National Instruments Module SCXI-1503 - Manual (Page 5)

© National Instruments Corporation v SCXI-1503 User Manual
Contents
Chapter 1
About the SCXI-1503
What You Need to Get Started ......................................................................................1-1
National Instruments Documentation ............................................................................1-2
Installing Application Software, NI-DAQ, and the E/M Series DAQ Device ..............1-4
Installing the SCXI-1503 Module into the SCXI Chassis...............................1-4
Installing the Terminal Block..........................................................................1-4
Configuring the SCXI System Software .........................................................1-4
Verifying the SCXI-1503 Installation............................................................................1-5
Chapter 2
Connecting Signals
Analog Input Signal Connections ..................................................................................2-1
Ground-Referencing the Signals .....................................................................2-2
Connecting Resistive Devices to the SCXI-1503 ..........................................................2-2
4-Wire Configuration ......................................................................................2-3
2-Wire Configuration ......................................................................................2-4
3-Wire Resistive Sensor Configuration...........................................................2-5
Lead-Resistance Compensation Using a 3-Wire Resistive Sensor
and Two Matched Current Sources ..............................................................2-6
Front Connector .............................................................................................................2-7
Rear Signal Connector ...................................................................................................2-10
Rear Signal Connector Descriptions ...............................................................2-11
Chapter 3
Configuring and Testing
SCXI-1503 Software-Configurable Settings .................................................................3-1
Common Software-Configurable Settings ......................................................3-1
Gain/Input Range ..............................................................................3-1
Input Coupling ..................................................................................3-2
CJC Source/Value .............................................................................3-2
Auto-Zero..........................................................................................3-2
Configurable Settings in MAX ......................................................................................3-2
NI-DAQmx......................................................................................................3-3
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