HP HP VXI - Manual

HP HP VXI

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Table of Contents:

  • Page 3 – Printing History
  • Page 4 – This Page Intentionally Left Blank
  • Page 5 – Chapter 1; Introduction; Note
  • Page 7 – Chapter 2; Programming the Status System; About this Chapter; General Status Register Model
  • Page 10 – Required Status Groups
  • Page 11 – Status Byte
  • Page 12 – Standard Event
  • Page 13 – Standard Operation
  • Page 14 – Questionable Data
  • Page 15 – Status System Programming Examples; Handling SRQs
  • Page 16 – ireadstb returns the RQS; Example Program
  • Page 18 – Using a Service
  • Page 23 – Chapter 3; Command Reference
  • Page 24 – event
  • Page 25 – Comments; Example
  • Page 28 – Common Command Reference
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Contents

Programming HP VXI Instruments

Common Commands and the Status System

Edition 1

Contents

1

Chapter 1

Introduction .................................................................................................................... 5

Chapter 2

Programming the Status System .................................................................................. 7

About this Chapter ........................................................................................................ 7
General Status Register Model ..................................................................................... 7

Condition Register ................................................................................................. 8
Transition Filter ..................................................................................................... 8
Event Register ....................................................................................................... 8
Enable Register ..................................................................................................... 8
An Example Sequence .......................................................................................... 8

Required Status Groups .............................................................................................. 10

Status Byte ........................................................................................................... 11
Standard Event Group ......................................................................................... 12
Standard Operation Status Group ........................................................................ 13
Questionable Data Group .................................................................................... 14

Status System Programming Examples ...................................................................... 15

Handling SRQs .................................................................................................... 15
Using MAV to Determine When Data is Available ............................................ 15

Example Program ......................................................................................... 16

Using a Service Request to Detect Errors ........................................................... 18

Example Program ......................................................................................... 19

Chapter 3

Command Reference ................................................................................................... 23

About this Chapter ...................................................................................................... 23
STATus ....................................................................................................................... 24

Subsystem Syntax ......................................................................................... 24

:OPERation :CONDition? ................................................................................... 24

Comments ..................................................................................................... 24
Example ........................................................................................................ 24

:OPERation:ENABle ........................................................................................... 24

Parameters ..................................................................................................... 24
Comments ..................................................................................................... 24
Example ........................................................................................................ 24

:OPERation:ENABle? ......................................................................................... 25

Comments ..................................................................................................... 25
Example ........................................................................................................ 25

:OPERation[:EVENt]? ........................................................................................ 25

Comments ..................................................................................................... 25
Example ........................................................................................................ 25

:PRESet ............................................................................................................... 25

Example ........................................................................................................ 25

:QUEStionable :CONDition? .............................................................................. 25

Comments ..................................................................................................... 26

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Summary

Page 3 - Printing History

3 This document contains proprietary information which is protected by copyright. All rights are reserved. No part of this document may be photocopied, reproduced, or translated to another language without the prior written consent of Hewlett-Packard Company. E2090-90021 Notice The information conta...

Page 4 - This Page Intentionally Left Blank
Page 5 - Chapter 1; Introduction; Note

Introduction 5 Chapter 1 Chapter 1 Introduction This document describes the common commands and the status system used by VXI instruments. The status system is a group of registers that can be used to monitor events, such as when an error occurs or when a reading is available from a specified instru...

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