National Instruments SC-2040 Figure 3-2. SC-2040 Signal Routing

Signal Connections Chapter 3

SC-2040 User Manual 3-6 © National Instruments Corporation

SC-2040

Input Signals

AIGND

CH0+

CH0-

CH1+

CH1-

CH7

TRIG

DGND

SC-2040

Screw Terminals

Signals Sent

to MIO-16

AIGND

AISENSE

ACH1

ACH7

PFI2/

STARTSCAN

PFI7

DGND

J11 and J12

Connectors on SC-2040

ACH0

T/H

J10

Track*/Hold

Figure 3-2. SC-2040 Signal Routing

Contents

Main Page Limited Warranty Copyright Trademarks Page Contents Chapter 1 Introduction Chapter 2 Configuration and Installation Chapter 3 Signal Connections Page Figures Tables About This Manual Organization of This Manual Conventions Used in This Manual The National Instruments Documentation Set Page Chapter 1 Introduction About the SC-2040 What You Need to Get Started Software Programming Choices LabVIEW and LabWindows Application Software NI-DAQ Driver Software Page Register-Level Programming Optional Equipment Unpacking Page Page Page Page Page Supplementary Configuration Information Gain Selection Input Mode Selection Installation Power-on Sequence Chapter 3 Signal Connections I/O Connector Pin Description Signal Connections Chapter 3 SC-2040 User Manual 3-2 National Instruments Corporation A. Breakout Connector J11 B. I/O Connector J12 Table 3-1. Pin Assignments for Connectors J11 and J12 Signal Connection Description Table 3-2. Input Connectors Signal Summary (continues) Table 3-3. Output Connectors (J11 and J12) Signal Summary Page Signal Connections Chapter 3 Figure 3-2. SC-2040 Signal Routing SC-2040 User Manual 3-6 National Instruments Corporation Analog Signal Inputs Page Chapter 3 Signal Connections National Instruments Corporation 3-9 SC-2040 User Manual Figures 3-5 through 3-7 illustrate how to connect AC-coupled signals. Analog Figure 3-6. Ground-Offset AC-Coupled Signal Connection GND V () Digital Signal Inputs Monitoring Signal Outputs Other Connection Considerations Page Theory of Operation Chapter 4 Figure 4-1. SC-2040 Block Diagram SC-2040 User Manual 4-2 National Instruments Corporation Analog Circuitry Input Protection Amplification Track-and-Hold (T/H) Circuitry Page Page Page Chapter 5 Calibration Procedures Software Calibration Offset Adjustment Gain Adjustment Linearity Adjustment Hardware Calibration Page Page Appendix A Specifications Analog Input Input Characteristics Transfer Characteristics Amplifier Characteristics Dynamic Characteristics S/H Characteristics Stability Power Requirement Physical Environment Appendix B Customer Communication Technical Support Form SC-2040 Hardware and Software Configuration Form National Instruments Products Other Products Documentation Comment Form Glossary ___________________________________________________ Page Index Numbers/Symbols A B C D E F G H J L M O P T U