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National Instruments Corporation
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SCXI-1502 User Manual
Contents
Chapter 1
About the SCXI-1502
What You Need to Get Started ......................................................................................1-1
National Instruments Documentation ............................................................................1-3
Installing Application Software, NI-DAQ, and the DAQ Device .................................1-4
Installing the SCXI-1502 into an SCXI Chassis or a
PXI/SCXI Combination Chassis ..................................................................1-4
Installing the Terminal Block ........................................................................................1-4
Verifying the SCXI-1502 Installation in Software ........................................................1-5
Installing SCXI Chassis and Modules in Software .........................................1-5
Troubleshooting the Self-Test Verification ...................................................................1-5
Troubleshooting in NI-DAQmx ......................................................................1-5
Chapter 2
Connecting the Signals
Front Connector .............................................................................................................2-1
Front Connector Signal Descriptions ..............................................................2-3
Analog Input Signal Connections .....................................................2-3
Cold-Junction Sensor Connection ...................................................................2-6
Rear Signal Connector ...................................................................................................2-6
Rear Signal Connector Descriptions ...............................................................2-8
Connecting Thermocouples ..............................................................2-9
Connecting RTDs..............................................................................2-9
Connecting a Current-Loop Receiver ...............................................2-10
Chapter 3
Configuring and Testing
SCXI-1502 Software-Configurable Settings .................................................................3-1
Common Software-Configurable Settings ......................................................3-1
Gain/Input Range ..............................................................................3-1
Input Selection ..................................................................................3-2
CJC Source/Value .............................................................................3-2
Auto-Zero..........................................................................................3-2
Configurable Settings in MAX ......................................................................................3-2
NI-DAQmx......................................................................................................3-2
Creating a Global Channel or Task...................................................3-3
Verifying the Signal.......................................................................................................3-4
Verifying the Signal in NI-DAQmx Using a Task or Global Channel ...........3-4