXI modules have different pinouts, there
are specific terminal blocks and connector-and-shell assemblies you can
use with particular modules. You can use some terminal blocks with more
than one module, as shown in Table 4-1.
Table 4-1.
SCXI Module and Connector Compatibility
Module
Terminal/
Connector
Features
Cold-Junction Sensor Isothermal Others
SCXI-1100
SCXI-1102/B/C
SCXI-1300
SCXI-1303
TBX-1303
SCXI-1308
SCXI-1310
Yes
Yes
Yes
No
No
No
Yes
Yes
No
No
—
Signal referencing
and open
thermocouple
detection
Current input
Low-cost
connector and shell
SCXI-1104/C SCXI-1300,
TBX-96
Yes
No
Yes
No
—
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