National Instruments SCXI-1503 user manual Contents

© 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