HP 54501A Service Manual

Errata

54501A Digitizing Oscilloscope Programming Reference
54501-90907

May 1989

Title & Document Type:

Manual Part Number:

Revision Date:

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Programming

Reference

HP

54501A

Digitizing

Oscilloscope

Printing History

editions

New

which

pages

title

page

A

software

the

of

Many

conversely,

issued

are

merged

be

to

change

code

software

product

manual

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product

updates

product changes.

between

Edition

product updates

1

complete

between

the

into

only

when

printed

be

may

at

and

corrections

Therefore,

revisions

editions,

manual

a

new

before

the

time

fixes do

may

do

not

and

manual

June

the

of

contain

by

the

edition

the

the

manual

not

require

be

done

expect

updates.

1989

manual.

Update

additional

customer.

is published.

this

date;

update

or

manual

without

a

one

accompanying

to

one

packages,

replacement

and

The

dates

on

indicates

the

issued.

was

changes

correspondence

and,

54501-90907

the

version

List

Effective

of

Pages

List

The

changed

pages

changed

made

were

a

edition

new

the

bottom

History

Pages

Effective

of

since

on

of

and

on

in

the

the

of

the

the

the

Pages gives

updates

last

edition

bottom

manual

and

pages

title

page.

to

of

that

the

is

the

the

date

edition.

is

indicated

page.

printed,

edition

new

Effective

the

of

Within the

printing

by

update

If

an

change

the

date

Date

current

edition

manual, any

the

date

is

incorporated when

dates

is listed

are

in

removed

the

and

page

changes

the

Printing

of

from

any

Product

Warranty

This

Hewlett-Packard

material

shipment.

its

For

service
service

products

Buyer's facility
area.

will

prior

travel

and

option,

warranty

facility

for

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performed

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agreement

expenses.

During

either

products

designated

product

workmanship

for

warranty

repair

service

designated

at

no

replace products

or

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installed

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Hewlett-Packard

charge

Hewlett-Packard

the

at

Buyer's

the

and

Buyer

a

has

warranty

period

a

period,

this

of

three years

Hewlett-Packard

product

Hewlett-Packard.

by

Hewlett-Packard

will

the

within

Hewlett-Packard service travel

faculty

pay

travel

only

Hewlett-Packard's

service

shall

against

defects

from

Company

that

must

prove

be

be

to

returned

However, warranty

and

certain

be

performed

warranty

areas,

Hewlett-Packard's

upon

in

date

of

will,

defective.

a

to

other

the

at

service

trip

round

at

products

For

Buyer
Hewlett-Packard

the

Buyer.

and

taxes

country.

Hewlett-Packard

returned

shall

prepay

However,

for

products returned

shall

warrants

Hewlett-Packard for

programming
Hewlett-Packard

software,

instructions

firmware

or

does

to

Hewlett-Packard for

shipping charges

shipping

pay

the

Buyer

shall

to

its

that

software and

use

not

will

with

instrument

an

properly installed

when

warrant

be

uninterrupted

warranty

to Hewlett-Packard

charges

to

all

shipping charges,

pay

return

Hewlett-Packard

firmware

will

execute

on

the

that

operation

or error-free.

service,

and

the

product

duties,

from another

designated

its

that

instrument.

the

of

instrument

the

to

by

Limitation

Warranty

of

foregoing

The

improper

software

outside

of the

improper

warranty

inadequate

or

interfacing,

or

environmental

site

preparation

shall

maintenance

unauthorized

apply

not

specifications

or maintenance.

defects

to

by the

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modification

the

for

resulting

or

product,

from

Buyer-supplied

misuse,

or

operation

NO

HEWLETT-PACKARD

IMPUED

FITNESS

Exclusive

Remedies

THE

AND

NOT

INCIDENTAL,

BASED ON

THEORY.

Assistance Product

agreements

For

Office.

Certification

Hewlett-Packard

specifications

Hewlett-Packard further

traceable to

extent

calibration

members.

OTHER WARRANTY

SPECIFICALLY

WARRANTIES OF

A

FOR

PARTICULAR

REMEDIES PROVIDED

EXCLUSIVE

BE

LIABLE

REMEDIES.

FOR

ANY

OR CONSEQUENTIAL

CONTRACT,

maintenance

are

assistance,

the

allowed

facilities

available for

contact

Company

the

at

time

United

by the

of

TORT,

agreements

nearest

your

certifies

shipment

of

certifies that

States

Bureau's

other International

IS

EXPRESSED OR

IMPUED.

DISCLAIMS

MERCHANTABILITY AND

PURPOSE.

BUYER'S

HEREIN

ARE

HEWLETT-PACKARD SHALL

DIRECT,

INDIRECT,

DAMAGES,

OR

other

and

Hewlett-Packard

Hewlett-Packard

that

from

its

National

calibration

OTHER LEGAL

ANY

customer

products.

this

product

factory.

the

calibration

Bureau

of

facility,

Standards

assistance

Sales

met

measurements

Standards, to

and

Organization

THE

SOLE

SPECIAL,

WHETHER

and Service

its

published

the

to

are

the

Safety

This

product

Safety

product

be

must

has

been

Requirements.

the

safe,

heeded.

information,

designed

To

ensure

tested

and

safe

cautions,

according

operation

and

warnings

to International

keep

and to

this

in

the

manual

Introduction

This

manual

Oscilloscope

instrument.

Chapter

program

concepts

Chapter

concepts

Chapter

compliance

describes

HP-IB.

Chapter

instrument as

manual.

alphabetic

Chapter

defined

that

are

Chapter

the basic

explains

and

It

1

this

to

2

of

3

the

4

how to

lists

the

is

divided

introduces

instrument

get

you

describes

HP-IB.

describes

with

the

status

the

covers

well as

This chapter

command

5 lists

the

by

IEEE

488.2.

common

6 lists

functions of

to

the

the

program

commands

17

chapters

into

the

to

you

provides

and

started

programming..

the

interface functions

the

operation

IEEE 4882

HP

queries

and

and

programming

some

of

instruments

standard.

reporting features

includes

which

in the

used

a complete

conventions

conventions

also

cross-reference.

Common Commands

These

all

IEEE

Root Level

the

commands

488.2

instruments.

Commands

instrument.

54501A Digitizing

associated

2

appendices.

required

syntax

programming

basic

and

some

that

chapter

This

are

are

used

available

to

program

that

remainder

command tree

which

control

which

the

are

some

control

this

with

general

operate

also

over

the

this

of

commands

functions

many

to

in

the

and

of

HP

54501A

Programming

Chapter

some

Chapter

parameters

Chapter

nulls

7 lists

basic

functions of the

lists

8

for

9 lists

(channel-to-channel

the

System

the

Acquire

acquiring

the

Calibrate

Subsystem

oscilloscope.

Subsystem

storing

and

Subsystem

skew).

Commands

Commands

data.

Commands

which

control

set

the

which

which set

Introduction-1

time

Chapter

all

Y-axis

Chapter

how

waveforms,

displayed

lists

10

the

oscilloscope

11

lists

the

voltage

and written

Channel

functions.

Display

and

the

on

Subsystem

Subsystem

time

markers,

screen.

Commands

Commands

graticule,

which

which

and

control

control

text

are

Chapter

the

Chapter

control

Chapter

the

Chapter

control

Chapter

the

Chapter

provide

channels and

memories.

Appendix

calculated

Appendix

from

12 lists

waveform

13

the

14

automatic

15 lists

all

X-axis

16

trigger

modes

17

access

A

and

B

the

HP

the

Function

functions of

math

lists

the

Hardcopy Subsystem

parameters

lists

the

Measure

measurements

the

Timebase

oscilloscope

lists

the

Trigger

and

lists

the

Waveform Subsystem Commands

to

waveform data,

functions

provides

contains

offers

details

some

example

54501A.

Subsystem

the

during

used

Subsystem

be

to

Subsystem

functions.

Subsystem

parameters

well

as

as

how automatic

on

tips

on

programs

Commands

oscilloscope.

printing

the

Commands

made.

Commands

Commands

each

for

including

static

data

how to

improve

using

Commands

of

waveforms.

trigger

active

from

which

mode.

data

waveform

measurements

results.

the

command

which

which

which

which

which

from

control

select

control

are

set

Introduction-2

the end of

At

commands

returned

for

easy reference

the

manual

queries

and

formats. Also,

of

commands

is

Quick

with their

the

at

end

Reference

corresponding

the

of

manual

functions.

and

Guide

arguments

is

lists

that

a

complete

Programming

the

and

HP

index

54501A

Contents

Introduction

Chapter

1:

Introduction

Introduction

Programming

Talking

Addressing
Program

Separator

Command

Query

Program

Program
Program

Selecting

Summary

Programming an

Initialization.............................................

Autoscale
Setting

Receiving
Response Header

Response

String

Numeric

Definite-Length

Multiple

Instrument
Digitize

to

Programming

................................................

Syntax

the

to

Message

.........................................

Instrument

the

Instrument

Syntax

...................................

................................................

Syntax

Command

Header
Data

Message

Multiple

...............................................

...............................................

the

Up

Information

Data Formats

Variables

Variables

Queries.........................................

Command

.........................................

.........................................

Options

............................................

Terminator

Subsystems

Oscilloscope

Instrument

from

Options

..................................

.........................................

.......................................

Block

Response

Status

........................................

.......................................

Oscilloscope

an

..................................

.................................

..................................

..............................

.............................

................................

.................................

the

Instrument

..................

................................

Data

......................

1-1

1-2

1-2

1-3

1-4

1-5

1-5

1-7
1-8
1-8
1-9

1-10
1-10

1-11

1-11

1-12

1-12

1-13

1-14

1-15

1-16

1-17

1-18
1-19

1-19
1-20

HP

54501A

Programming

Contents-1

Chapter

Chapter

2:

3:

Interface

Introduction

Interface

Command

Addressing

Remote,

Bus

Device

Group

Interface

Status

I——————————————————————————————————————

Message

Protocols

Functional

Protocol

Protocol

Protocol

Syntax

Syntax

Device

Device

Common

Status

Bit

Key

Serial

Parallel

Polling

Configuring
Conducting

Disabling

HP-IB Commands

Functions

................................................

Capabilities

and

Data

.................................................2-1

and

Local

Commands

Clear

Execute

Clear

Annunciators

Communication

...................................................3-1

Elements

Overview

Operation........................................

Exceptions

Diagrams

........................................

Concepts

.................................2-1

Lockout

Local

.............................2-2

.............................................

.............................................2-3

Trigger

(IFC)

(GET)

..............................2-3

......................................2-3

.........................................2-3

and

System Functions

......................................

........................................

.......................................3-3

............................................

Overview.............................................

Listening

Talking

Commands........................................

Reporting

Definitions

Features

Poll...............................................3-32

Poll

HP-IB

Syntax

Syntax

....................................3-8

....................................3-21

...........................................3-28

...........................................3-30

............................................

.............................................3-34

Devices.

Parallel

a

Parallel

Parallel

...................................3-36

Poll

Responses

Poll.................................3-37

Responses

Poll

........................

..........................3-37

.......................................3-37

2-1

2-1

2-3

3-1

3-2

3-2

3-5
3-5

3-27

3-31

3-36

Contents-2

HP

54501A

Programming

Chapter

Chapter

4:

5:

Programming

Introduction

Truncation

The

Command

Command

Traversal

Tree

Examples

Infinity
Sequential

Response

Notation Conventions and Definitions

Syntax Diagrams

Command

Program

Command

I————————————————————————————————————————

Common Commands

*CLS

*ESE

*ESR

Representation

Common

Root

Subsystem

......................................................5-4

......................................................5-5

......................................................5-7

*IDN

......................................................5-9

*IST

and

Documentation

................................................

Rules

............................................

Tree

Types

.........................................4-4

..........................................4-4

Rules

......................................4-5

................................................

Overlapped

and

Generation

Structure

Commands

Level

Commands

Commands

Examples

Set

Organization

.......................................4-6

Commands.

........................................4-7

............................................4-8

.........................................

......................................

....................................

.....................................

.........................................4-11

..................................4-12

Conventions

4-1

4-1

4-5

4-7

........................

4-7

..........................

4-9
4-9

4-9

4-9

......................................................5-10

*LRN.....................................................5-11

*OPC.....................................................5-12

*OPT

.....................................................5-13

*PRE

.....................................................5-14

*RCL.....................................................5-15

*RST

.....................................................5-16

*SAV

.....................................................5-18

*SRE

.....................................................5-19

*STB

.....................................................5-21

*TRG

*TST

....................................................5-23

.....................................................5-24

*WAI.....................................................5-25

HP

54501A

Programming

Contents-3

Chapter

Chapter

6:

7:

Root

Level

Commands

Introduction

AUToscale

BEEPer

BLANk

DIGitize

EOI

.......................................................6-8

ERASe

................................................6-1

.................................................6-4

....................................................6-5

....................................................6-6

...................................................6-7

....................................................6-9

LER......................................................6-10

LTER
MENU

MERGe

PRINt

RUN

SERial

STOP

STORe

TER

VIEW

I————————————————————————————————————————

System Subsystem

Introduction

DSP

....................................................6-11

...................................................6-12

..................................................6-13

....................................................6-14

.....................................................6-15

...................................................

.....................................................6-17

..................................................

.6-16

.6-18

......................................................6-19

....................................................6-20

................................................7-1

.......................................................7-3

ERRor.....................................................7-4

HEADer

...................................................7-6

KEY.......................................................7-7

LONGform.................................................7-9

SETup

....................................................7-10

Contents-4

HP

54501A

Programming

Chapter

Chapter

Chapter

Chapter

8:

9:

10:

11:

Acquire

Introduction

(Normal)

Averaging
Envelope

Subsystem

................................................8-1

Persistence Mode

Mode

Mode

............................................8-2

...................................8-1

.............................................8-2

COMPlete..................................................8-4

COUNt

POINts

TYPE

....................................................8-5

....................................................8-6

.....................................................8-7

I——————————————————————————————————————

Calibrate

Introduction

Subsystem

................................................9-1

TNUL1.....................................................9-2

I——————————————————————————————————————

Channel

Introduction

COUPling

ECL

HFReject

OFFSet

PROBe

RANGe

TTL

Subsystem

...............................................

................................................

......................................................10-4

10-1

.10-3

10-5

.................................................

...................................................10-6

...................................................

..................................................

10-7

.10-8

10-9

......................................................

I————————————————————————————————————————

Display

Introduction

COLumn

CONNect

DATA

FORMat

GRATicule

INVerse..................................................

LINE

MASK

PERSistence

Subsystem

...............................................

..................................................

.................................................

...................................................

..................................................11-8

................................................

....................................................11-11

...................................................

11-1

11-4

11-5

.11-6

11-9

11-10

11-12
11-14

..............................................

HP

54501A

Programming

Contents-5

Chapter

Chapter

Chapter

Contents-6

12:

13:

14:

ROW

....................................................11-15

SCReen

SOURce

STRing

TEXT

TMARker
VMARker

I————————————————————————————————————————

Function Subsystem

Introduction

ADD

INVert

..................................................

................................................

..................................................11-18

...................................................

................................................

.'...............................................

...............................................

.....................................................

...................................................

MULTiply................................................

OFFSet

ONLY

RANGe

SUBTract

VERSUS

...................................................12-7

....................................................

..................................................

................................................

11-16

.11-17

11-19

11-20

11-21

12-1

12-4

.12-5

.12-6

12-8

.12-9

12-10

12-11

.................................................

I——————————————————————————————————————

Hardcopy

Introduction

LENGth

PAGE

I————————————————————————————————————————

Measure

Introduction
Measurement

User-Defined

Measurement

Making

ALL

COMPare

CURSor

DEFine

DELay...................................................

DESTination

DUTycycle

ESTArt

Subsystem

...............................................

.................................................

....................................................13-3

Subsystem

...............................................

Setup

........................................

Measurements.................................

Error.........................................

Measurements

......................................

.....................................................

................................................

................................................

.14-14

..................................................14-15

............................................

..............................................

.14-18

.14-19

.14-20

13-1

.13-2

14-1
14-1
14-1
14-2

14-2

14-11
14-12

14-17

.................................................

HP

54501A

Programming

ESTOp

.................................................

FALLtime................................................14-24

FREQuency

LIMittest................................................

LOWer

MODE

NWIDth

OVERshoot

PERiod

POSTfailure

PRECision

..............................................

.................................................

.................................................

.................................................14-29

.............................................

..................................................14-31

..............................................14-32

..............................................

PREShoot...............................................

PWIDth..................................................14-35

RESults

RISetime

SCRatch

SOURce

STATistics

.................................................

.................................................

.................................................14-38

................................................

...............................................14-40

TDELta..................................................

TMAX...................................................

TMIN

TSTArt
TSTOp

TVOLt

UNITs

UPPer
VAMPlitude

...................................................14-43

..................................................14-44

..................................................14-45

..................................................14-46

...................................................14-48

..................................................

.............................................

VAVerage...............................................

VBASe

VDELta

VFIFty

VMAX

VMIN

VPP

VRELative

VRMS

VSTArt

VSTOp

VTIMe

VTOP

.................................................

................................................

...................................................

.................................................

...................................................14-56

.....................................................14-57

...............................................

...................................................14-60

.................................................

.................................................

..................................................14-63

...................................................14-64

.14-22

14-25

.14-26

.14-27

.14-28

.14-30

.14-33
.14-34

.14-36

14-37

.14-39

14-41

14-42

.14-49

.14-50
.14-51

.14-52
.14-53

14-54

.14-55

14-58

.14-61

.14-62

HP

54501A

Programming

Corrtents-7

Chapter

Chapter

15:

16:

Timebase

Introduction

Subsystem

15-1

...............................................

DELay....................................................15-3

MODE

RANGe

REFerence

WINDOW

...................................................

...................................................

................................................

..................................................

WINDowDELay...........................................

WINDowRANGe

15-4
15-5

15-6
15-7

15-8
15-9

..........................................

I——————————————————————————————————————

Trigger Subsystem

Introduction

The

EDGE

The

Pattern

The

State Trigger

Trigger

Delay

The

TV

Trigger

The

CONDition

...............................................

Trigger

Trigger

Mode

Mode

Mode

Mode

Mode

...................................

...................................

.....................................

....................................

......................................

16-1
16-3
16-4

16-5

16-6
16-7

16-13

...............................................

DELay...................................................16-16

DELaySLOPe
DELay:SOURce

FIELd

HOLDoff

LEVel

LINE

LOGic

MODE

Occurrence

OCCurrence:SLOPe
OCCurrence:SOURce

PATH

POLarity

...................................................16-19

...................................................

....................................................16-22

...................................................

...................................................16-28

...........................................

.........................................

...............................................

.................................................

..............................................

......................................

.....................................

................................................

QUALify................................................

SLOPe

SOURce

STANdard

..................................................

................................................

..............................................

.16-17

.16-18

.16-20

16-21

16-23

.16-24

16-25

.16-26

16-27

.16-29
.16-30
.16-32

.16-33

.16-34

Contents-8

HP

54501A

Programming

Chapter

17:

Waveform

Introduction

Data

Normal

Average
Envelope

Data Conversion

Conversion

Conversion

Data Format

WORD

BYTE

COMPRESSED

ASCII

COUNt

DATA

FORMat

POINts

PREamble

SOURce

TYPE

XINCrement

XORigin

XREFerence

YINCrement.............................................

YORigin

YREFerence

Subsystem

Acquisition

...............................................

Types

.....................................

.................................................

................................................

...............................................

from Data

from

for HP-IB

Format

Format

Format

...........................................

Value to
Value

Data

Transfer

.........................................

...........................................

Format

...........................................

Voltage

Time

to

.....................

.......................

.............................

..................................

...................................................

...................................................17-10

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..................................................17-13

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...................................................17-17

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17-1

17-2

17-2

17-3

17-3

17-4

17-4
17-4

17-5

.17-5

17-6

17-6

17-6

17-9

17-12

.17-14

.17-16

.17-18

.17-19

17-20

.17-21
.17-22

.17-23

HP

54501A

Programming

Contents-9

Appendix

Appendix

A:

B:

Algorithms

Introduction

Measurement

Making

Automatic

Edge

Definition

Algorithm

delay

+

width

-

width

Period
Frequency

Duty

Risetime

Falltime

Vmax

Vmin

Vp-p

Vtop

Vbase

Vamp

Vavg

Vrms

I————————————————————————————————————————

Example Programs

Introduction

Vertical Channel

Timebase

Measurement

Digitize

Hardcopy

Waveform

...............................................

Setup

Measurements

Top-Base

Definitions

........................................

......................................

........................................

............................................

.......................................

...................................................A-3

................................................A-4

.................................................A-5

..................................................A-5

..............................................A-5

Cycle

..............................................A-5

................................................

................................................

..................................................A-5

...................................................A-5

...................................................

...................................................A-5

..................................................A-6

..................................................A-6

...................................................A-6

...................................................

...............................................

Program

Setup

Program

Program

Template

Setup Program

.........................................

Program

...........................................

(Service

Program

..............................

................................

using

Request

OPC)

..............

...............................

A-l

A-l

A-l

A-2
A-2
A-3

A-5
A-5

A-5

A-6

B-l

B-2

B-4

B-6

B-9

B-ll

B-12

Contents-10

Quick

Index

Reference

Guide

HP

54501A

Programming

Introduction

Introduction

to

Programming

chapter

This

communication

programming.

chapters

introduces

5

through

and

The

you to

provides

exact

17.

an

basic

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information

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trigger

level

waveforms

of

digitizing

the

instrument.

oscilloscopes

setting

by

up

the

Setting

the

Instrument

The

:AUTOSCALE

A

Up

typical oscilloscope

voltage,

trigger level,

oscilloscope

:CHANNEL1:RANGE

:TIMEBASE:RANGE

:TRIGGER:LEVEL

This

at

0.25

timebase

trigger

syntax for

the

horizontal

are:

example

The

V.

mode

at

0.25

Autoscale

<

terminator

>

setup

range,

A

slope.

and

0.64;OPPSET

1E-6;DELAY

0.25;SLOPE

the

sets

vertical

horizontal time

is

volts

set

on

triggered,

to

positive

a

is:

the

set

time,

<

terminator

<

terminator

volts

full-scale

ms

the

vertical

delay

of

full-scale

trigger

would

delay

example

typical

0.25

20E-9;MODE TRIGGERED

POSITIVE

0.64

to

1

is

and

slope.

range

reference,

the

commands

>

>

(80

20

with

circuit

offset

and

trigger

sent to

<

terminator

mV/div)

delay.

ns

is

programmed

mode,

the

>

centered

The

to

Introduction to Programming

1-12

Oscilloscope

an

HP 54501A

Programming