National Instruments NI 783xR Hardware Overview of the NI 783xR

© National Instruments Corporation 2-1 NI 783xR User Manual

Hardware Overview of the NI 783xR

This chapter presents an overview of the hardware functions and

I/O connectors on the NI 783xR.

Figure 2-1 shows a block diagram for the NI 7830R. Figure 2-2 shows a

block diagram for the NI 7831R/7833R.

Figure 2-1. NI7830R Block Diagram

AI+

AI–

PCI/PXI/CompactPCI Bus

Input Mux

Instrumentation

Amplifier

Input Mode Mux

AISENSE

AIGND

16-Bit

DAC

x4 Channels

Configuration

Flash

Memory

User-

Configurable

FPGA on RIO

Devices

Bus

Interface

Connector 1 (DIO)

Data/Address/

Control

Digital I/O (16)

Digital I/O (40)

Calibration

DACs Configuration

Control

Connector 0 (MIO)

Calibration

DACs

Voltage

Reference

–

16-Bit

ADC

Temperature

Sensor

Calibration

Mux

RTSI/PXI Triggers

RTSI Bus

Address/Data

Control

PXI Local Bus (NI PXI-783

R only)

Contents

Main Page Important Information Warranty Copyright Trademarks Patents Compliance Compliance with FCC/Canada Radio Frequency Interference Regulations Determining FCC Class FCC/DOC Warnings Class A Contents About This Manual Chapter 1 Introduction Chapter 2 Hardware Overview of the NI 783xR Page About This Manual Conventions Reconfigurable I/O Documentation Related Documentation Introduction About the NI 783xR Using PXI with CompactPCI Overview of Reconfigurable I/O Reconfigurable I/O Concept Flexible Functionality User-Defined I/O Resources Device-Embedded Logic and Processing Reconfigurable I/O Architecture Reconfigurable I/O Applications Software Development LabVIEW FPGA Module LabVIEW Real-Time Module Cables and Optional Equipment Custom Cabling Safety Information Page National Instruments Corporation 2-1 NI 783xR User Manual Hardware Overview of the NI 783xR RTSI/PXI Triggers Connector 0 (MIO) PCI/PXI/CompactPCI Bus Figure 2-1. NI7830R Block Diagram NI 7830R Overview NI 7831R/7833R Overview Analog Input User- Configurable FPGA on RIO Devices Connector 0 (MIO) Input Modes Input Range Connecting Analog Input Signals Page Types of Signal Sources Floating Signal Sources Ground-Referenced Signal Sources Input Modes Figure 2-4. Summary of Analog Input Connections Differential Connection Considerations (DIFF Input Mode) Differential Connections for Ground-Referenced Signal Sources Differential Connections for Nonreferenced or Floating Signal Sources Page Single-Ended Connection Considerations Single-Ended Connections for Floating Signal Sources (RSE Input Mode) Single-Ended Connections for Grounded Signal Sources (NRSE Input Mode) Common-Mode Signal Rejection Considerations Analog Output Connecting Analog Output Signals Digital I/O Connecting Digital I/O Signals Page Page RTSI Trigger Bus PXI Local Bus (for NI PXI-783xR only) Switch Settings Page Page Power Connections Field Wiring Considerations Calibration Loading Calibration Constants Internal Calibration External Calibration A Specifications Analog Input Input Characteristics Accuracy Information DC Transfer Characteristics Dynamic Characteristics Settling Time Analog Output Output Characteristics Accuracy Information DC Transfer Characteristics Voltage Output Dynamic Characteristics Digital I/O Reconfigurable FPGA Calibration Bus Interface Power Requirement Physical Maximum Working Voltage Environmental Operating Environment Storage Environment Shock and Vibration (for NI PXI-783xR Only) Safety Electromagnetic Compatibility CE Compliance B Connecting I/O Signals Appendix B Connecting I/O Signals NI 783xR User Manual B-2 ni.com Figure B-2. NI783xR I/O Connector Pin Assignments NI7 83xR DIO NI 7830R MIO NI 7831R/7833R MIO Caution Connections that exceed any of the maximum ratings of input or output signals Table B-1. I/O Connector Signal Descriptions Connecting to CompactRIO Extension I/O Chassis Table B-2. NI783xR I/O Signal Summary Connecting to 5B and SSR Signal Conditioning Figure B-3. Connector Pinouts when Using NSC68-262650 Cable AO 07 Connector AI 07 Connector DIO 015 Connector Figure B-4. Connector Pinouts when Using the NSC68-5050 Cable DIO 023 Connector DIO 2439 Connector C Using the SCB-68 Shielded Connector Block D Technical Support and Professional Services Page Glossary Numbers/Symbols A B C D Page I L M N O P R S T V W