用户手册目录SCXI-1120 User Manual1Limited Warranty3Copyright3Trademarks3Medical Warning3Table of Contents4About This Manual10Organization of This Manual10Conventions Used in This Manual11Related Documentation12Customer Communication12Chapter 1 Introduction13What Your Kit Should Contain14Optional Software14Optional Equipment15Custom Cables16Unpacking16Chapter 2 Configuration and Installation17Module Configuration17Digital Signal Connections20Jumper W4421Jumper W4321Jumper W4221Using Jumpers W42 and W4321Analog Configuration23Grounding, Shielding, and Reference-Mode Selection23Jumper W4623Direct Temperature Connection24Jumper W4124Gain Jumpers25Filter Jumpers26Hardware Installation27Signal Connections27Front Connector28Front Connector Signal Descriptions29Analog Input Channels29Temperature Sensor Connection31Connector-and-Shell Assembly32SCXI-1320 and SCXI-1328 Terminal Blocks33Terminal Block Temperature Sensor34Terminal Block Jumper Configuration35Terminal Block Signal Connection36Terminal Block Installation39Rear Signal Connector39Rear Signal Connector Signal Descriptions41Analog Output Signal Connections42Digital I/O Signal Connections42Timing Requirements and Communication Protocol44Timing Signal44Communication Signals44Chapter 3 Theory of Operation48Functional Overview48SCXIbus Connector49SCXIbus Connector Signal Descriptions51Digital Interface53Digital Control Circuitry54Analog and Timing Circuitry55Analog Input Channels55Calibration57Calibration Equipment Requirements57Offset Null Adjust58Analog Output Circuitry59Scanning Modes60Single-Module Parallel Scanning61Multiplexed Scanning61Single-Module Multiplexed Scanning61Single-Module Multiplexed Scanning (Direct)61Single-Module Multiplexed Scanning (Indirect)62Multiple-Module Multiplexed Scanning62Multiple-Chassis Scanning63Chapter 4 Register Descriptions64Register Description64Register Description Format64SCXI-1120 Registers64Module ID Register65Configuration Register66Slot 0 Register Descriptions68Slot-Select Register69Hardscan Control Register (HSCR)70FIFO Register71Chapter 5 Programming72Programming Considerations72Notation72Register Writes72Register Selection and Write Procedure73Initialization74Single-Channel Measurements74Direct Measurements74Parallel Output74Multiplexed Output75Indirect Measurements75Measurements from Other Modules75Measurements from the SCXI-1120 via Another Module75Scanning Measurements761. Data Acquisition Board Setup Programming77Counter 1 and SCANDIV792. Module Programming79Single-Module Parallel Scanning79Single-Module Multiplexed Scanning (Direct)80Single-Module Multiplexed Scanning (Indirect)80Channel Scanning from Other Modules.80Channel Scanning from the SCXI-1120 via Another Module.80Multiple-Module Multiplexed Scanning80Multiple-Chassis Scanning813. Programming the Slot 0 Hardscan Circuitry814. Acquisition Enable, Triggering, and Servicing83Scanning Examples83Example 183Example 284Example 385Appendix A Specifications87Analog Input87Cold-Junction Sensor88Physical89Operating Environment89Storage Environment89Appendix B Rear Signal Connector90Rear Signal Connector Signal Descriptions91Appendix C SCXIbus Connector93SCXIbus Connector Signal Descriptions95Appendix D SCXI-1120 Front Connector97Front Connector Signal Descriptions98Appendix E SCXI-1120 Cabling99SCXI-1340 Cable Assembly99SCXI-1340 Installation100SCXI-1341 Lab-NB, Lab-PC, or Lab-PC+ and SCXI-1344 Lab-LC Cable Assembly101SCXI-1341 and SCXI-1344 Installation102SCXI-1342 PC-LPM-16 Cable Assembly103SCXI-1342 Installation104SCXI-1180 Feedthrough Panel104SCXI-1180 Installation104SCXI-1302 50-Pin Terminal Block106SCXI-1302 Wiring Procedure106SCXI-1302 Installation107SCXI-1351 One-Slot Cable Extender107SCXI-1351 Installation108SCXI-1350 Multichassis Adapter108SCXI-1350 Installation108SCXI-1343 Rear Screw Terminal Adapter109SCXI-1343 Installation109Appendix F Revision A and B Photo and Parts Locator Diagrams111Appendix G Customer Communication114Glossary118Index122Figures8Figure 2-1. SCXI-1120 General Parts Locator Diagram18Figure 2-2. Detailed Parts Locator Diagram19Figure 2-3. SCXI-1120 Front Connector Pin Assignment28Figure 2-4. Ground-Referenced Signal Connection with High Common-Mode Voltage30Figure 2-5. Floating Signal Connection Referenced to Chassis Ground for Better Signal-to-Noise Ratio30Figure 2-6. Floating AC-Coupled Signal Connection30Figure 2-7. AC-Coupled Signal Connection with High Common-Mode Voltage31Figure 2-8. Assembling and Mounting the SCXI-1330 Connector-and-Shell Assembly33Figure 2-9. SCXI-1320 Parts Locator Diagram37Figure 2-10. SCXI-1328 Parts Locator Diagram38Figure 2-11. SCXI-1120 Rear Signal Connector Pin Assignment40Figure 2-12. SCANCLK Timing Requirements44Figure 2-13. Slot-Select Timing Diagram45Figure 2-14. Serial Data Timing Diagram46Figure 2-15. Configuration Register Write Timing Diagram47Figure 2-16 illustrates a read of the SCXI-1120 Module ID Register47Figure 3-1. SCXI-1120 Block Diagram48Figure 3-2. SCXIbus Connector Pin Assignment50Figure 3-3. Digital Interface Circuitry Block Diagram53Figure 3-4. SCXI-1120 Digital Control54Figure 3-5. Analog Input Block Diagram56Figure 3-6. Analog Output Circuitry59Figure 3-7. Single-Module Parallel Scanning61Figure 3-8. Single-Module Multiplexed Scanning (Direct)62Figure 3-9. Single-Module Multiplexed Scanning (Indirect)62Figure 3-10. Multiple-Module Multiplexed Scanning63Figure 3-11. Multiple-Chassis Scanning63Figure B-1. SCXI-1120 Rear Signal Connector Pin Assignment90Figure C-1. SCXIbus Connector Pin Assignment94Figure D-1. SCXI-1120 Front Connector Pin Assignment97Figure E-1. SCXI-1340 Installation101Figure E-2. SCXI-1180 Rear Connections105Figure E-3. SCXI-1180 Front Panel Installation106Figure E-4. Cover Removal107Figure F-1. Revision A and B SCXI-1120 Signal Conditioning Module111Figure F-2. Revision A and B SCXI-1120 General Parts Locator Diagram112Figure F-3. Revision A and B SCXI-1120 Detailed Parts Locator Diagram113Tables9Table 2-1. Digital Signal Connections, Jumper Settings22Table 2-2. Jumper W46 Settings24Table 2-3. Jumper W41 Settings25Table 2-4. Gain Jumper Allocation25Table 2-5. Gain Jumper Positions26Table 2-6. Filter Jumper Allocation26Table 2-7. Jumper Settings on the SCXI-1320 Terminal Block35Table 2-8. Jumper Settings on the SCXI-1328 Terminal Block36Table 2-9. SCXIbus to SCXI-1120 Rear Signal Connector to Data Acquisition Board Pin Equivalences43Table 3-1. SCXIbus Equivalents for the Rear Signal Connector52Table 3-2. Calibration Potentiometers Reference Designators59Table 5-1. SCXI-1120 Rear Signal Connector Pin Equivalences73Table E-1. SCXI-1120 and MIO-16 Board Pinout Equivalences100Table E-2. SCXI-1341 and SCXI-1344 Pin Translations102Table E-3. SCXI-1342 Pin Translations103Table E-4. SCXI-1343 Pin Connections110文件大小： 514.8 KB页数： 130Language: English打开用户手册
用户手册目录SCXI-1120 User Manual1Limited Warranty3Copyright3Trademarks3Medical Warning3Table of Contents4About This Manual10Organization of This Manual10Conventions Used in This Manual11Related Documentation12Customer Communication12Chapter 1 Introduction13What Your Kit Should Contain14Optional Software14Optional Equipment15Custom Cables16Unpacking16Chapter 2 Configuration and Installation17Module Configuration17Digital Signal Connections20Jumper W4421Jumper W4321Jumper W4221Using Jumpers W42 and W4321Analog Configuration23Grounding, Shielding, and Reference-Mode Selection23Jumper W4623Direct Temperature Connection24Jumper W4124Gain Jumpers25Filter Jumpers26Hardware Installation27Signal Connections27Front Connector28Front Connector Signal Descriptions29Analog Input Channels29Temperature Sensor Connection31Connector-and-Shell Assembly32SCXI-1320 and SCXI-1328 Terminal Blocks33Terminal Block Temperature Sensor34Terminal Block Jumper Configuration35Terminal Block Signal Connection36Terminal Block Installation39Rear Signal Connector39Rear Signal Connector Signal Descriptions41Analog Output Signal Connections42Digital I/O Signal Connections42Timing Requirements and Communication Protocol44Timing Signal44Communication Signals44Chapter 3 Theory of Operation48Functional Overview48SCXIbus Connector49SCXIbus Connector Signal Descriptions51Digital Interface53Digital Control Circuitry54Analog and Timing Circuitry55Analog Input Channels55Calibration57Calibration Equipment Requirements57Offset Null Adjust58Analog Output Circuitry59Scanning Modes60Single-Module Parallel Scanning61Multiplexed Scanning61Single-Module Multiplexed Scanning61Single-Module Multiplexed Scanning (Direct)61Single-Module Multiplexed Scanning (Indirect)62Multiple-Module Multiplexed Scanning62Multiple-Chassis Scanning63Chapter 4 Register Descriptions64Register Description64Register Description Format64SCXI-1120 Registers64Module ID Register65Configuration Register66Slot 0 Register Descriptions68Slot-Select Register69Hardscan Control Register (HSCR)70FIFO Register71Chapter 5 Programming72Programming Considerations72Notation72Register Writes72Register Selection and Write Procedure73Initialization74Single-Channel Measurements74Direct Measurements74Parallel Output74Multiplexed Output75Indirect Measurements75Measurements from Other Modules75Measurements from the SCXI-1120 via Another Module75Scanning Measurements761. Data Acquisition Board Setup Programming77Counter 1 and SCANDIV792. Module Programming79Single-Module Parallel Scanning79Single-Module Multiplexed Scanning (Direct)80Single-Module Multiplexed Scanning (Indirect)80Channel Scanning from Other Modules.80Channel Scanning from the SCXI-1120 via Another Module.80Multiple-Module Multiplexed Scanning80Multiple-Chassis Scanning813. Programming the Slot 0 Hardscan Circuitry814. Acquisition Enable, Triggering, and Servicing83Scanning Examples83Example 183Example 284Example 385Appendix A Specifications87Analog Input87Cold-Junction Sensor88Physical89Operating Environment89Storage Environment89Appendix B Rear Signal Connector90Rear Signal Connector Signal Descriptions91Appendix C SCXIbus Connector93SCXIbus Connector Signal Descriptions95Appendix D SCXI-1120 Front Connector97Front Connector Signal Descriptions98Appendix E SCXI-1120 Cabling99SCXI-1340 Cable Assembly99SCXI-1340 Installation100SCXI-1341 Lab-NB, Lab-PC, or Lab-PC+ and SCXI-1344 Lab-LC Cable Assembly101SCXI-1341 and SCXI-1344 Installation102SCXI-1342 PC-LPM-16 Cable Assembly103SCXI-1342 Installation104SCXI-1180 Feedthrough Panel104SCXI-1180 Installation104SCXI-1302 50-Pin Terminal Block106SCXI-1302 Wiring Procedure106SCXI-1302 Installation107SCXI-1351 One-Slot Cable Extender107SCXI-1351 Installation108SCXI-1350 Multichassis Adapter108SCXI-1350 Installation108SCXI-1343 Rear Screw Terminal Adapter109SCXI-1343 Installation109Appendix F Revision A and B Photo and Parts Locator Diagrams111Appendix G Customer Communication114Glossary118Index122Figures8Figure 2-1. SCXI-1120 General Parts Locator Diagram18Figure 2-2. Detailed Parts Locator Diagram19Figure 2-3. SCXI-1120 Front Connector Pin Assignment28Figure 2-4. Ground-Referenced Signal Connection with High Common-Mode Voltage30Figure 2-5. Floating Signal Connection Referenced to Chassis Ground for Better Signal-to-Noise Ratio30Figure 2-6. Floating AC-Coupled Signal Connection30Figure 2-7. AC-Coupled Signal Connection with High Common-Mode Voltage31Figure 2-8. Assembling and Mounting the SCXI-1330 Connector-and-Shell Assembly33Figure 2-9. SCXI-1320 Parts Locator Diagram37Figure 2-10. SCXI-1328 Parts Locator Diagram38Figure 2-11. SCXI-1120 Rear Signal Connector Pin Assignment40Figure 2-12. SCANCLK Timing Requirements44Figure 2-13. Slot-Select Timing Diagram45Figure 2-14. Serial Data Timing Diagram46Figure 2-15. Configuration Register Write Timing Diagram47Figure 2-16 illustrates a read of the SCXI-1120 Module ID Register47Figure 3-1. SCXI-1120 Block Diagram48Figure 3-2. SCXIbus Connector Pin Assignment50Figure 3-3. Digital Interface Circuitry Block Diagram53Figure 3-4. SCXI-1120 Digital Control54Figure 3-5. Analog Input Block Diagram56Figure 3-6. Analog Output Circuitry59Figure 3-7. Single-Module Parallel Scanning61Figure 3-8. Single-Module Multiplexed Scanning (Direct)62Figure 3-9. Single-Module Multiplexed Scanning (Indirect)62Figure 3-10. Multiple-Module Multiplexed Scanning63Figure 3-11. Multiple-Chassis Scanning63Figure B-1. SCXI-1120 Rear Signal Connector Pin Assignment90Figure C-1. SCXIbus Connector Pin Assignment94Figure D-1. SCXI-1120 Front Connector Pin Assignment97Figure E-1. SCXI-1340 Installation101Figure E-2. SCXI-1180 Rear Connections105Figure E-3. SCXI-1180 Front Panel Installation106Figure E-4. Cover Removal107Figure F-1. Revision A and B SCXI-1120 Signal Conditioning Module111Figure F-2. Revision A and B SCXI-1120 General Parts Locator Diagram112Figure F-3. Revision A and B SCXI-1120 Detailed Parts Locator Diagram113Tables9Table 2-1. Digital Signal Connections, Jumper Settings22Table 2-2. Jumper W46 Settings24Table 2-3. Jumper W41 Settings25Table 2-4. Gain Jumper Allocation25Table 2-5. Gain Jumper Positions26Table 2-6. Filter Jumper Allocation26Table 2-7. Jumper Settings on the SCXI-1320 Terminal Block35Table 2-8. Jumper Settings on the SCXI-1328 Terminal Block36Table 2-9. SCXIbus to SCXI-1120 Rear Signal Connector to Data Acquisition Board Pin Equivalences43Table 3-1. SCXIbus Equivalents for the Rear Signal Connector52Table 3-2. Calibration Potentiometers Reference Designators59Table 5-1. SCXI-1120 Rear Signal Connector Pin Equivalences73Table E-1. SCXI-1120 and MIO-16 Board Pinout Equivalences100Table E-2. SCXI-1341 and SCXI-1344 Pin Translations102Table E-3. SCXI-1342 Pin Translations103Table E-4. SCXI-1343 Pin Connections110文件大小： 514.8 KB页数： 130Language: English打开用户手册
