National Instruments SCB-68, User Manual

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© National Instruments Corporation vii SCB-68 Shielded Connector Block User Manual
Contents
About This Manual
Conventions ...................................................................................................................xi
NI Documentation..........................................................................................................xii
Chapter 1
Introduction
What You Need to Get Started ......................................................................................1-1
Quick Reference Label ..................................................................................................1-2
Installing Cables ............................................................................................................1-5
Using 68-Pin Cables ........................................................................................1-5
Using 100-Pin Cables ......................................................................................1-6
Configuring the SCB-68 ................................................................................................1-11
Safety Information .........................................................................................................1-11
Chapter 2
Parts Locator and Wiring Guide
Switch Configuration .....................................................................................................2-3
Chapter 3
Connecting Signals
Connecting Analog Input Signals ..................................................................................3-1
Input Modes.....................................................................................................3-1
Nonreferenced or Floating Signal Sources......................................................3-3
Differential Inputs .............................................................................3-3
Single-Ended Inputs ..........................................................................3-3
Ground-Referenced Signal Sources ................................................................3-4
Differential Inputs .............................................................................3-4
Single-Ended Inputs ..........................................................................3-4
Differential Connection Considerations (DIFF Input Mode)..........................3-5
Differential Connections for Ground-Referenced Signal Sources....3-6
Differential Connections for Nonreferenced
or Floating Signal Sources .............................................................3-7
Using Bias Resistors ...........................................................3-7