Network Card User Manual
Table Of Contents
- SCXI-1121 User Manual
- Support
- Important Information
- Contents
- About This Manual
- Chapter 1 Introduction
- Chapter 2 Configuration and Installation
- Chapter 3 Theory of Operation
- Chapter 4 Register Descriptions
- Chapter 5 Programming
- Appendix A Specifications
- Appendix B Rear Signal Connector
- Appendix C SCXIbus Connector
- Appendix D SCXI-1121 Front Connector
- Appendix E SCXI-1121 Cabling
- Appendix F Revision A and B Photo and Parts Locator Diagrams
- Appendix G Technical Support Resources
- Glossary
- Index
- Figures
- Figure 2-1. SCXI-1121 General Parts Locator Diagram
- Figure 2-2. SCXI-1121 Detailed Parts Locator Diagram
- Figure 2-3. SCXI-1121 Front Connector Pin Assignment
- Figure 2-4. Ground-Referenced Signal Connection with High Common-Mode Voltage
- Figure 2-5. Floating Signal Connection Referenced to Chassis Ground for Better Signal-to-Noise Ratio
- Figure 2-6. Floating AC-Coupled Signal Connection
- Figure 2-7. AC-Coupled Signal Connection with High Common-Mode Voltage
- Figure 2-8. Assembling and Mounting the SCXI-1330 Connector-and-Shell Assembly
- Figure 2-9. Nulling Circuit
- Figure 2-10. Shunt Circuit
- Figure 2-11. SCXI-1320 Parts Locator Diagram
- Figure 2-12. SCXI-1328 Parts Locator Diagram
- Figure 2-13. SCXI-1321 Parts Locator Diagram
- Figure 2-14. SCXI-1121 Rear Signal Connector Pin Assignment
- Figure 2-15. SCANCLK Timing Requirements
- Figure 2-16. Slot-Select Timing Diagram
- Figure 2-17. Serial Data Timing Diagram
- Figure 2-18. Configuration Register Write Timing Diagram
- Figure 2-19. SCXI-1121 Module ID Register Timing Diagram
- Figure 3-1. SCXI-1121 Block Diagram
- Figure 3-2. SCXIbus Connector Pin Assignment
- Figure 3-3. Digital Interface Circuitry Block Diagram
- Figure 3-4. SCXI-1121 Digital Control
- Figure 3-5. Analog Input Block Diagram
- Figure 3-6. Analog Output Circuitry
- Figure 3-7. Single-Module Parallel Scanning
- Figure 3-8. Single-Module Multiplexed Scanning (Direct)
- Figure 3-9. Single-Module Multiplexed Scanning (Indirect)
- Figure 3-10. Multiple-Module Multiplexed Scanning
- Figure 3-11. Multiple-Chassis Scanning
- Figure B-1. SCXI-1121 Rear Signal Connector Pin Assignment
- Figure C-1. SCXIbus Connector Pin Assignment
- Figure D-1. SCXI-1121 Front Connector Pin Assignment
- Figure E-1. SCXI-1340 Installation
- Figure E-2. SCXI-1180 Rear Connections
- Figure E-3. SCXI-1180 Front Panel Installation
- Figure E-4. Cover Removal
- Figure F-1. Revision A and B SCXI-1121 Signal Conditioning Module
- Figure F-2. Revision A and B SCXI-1121 General Parts Locator Diagram
- Figure F-3. Revision A and B SCXI-1121 Detailed Parts Locator Diagram
- Tables
- Table 2-1. Digital Signal Connections, Jumper Settings
- Table 2-2. Jumper W33 Settings
- Table 2-3. Gain Jumper Allocation
- Table 2-4. Gain Jumper Positions
- Table 2-5. Filter Jumper Allocation
- Table 2-6. Voltage and Current Mode Excitation Jumper Setup
- Table 2-7. Maximum Load per Excitation Channel
- Table 2-8. Excitation Level Jumper Selection
- Table 2-9. Completion Network Jumpers
- Table 2-10. Trimmer Potentiometer and Corresponding Channel
- Table 2-11. Nulling Resistors and Corresponding Channel
- Table 2-12. Jumper Settings of the Nulling Circuits
- Table 2-13. Jumper Settings on the SCXI-1320 Terminal Block
- Table 2-14. Jumper Settings on the SCXI-1328 Terminal Block
- Table 2-15. Jumper Settings on the SCXI-1321 Terminal Block
- Table 2-16. SCXIbus to SCXI-1121 Rear Signal Connector to Data Acquisition Board Pin Equivalences
- Table 3-1. SCXIbus Equivalents for the Rear Signal Connector
- Table 3-2. Calibration Potentiometer Reference Designators
- Table 5-1. SCXI-1121 Rear Signal Connector Pin Equivalences
- Table E-1. SCXI-1121 and MIO-16 Pinout Equivalences
- Table E-2. SCXI-1341 and SCXI-1344 Pin Translations
- Table E-3. SCXI-1342 Pin Translations
- Table E-4. SCXI-1343 Pin Connections
Index
© National Instruments Corporation Index-5 SCXI-1121 User Manual
SCXI-1341 Lab-NB, Lab-PC, or
Lab-PC+ cable assembly, E-6
SCXI-1342 PC-LPM-16 cable
assembly, E-8
SCXI-1343 rear screw terminal
adapter, E-14
SCXI-1344 Lab-PC+ cable assembly, E-6
SCXI-1350 multichassis adapter, E-13
SCXI-1351 one-slot cable extender, E-12
terminal blocks, 2-36
unpacking SCXI-1121, 1-6
internal half-bridge completion, 2-12 to 2-13
INTR* signal
description (table), 3-4, C-3
SCXIbus equivalents for rear signal
connector (table), 3-5
SCXIbus to SCXI-1121 rear signal
connector to DAQ board pin
equivalences (table), 2-41
J
jumpers
fixed jumpers, 2-2
settings for nulling circuits (table), 2-28
terminal block configuration, 2-31 to 2-32
user-configurable jumpers, 2-2 to 2-3
W1
nulling circuit setting (table), 2-28
SCXI-1320 terminal block
(table), 2-32
SCXI-1328 terminal block
(table), 2-32
W2 nulling circuit setting (table), 2-28
W3 (table), 2-28
W4 (table), 2-28
W5 (table), 2-32
W32
configuration, 2-4 to 2-5
description, 2-4
settings (table), 2-6
W33, 2-6 to 2-7
W38
configuration, 2-4 to 2-5
description, 2-4
settings (table), 2-5
W44
configuration, 2-3 to 2-4
settings (table), 2-6
W45 (table), 2-5
L
LabVIEW for Macintosh software, 1-3
LabVIEW for Windows software, 1-2
LabWindows/CVI software, 1-2
LOAD* bit, 4-7
M
manual. See documentation.
MCH0± through MCH4± signals (table),
2-38, B-2
MISO signal
description (table), 3-4, C-3
SCXIbus equivalents for rear signal
connector (table), 3-5
SCXIbus to SCXI-1121 rear signal
connector to DAQ board pin
equivalences (table), 2-41
module configuration. See configuration.
Module ID Register
description, 4-2
overview, 3-8
reading from, 2-45 to 2-46
timing diagram, 2-46
MOSI signal
description (table), 3-4, C-3
SCXIbus equivalents for rear signal
connector (table), 3-5