HP E1459A manual

Contents

HP E1459A 64-Channel Isolated Input Interrupt Module

	Edition 3
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

Contents 1