National Instruments NI 2590/2591 Figure2-1. NI2590 Module Block Diagram

Chapter2 NI2590/2591 Operation

©NationalInstruments Corporation 2-3 NI2590/2591 User Manual

Figure2-1. NI2590 Module Block Diagram

CH1

COM

CH2

CH0

CH3

FrontPanel

Triggers

ScanMemory

MUX23

MUX0123

MUX01

RelayControl PXI

Interface

PXIbusConnector

Contents

Main Page Important Information Warranty Copyright Trademarks WARNINGREGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS Compliance FCC/Canada Radio Frequency Interference Compliance* Determining FCC Class FCC/DOC Warnings Class A European Union - Compliance to EEC Directives Conventions Contents Page Routing Signals with Your NI 2590/2591 About the NI 2590/2591 Triggers RF Switching Precautions Contact Protection Connecting Signals NI 2590 Front Connector NI 2591 Front Connector Software Choices NI-SWITCH Driver Software National Instruments Application Software Page NI 2590/2591 Operation Safety Instructions Functional Overview Figure2-1. NI2590 Module Block Diagram Figure2-2. NI2591 Module Block Diagram Relay Operation NI 2590 Operation NI 2591 Operation Switch Control Circuitry Random Scanning PXI Interface PXI Triggers External TriggerInput Scanner Advanced Modes Initiating Scanning Multiboard Triggering Page A Specifications NI 2590 Input Characteristics RF Performance Characteristics Dynamic Characteristics PXI Bus Interface Page NI 2591 Input Characteristics RF Performance Characteristics Dynamic Characteristics Power Requirement Physical Environment Page B Servicing Your Module Replacing the NI 2590 Relay Module Replacing the NI 2591 Relay Module Page C Common Questions Page D Technical Support Resources Web Support NI Developer Zone Customer Education System Integration Worldwide Support Glossary Numbers and Symbols A B C D E Page R S T V W Index B C D E O P Q R S T W