Measurement Specialties PCI-2513 用户手册

Table of Contents

Preface

About this User's Guide .......................................................................................................................7

What you will learn from this user's guide .........................................................................................................7

Conventions used in this user's guide .................................................................................................................7

Where to find more information .........................................................................................................................7

Chapter 1

Introducing the PCI-2513......................................................................................................................8

Overview: PCI-2513 features .............................................................................................................................8

Software features ................................................................................................................................................8

Chapter 2

Installing the PCI-2513..........................................................................................................................9

What comes with your PCI-2513 shipment? ......................................................................................................9

Hardware .......................................................................................................................................................................... 9

Optional components ........................................................................................................................................................ 9

Additional documentation................................................................................................................................................10

Unpacking the PCI-2513 ..................................................................................................................................10

Installing the software ......................................................................................................................................10

Installing the PCI-2513.....................................................................................................................................10

Configuring the hardware.................................................................................................................................11

Connecting the board for I/O operations ..........................................................................................................11

Connectors, cables – main I/O connector.........................................................................................................................11

Pinout – main I/O connector ............................................................................................................................................12

Cabling .............................................................................................................................................................12

Field wiring and signal termination .................................................................................................................................13

Chapter 3

Functional Details ...............................................................................................................................14

PCI-2513 block diagram...................................................................................................................................14

Synchronous I/O – mixing analog, digital, and counter scanning ....................................................................14

Bus mastering DMA.........................................................................................................................................15

Analog input .....................................................................................................................................................15

Analog input scanning .....................................................................................................................................................15

Digital I/O.........................................................................................................................................................16

Digital input scanning ......................................................................................................................................................16

Digital outputs and pattern generation .............................................................................................................................16

Triggering .........................................................................................................................................................16

Hardware analog triggering .............................................................................................................................................16

Digital triggering..............................................................................................................................................................17

Software-based triggering................................................................................................................................................17

Stop trigger modes ...........................................................................................................................................................17

Pre-triggering and post-triggering modes ........................................................................................................................18

Counter inputs ..................................................................................................................................................18

Mapped channels .............................................................................................................................................................19

Counter modes .................................................................................................................................................................19

Debounce modes..............................................................................................................................................................20

Timer outputs....................................................................................................................................................23

Example: Timer outputs...................................................................................................................................................23

Multiple PCI-2513s per PC ..............................................................................................................................23

Using detection setpoints for output control.....................................................................................................24