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-9 SCXI-1121 User Manual
SCXI-1343 rear screw terminal adapter,
E-14 to E-16
SCXI-1344 Lab-PC+ cable assembly,
E-4 to E-6
SCXI-1350 multichassis adapter,
E-12 to E-13
SCXI-1351 one-slot cable extender, E-12
SCXI-1180 feedthrough panel, E-8 to E-10
description, E-8
installation, E-9 to E-10
SCXI-1302 50-pin terminal block,
E-10 to E-11
installation, E-11
wiring procedure, E-10 to E-11
SCXI-1320 and SCXI-1328 terminal blocks
connecting signals, 2-24
installation, 2-36
insulating signal wires (warning), 2-24
jumper configuration, 2-31 to 2-32
overview, 2-24
parts locator diagrams
SCXI-1320, 2-34
SCXI-1328, 2-35
signal connections, 2-33
temperature sensor, 2-30 to 2-31
SCXI-1321 terminal block
features, 2-25
installation, 2-36
insulating signal wires (warning), 2-24
jumper configuration, 2-30 to 2-31
jumper settings of nulling circuits
(table), 2-28
nulling circuitry, 2-25 to 2-27
nulling resistors and corresponding
channel (table), 2-26
overview, 2-24
parts locator diagrams, 2-36
shunt calibration, 2-28 to 2-29
signal connections, 2-33
temperature sensor, 2-30 to 2-31
trimmer potentiometer and corresponding
channel (table), 2-25 to 2-27
using with RTDs and thermistors, 2-27
SCXI-1328 terminal block. See SCXI-1320
and SCXI-1328 terminal blocks.
SCXI-1340 cable assembly
description, E-1 to E-2
installation, E-3 to E-4
SCXI-1121 and MIO-16 pinout
equivalences (table), E-2 to E-3
SCXI-1341 Lab-NB, Lab-PC, or Lab-PC+
cable assembly, E-4 to E-6
description, E-4 to E-6
installation, E-6
pin translations (table), E-5
SCXI-1342 PC-LPM-16 cable assembly,
E-6 to E-8
description, E-6
installation, E-8
pin translations (table), E-6 to E-7
SCXI-1343 rear screw terminal adapter,
E-14 to E-16
installation, E-14
pin connections (table), E-14 to E-16
SCXI-1344 Lab-PC+ cable assembly,
E-4toE-6
description, E-4
installation, E-6
pin translations (table), E-5
SCXI-1350 multichassis adapter, E-12 to E-13
description, E-12 to E-13
installation, E-13
SCXI-1351 one-slot cable extender, E-12
SCXIbus connector
equivalences
rear signal connector (table), 3-5
rear signal connector to DAQ board
pin equivalences (table), 2-41
pin assignments (figure), 3-3, C-2
signal descriptions (table), 3-4 to 3-5,
C-3 to C-4