Hp E1459A Manual do Utilizador descarregar pdf (Página 2)

Contents

Contents 1

Warranty ....................................................................................................................... 5

Safety Symbols .............................................................................................................6

WARNINGS................................................................................................................. 6

Declaration of Conformity............................................................................................ 7

Reader Comment Sheet ................................................................................................ 9

Chapter 1

Installing and Configuring the HP E1459A ..............................................................11

Functional Description................................................................................................ 11

Watchdog Timer .................................................................................................. 14

Input Level Selection .......................................................................................... 14

Input Isolation .....................................................................................................14

Input Debounce Processing ................................................................................. 14

Input Edge Detection ........................................................................................... 15

Input Data Capture .............................................................................................. 17

Front Panel Markers ............................................................................................ 18

Interrupt Driven or Polled Mode Operations ...................................................... 18

Interrupt Parsing .................................................................................................. 18

Configuring for Installation ........................................................................................ 19

Setting the Logical Address ................................................................................ 20

Setting the Interrupt Priority ...............................................................................20

Setting Input Threshold Levels ...........................................................................21

Setting the Reset Time on the Watchdog Timer .................................................21

Connecting User Inputs .......................................................................................22

Installing the HP E1459A in a VXIbus Mainframe ............................................ 24

Terminal Block .................................................................................................... 25

Wiring a Terminal Block ..................................................................................... 26

Chapter 2

Using the HP E1459A Module ....................................................................................29

Power-on / Reset States .............................................................................................. 30

Example 1: Reset, Self Test, and Module ID ...................................................... 30

Example 2: Digital Input ..................................................................................... 32

Edge Detected Event Detection ..................................................................................34

Example 3: Edge Interrupt ..................................................................................37

HP E1459A 64-Channel Isolated Input Interrupt Module

Edition 3

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Hp E1459A Manual do Utilizador Página 2