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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