National Instruments NI PCI-1426 Hardware Overview

© National Instruments Corporation 2-1 NIPCI-1426 User Manual

Hardware Overview

This chapter provides an overview of NI 1426 hardware functionality and

explains the operations of the NI 1426 functional units.

Functional Overview

The NI 1426 features a flexible, high-speed data path optimized for

receiving and formatting video data from Camera Link cameras.

Figure 2-1 illustrates the key functional components of the NI 1426.

Figure 2-1. NI 1426 Block Diagram

Data

MDR 26-Pin Connector

Channel

Link

Receiver

Enables

Pixel

Clock

Camera

Control

UART

PCI Bus

PCI Interface

and

Scatter-Gather

DMA Controllers

Data SDRAM

Interface

Synchronous Dynamic RAM

Advanced

Timing

Acquisition,

ROI, and Triggering

External Triggers

Pixel Clock and Camera Enables

RTSI Bus

Data

Differential

Converter

15-Pin D-SUB

Serial

Control

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 Conventions Contents Chapter 1 Introduction Chapter 2 Hardware Overview Chapter 3 Signal Connections Page Introduction Software Overview NI-IMAQ Driver Software National Instruments Application Software Vision Builder for Automated Inspection Vision Development Module Integration with DAQ and Motion Camera Link Overview National Instruments Corporation 2-1 NIPCI-1426 User Manual Hardware Overview 15-Pin D-SUB PCI Bus MDR 26-Pin Connector Figure 2-1. NI 1426 Block Diagram Camera Link and the NI 1426 Base Configuration Data Transmission Hardware Binarization Multiple-Tap Data Formatter SDRAM Trigger Control and Mapping Circuitry Wiring an Isolated Input to Output Devices Figure 2-4. Example of Connecting an Isolated Input to a Sinking Output Device Connecting to a Quadrature Encoder Figure 2-5. Example of Connecting Differential Line Drivers High-Speed Timing Acquisition and Region of Interest (ROI) Scatter-Gather DMA Controllers Bus Master PCI Interface Start Conditions Serial Interface Page Connectors This section describes the MDR 26-pin connector and the 15-pin D-SUB connector on the NI 1426. Figure 3-2. MDR 26-Pin Connector Assignments MDR 26-Pin Connector 15-pin D-SUB Connector Connector Signal Connection Descriptions A Cabling 15-Pin D-SUB Cable Specifications Camera Link Cables Ordering Information B Technical Support and Professional Services Page Glossary A B C Page Q R S T V Index Numerics A B C I K L M N S T W X