Document Outline

• NI PCI-8254R User Manual
• Important Information
  • Warranty
  • Copyright
  • Trademarks
  • Patents
  • WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS
• Compliance
• Conventions
• Contents
• Chapter 1 Introduction
  • Software Overview
    • Vision Builder for Automated Inspection
    • Vision Development Module
  • IEEE 1394 and NI 8254R
  • Functional Overview
    • Figure 1-1. NI 8254R Block Diagram
  • Start Conditions
  • Acquisition Window Control
• Chapter 2 Hardware Overview
  • Digital I/O
  • RIO and The LabVIEW FPGA Module
  • TTL Inputs and Outputs
    • Table 2-1. NI 8254R TTL Inputs and Outputs
  • Isolated Inputs and Outputs
    • Table 2-2. NI 8254R Isolated Inputs and Outputs
  • I/O for Normal Operation
    • Trigger Inputs
    • Timed Pulse Output
      • Initiating a Timed Pulse
      • Figure 2-1. Output pulse resulting from trigger selection
      • Pulse Modes
      • Pulse Delay
      • Pulse Width
      • Trigger Polarity
      • Figure 2-2. Output pulse generator
      • Figure 2-3. High and low pulse train
    • Trigger Change Detectors
    • Quadrature Encoder
      • Figure 2-4. Rising edge trigger and low pulse
    • Product Selection Port
      • Using ISO Input 5 as a Latch
      • Table 2-3. NI 8254R Product Selection Ports
    • General-Purpose I/O
      • General-Purpose Inputs
      • General-Purpose Outputs
    • I/O for Fault Conditions
      • Table 2-4. Fault Condition Behavior
      • Shutdown
      • Watchdog Timer
  • Considerations When Connecting the Digital I/O
    • Wiring an Isolated Input to a Sourcing Output Device
      • Figure 2-5. Connecting isolated input to a sourcing output device
    • Wiring an Isolated Output to an External Load
      • Figure 2-6. Digital output sources current to external loads
    • Protecting Inductive Loads
      • Figure 2-7. External flyback diode to protect inductive loads
    • Transmission Line Effects
      • Figure 2-8. Connections to the 44-pin D-SUB connector
• Chapter 3 Signal Connections
  • Table 3-1. NI 8254R Connector Functions
  • Connectors
    • 2-Position Isolated Outputs Power Connector
      • Figure 3-1. NI 8254R Isolated Power Connector
      • Table 3-2. Power Connector Terminals
    • IEEE 1394a Connector
    • General-Purpose Digital I/O
      • Figure 3-2. NI 8254R 44-Pin D-SUB Connector
      • Table 3-3. Signal Connections
  • Cabling
    • IEEE 1394 Camera Cables
    • I/O Terminal Block
    • NI Vision I/O Terminal Block and Prototyping Accessory
  • Power Requirements
    • Isolated Outputs Power Connector
      • Figure 3-3. NI 8254R Isolated Power Connector
      • Table 3-4. Power Connector Terminals
• Appendix A Technical Support and Professional Services
• Glossary
  • A-F
  • H-P
  • Q-V
• Index
  • A-L
  • N-S
  • T-W