用户手册目录NI 783x R User Manual1Support2Worldwide Technical Support and Product Information2National Instruments Corporate Headquarters2Worldwide Offices2Important Information3Warranty3Copyright3Trademarks3Patents3WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS3Compliance4Contents5About This Manual7Conventions7Reconfigurable I/O Documentation8Related Documentation9Chapter 1 Introduction10About the NI 783x R10Using PXI with CompactPCI11Table 1-1. Pins Used by the NI PXI-783x R12Overview of Reconfigurable I/O12Reconfigurable I/O Concept12Flexible Functionality12User-Defined I/O Resources13Device-Embedded Logic and Processing13Reconfigurable I/O Architecture13Figure 1-1. High-Level FPGA Functional Overview13Reconfigurable I/O Applications14Software Development14LabVIEW FPGA Module14LabVIEW Real-Time Module15Cables and Optional Equipment16Table 1-2. Cables and Accessories16Custom Cabling17Safety Information18Chapter 2 Hardware Overview of the NI 783x R20Figure 2-1. NI 7830R Block Diagram20Figure 2-2. NI 7831R/7833R Block Diagram21NI 7830R Overview21NI 7831R/7833R Overview21Analog Input21Table 2-1. Ideal Output Code and AI Voltage Mapping22Input Modes22Table 2-2. Available Input Modes for the NI 783x R22Input Range23Connecting Analog Input Signals23Figure 2-3. NI 783x R Instrumentation Amplifier24Types of Signal Sources25Floating Signal Sources25Ground-Referenced Signal Sources25Input Modes25Figure 2-4. Summary of Analog Input Connections26Differential Connection Considerations (DIFF Input Mode)27Differential Connections for Ground-Referenced Signal Sources27Figure 2-5. Differential Input Connections for Ground-Referenced Signals28Differential Connections for Nonreferenced or Floating Signal Sources28Figure 2-6. Differential Input Connections for Nonreferenced Signals29Single-Ended Connection Considerations30Single-Ended Connections for Floating Signal Sources (RSE Input Mode)31Figure 2-7. Single-Ended Input Connections for Nonreferenced or Floating Signals31Single-Ended Connections for Grounded Signal Sources (NRSE Input Mode)31Figure 2-8. Single-Ended Input Connections for Ground-Referenced Signals32Common-Mode Signal Rejection Considerations32Analog Output33Table 2-3. Ideal Output Voltage and Input Code Mapping33Connecting Analog Output Signals33Figure 2-9. Analog Output Connections34Digital I/O34Connecting Digital I/O Signals34Figure 2-10. Example Digital I/O Connections36Table 2-4. DIO Signal Guidelines for the NI 783x R37RTSI Trigger Bus37PXI Local Bus (for NI PXI-783x R only)38Switch Settings39Figure 2-11. Switch Location on the NI PXI-783x R40Figure 2-12. Switch Location on the NI PCI-783x R41Figure 2-13. Switch Settings41Power Connections42Field Wiring Considerations43Chapter 3 Calibration44Loading Calibration Constants44Internal Calibration44External Calibration45Appendix A Specifications46Appendix B Connecting I/O Signals56Figure B-1. NI 783x R Connector Locations56Figure B-2. NI 783x R I/O Connector Pin Assignments57Table B-1. I/O Connector Signal Descriptions58Table B-2. NI 783xR I/O Signal Summary59Figure B-3. Connector Pinouts when Using NSC68-262650 Cable61Figure B-4. Connector Pinouts when Using the NSC68-5050 Cable62Appendix C Using the SCB-68 Shielded Connector Block63Figure C-1. General-Purpose Switch Configuration for the SCB-68 Terminal Block63Appendix D Technical Support and Professional Services64Glossary66Numbers/Symbols66A-B67C-D68E-H69I-M70N-P71R-S72T-W73文件大小： 878.6 KB页数： 73Language: English打开用户手册
用户手册目录NI 783x R User Manual1Support2Worldwide Technical Support and Product Information2National Instruments Corporate Headquarters2Worldwide Offices2Important Information3Warranty3Copyright3Trademarks3Patents3WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS3Compliance4Contents5About This Manual7Conventions7Reconfigurable I/O Documentation8Related Documentation9Chapter 1 Introduction10About the NI 783x R10Using PXI with CompactPCI11Table 1-1. Pins Used by the NI PXI-783x R12Overview of Reconfigurable I/O12Reconfigurable I/O Concept12Flexible Functionality12User-Defined I/O Resources13Device-Embedded Logic and Processing13Reconfigurable I/O Architecture13Figure 1-1. High-Level FPGA Functional Overview13Reconfigurable I/O Applications14Software Development14LabVIEW FPGA Module14LabVIEW Real-Time Module15Cables and Optional Equipment16Table 1-2. Cables and Accessories16Custom Cabling17Safety Information18Chapter 2 Hardware Overview of the NI 783x R20Figure 2-1. NI 7830R Block Diagram20Figure 2-2. NI 7831R/7833R Block Diagram21NI 7830R Overview21NI 7831R/7833R Overview21Analog Input21Table 2-1. Ideal Output Code and AI Voltage Mapping22Input Modes22Table 2-2. Available Input Modes for the NI 783x R22Input Range23Connecting Analog Input Signals23Figure 2-3. NI 783x R Instrumentation Amplifier24Types of Signal Sources25Floating Signal Sources25Ground-Referenced Signal Sources25Input Modes25Figure 2-4. Summary of Analog Input Connections26Differential Connection Considerations (DIFF Input Mode)27Differential Connections for Ground-Referenced Signal Sources27Figure 2-5. Differential Input Connections for Ground-Referenced Signals28Differential Connections for Nonreferenced or Floating Signal Sources28Figure 2-6. Differential Input Connections for Nonreferenced Signals29Single-Ended Connection Considerations30Single-Ended Connections for Floating Signal Sources (RSE Input Mode)31Figure 2-7. Single-Ended Input Connections for Nonreferenced or Floating Signals31Single-Ended Connections for Grounded Signal Sources (NRSE Input Mode)31Figure 2-8. Single-Ended Input Connections for Ground-Referenced Signals32Common-Mode Signal Rejection Considerations32Analog Output33Table 2-3. Ideal Output Voltage and Input Code Mapping33Connecting Analog Output Signals33Figure 2-9. Analog Output Connections34Digital I/O34Connecting Digital I/O Signals34Figure 2-10. Example Digital I/O Connections36Table 2-4. DIO Signal Guidelines for the NI 783x R37RTSI Trigger Bus37PXI Local Bus (for NI PXI-783x R only)38Switch Settings39Figure 2-11. Switch Location on the NI PXI-783x R40Figure 2-12. Switch Location on the NI PCI-783x R41Figure 2-13. Switch Settings41Power Connections42Field Wiring Considerations43Chapter 3 Calibration44Loading Calibration Constants44Internal Calibration44External Calibration45Appendix A Specifications46Appendix B Connecting I/O Signals56Figure B-1. NI 783x R Connector Locations56Figure B-2. NI 783x R I/O Connector Pin Assignments57Table B-1. I/O Connector Signal Descriptions58Table B-2. NI 783xR I/O Signal Summary59Figure B-3. Connector Pinouts when Using NSC68-262650 Cable61Figure B-4. Connector Pinouts when Using the NSC68-5050 Cable62Appendix C Using the SCB-68 Shielded Connector Block63Figure C-1. General-Purpose Switch Configuration for the SCB-68 Terminal Block63Appendix D Technical Support and Professional Services64Glossary66Numbers/Symbols66A-B67C-D68E-H69I-M70N-P71R-S72T-W73文件大小： 878.6 KB页数： 73Language: English打开用户手册
