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HP

6034A

SYSTEM

i?i

%i

;i

if

i¥i

n

ini

y*

i.

DC

POWER

SUPPLY

CERTIFICATION

Hewlett-Packard

Company

certifies

that

this

product

met

its

published

specifications

at

the

time

of

shipment

from

the

factory.

Hewlett-Packard

further

certifies

that

its

calibration

measurements

are

traceable

to

the

United

States

National

Bureau

of

Standards,

to

the

extent

allowed

by

the

Bureau's

calibration

facility,

and

to

the

calibration

facilities

of

other

International

Standards

Organization

members.

WARRANTY

This

Hewlett-Packard

instrument

product

is

warranted

against

defects

in

material

and

workmanship

for

a

period

of

one

year

from

date

of

shipment.

During

the

warranty

period,

Hewlett-Packard

Company

wilt,

at

its

option,

either

repair

or

replace

products

which

prove

to

be

defective.

For

warranty

service

or

repair,

this

product

must

be

returned

to

a

service

facility

designated

by

HP.

Buyer

shall

prepay

shipping

charges

to

HP

and

HP

shall

pay

shipping

charges

to

return

the

product

to

Buyer,

However,

Buyer

shall

pay

all

shipping

charges,

duties,

and

taxes

for

products

returned

to

HP

from

another

country.

HP

warrants

that

its

software

and

firmware

designated

by

HP

for

use

with

an

instrument

will

execute

its

programm¬

ing

instructions

when

properly

installed

on

that

instrument.

HP

does

not

warrant

that

the

operation

of

the

instru¬

ment,

or

software,

or

firmware

will

be

uninterrupted

or

error

free.

LIMITATION

OF

WARRANTY

The

foregoing

warranty

shall

not

apply

to

defects

resulting

from

improper

or

inadequate

maintenance

by

Buyer,

Buyer-supplied

software

or

interfacing,

unauthorized

modification

or

misuse,

operation

outside

of

the

environmen¬

tal

specifications

for

the

product,

or

improper

site

preparation

or

maintenance.

NO

OTHER

WARRANTY

IS

EXPRESSED

OR

IMPLIED.

HP

SPECIFICALLY

DISCLAIMS

THE

IMPLIED

WARRAN¬

TIES

OF

MERCHANTABILITY

AND

FITNESS

FOR

A

PARTICULAR

PURPOSE.

EXCLUSIVE

REMEDIES

THE

REMEDIES

PROVIDED

HEREIN

ARE

BUYER'S

SOLE

AND

EXCLUSIVE

REMEDIES.

HP

SHALL

NOT

BE

LIABLE

FOR

ANY

DIRECT,

INDIRECT,

SPECIAL,

INCIDENTAL,

OR

CONSEQUENTIAL

DAMAGES,

WHETHER

BASED

ON

CONTRACT,

TORT,

OR

ANY

OTHER

LEGAL

THEORY.

ASSISTANCE

Product

maintenance

agreements

and

other

customer

assistance

agreements

are

available

for

Hewlett-Packard

pro¬

ducts.

For

any

assistance,

contact

your

nearest

Hewlett-Packard

Sales

and

Service

Office.

Addresses

are

provided

at

the

back

of

this

manual.

.

HEWLETT

PACKARD

A

OPERATING

AND

SERVICE

MANUAL

FOR

AL

NUMBERS

For

instruments

with

Serial

Numbers

below

2231A-00831,

check

Appendix

C.

For

instruments

with

Serial

Numbers

above

2231A

00831,

a

change

page

may

be

included.

SAFETY

SUMMARY

The

following

general

safety

precautions

must

be

observed

during

all

phases

of

operation,

service,

and

repair

of

this

instru¬

ment.

Failure

to

comply

with

these

precautions

or

with

specific

warnings

elsewhere

in

this

manual

violates

safety

standards

of

design,

manufacture,

and

intended

use

of

the

instrument.

Hewlett-Packard

Company

assumes

no

liability

for

the

customer's

failure

to

comply

with

these

requirements.

BEFORE

APPLYING

POWER.

Verify

that

the

product

is

set

to

match

the

available

line

voltage

and

the

correct

fuse

is

installed.

GROUND

THE

INSTRUMENT.

This

product

is

a

Safety

Class

1

instrument

(provided

with

a

protective

earth

terminal).

To

minimize

shock

hazard,

the

in¬

strument

chassis

and

cabinet

must

be

connected

to

an

elec¬

trical

ground.

The

instrument

must

be

connected

to

the

ac

power

supply

mains

through

a

three-conductor

power

cable,

with

the

third

wire

firmly

connected

to

an

electrical

ground

(safety

ground)

at

the

power

outlet.

For

instruments

designed

to

be

hard-wired

to

the

ac

power

tines

(supply

mains),

connect

the

protective

earth

terminal

to

a

protective

conductor

before

any

other

connection

is

made.

Any

interruption

of

the

protec¬

tive

(grounding)

conductor

or

disconnection

of

the

protective

earth

terminal

will

cause

a

potential

shock

hazard

that

could

result

in

personal

injury.

If

the

instrument

is

to

be

energized

via

an

external

autotransformer

for

voltage

reduction,

be

certain

that

the

autotransformer

common

terminal

is

connected

to

the

neutral

(earthed

pole)

of

the

ac

power

lines

(supply

mains).

INPUT

POWER

MUST

BE

SWITCH

CONNECTED.

For

instruments

without

a

built-in

line

switch,

the

input

power

lines

must

contain

a

switch

or

another

adequate

means

for

disconnecting

the

instrument

from

the

ac

power

lines

(supply

rnains).

This

instrument

may

be

equipped

with

a

line

filter

to

reduce

electromagnetic

interference

and

must

be

connected

to

a

pro

perly

grounded

receptacle

to

minimize

electric

shock

hazard.

Operation

at

line

voltages

or

frequencies

in

excess

of

those

stated

on

the

data

plate

may

cause

leakage

currents

in

excess

of

5.0

mA

peak.

Instruction

manual

symbol:

the

product

will

be

marked

with

this

symbol

when

it

is

necessary

for

the

user

to

refer

to

the

instruction

manual

(refer

to

Table

of

Contents).

Indicates

hazardous

voltages.

Indicate

earth

(ground)

termina

WARNING

The

WARNING

sign

denotes

a

hazard.

It

calls

attention

to

a

procedure,

practice,

or

the

like,

which,

if

not

correctly

per¬

formed

or

adhered

to,

could

result

in

personal

injury.

Do

not

proceed

beyond

a

WARNING

sign

until

the

indicated

conditions

are

fully

understood

and

met.

Do

not

operate

the

instrument

in

the

presence

of

flammable

gases

or

fumes.

KEEP

AWAY

FROM

LIVE

CIRCUITS.

Operating

personnel

must

not

remove

instrument

covers.

Component

replacement

and

internal

adjustments

must

be

made

by

qualified

service

personnel.

Do

not

replace

com

ponents

with

power

cable

connected.

Under

certain

condi¬

tions,

dangerous

voltages

may

exist

even

with

the

power

cable

removed.

To

avoid

injuries,

always

disconnect

power,

discharge

circuits

and

remove

external

voltage

sources

before

touching

components.

DO

NOT

SERVICE

OR

ADJUST

ALONE.

Do

not

attempt

internal

service

or

adjustment

unless

another

person,

capable

of

rendering

first

aid

and

resuscitation,

is

present.

The

CAUTION

sign

denotes

a

hazard.

I?

calls

attention

to

an

operating

pro¬

cedure,

or

the

like,

which,

if

not

correct¬

ly

performed

or

adhered

to,

could

result

in

damage

to

or

destruction

of

part

or

all

of

the

product.

Do

not

proceed

beyond

a

CAUTION

sign

until

the

indicated

con¬

ditions

are

fully

understood

and

met.

Because

of

the

danger

of

introducing

additional

hazards,

do

not

install

substitute

parts

or

perform

any

unauthorized

modification

to

the

instrument.

Return

the

instrument

to

a

Hewlett-Packard

Sales

and

Service

Office

for

service

and

repair

to

ensure

that

safety

features

are

maintained.

Instruments

which

appear

damaged

or

defective

should

be

made

inoperative

and

secured

against

unintended

operation

until

they

can

be

repaired

by

qualified

service

personnel.

QNTEWTS

11

Introduction.1-1

1-3

Specifications.11

1-5

Safety

Considerations.1-1

1-7

Instrument

and

Manual

Identification.1-1

1-10

Description.1-1

1

1

6

Options.

1-1

1-18

Accessories.1-2

1-20

HP-IB

Interconnection

Cables

and

Connectors..

1-2

1-23

Ordering

Additional

Manuals.1-2

1-25

Related

Documents.1-2

1-27

HP-IB

Compatibility.1-3

2-1

Introduction.2-1

2-3

Initial

Inspection.2-1

2-5

Mechanical

Check.2

1

2-7

Electrical

Check.2

1

2-9

Preparation

for

Use.2-1

2-11

Location

and

Cooling.2-2

2-13

Outline

Diagram.2-2

2

15

Bench

Operation.2

2

2-17

Rack

Mounting.2.-2

2-19

Input

Power

Requirements.2-2

2

21

Power

Cable.2

2

2-25

Line

Voltage

Option

Conversion.2-2

2-27

Repackaging

for

Shipment.2-4

Section

ill

OPERATING

INSTRUCTIONS

3-1

Introduction.3

1

3-3

Controls

and

Indicators.3

1

3-5

Output

Range

for

an

Autoranging

Power

Supply.3-1

3

1

0

Overrange.3-4

3-13

Turn-On

Checkout

Procedure.3

4

3

16

Initial

Setup

and

Interconnections.3

5

3

17

Connecting

the

Load.3-5

3-24

Overvoltage

Protection

(OVP).3-6

3-26

Local

Adjustment.3-6

3-27

Local

OVP

Reset.3-6

3-28

Remote

Adjustment.3-6

3-29

Remote

OVP

Reset.3-6

3-30

Remote

Voltage

Sensing.3-6

3-35

Auto-Parallel

Operation.3-7

3-37

Setting

Output

Voltage

and

Current.3-8

3-38

Overvoltage

Protection

in

Auto-Parallel.3-8

3-39

Auto-Parallel

with

Remote

Voltage

Sensing.;.3-8

3-40

Auto-Series

Operation.3-8

3-44

Setting

Output

Voltage

and

Current.3-9

3-45

Resistor

Values.

3-9

3-50

Overvoltage

Protection

in

Auto-Series.3-10

3-51

Auto-Series

with

Remote

Voltage

Sensing.3-10

3-52

Auto-Tracking

Operation.3-10

3-55

Resistor

Values.3-11

3-62

Setting

the

Current

Controls.3-11

3-63

Overvoltage

Protection

in

Auto-Tracking..3-11

3-64

Auto-Tracking

with

Remote

Voltage

Sensing.3-11

3-65

HP-IB.3

11

3-70

Current-Monitor

Output

Signal.3-12

3-72

Protective

Circuits.3-12

3-74

Local

Operation.3-12

3-76

Constant

Voltage

Operation.3

12

3-78

Constant

Current

Operation.3-12

3-80

Return

to

Local.3

12

3-82

HP-IB

Operation.3-13

3-83

Interface

Functions.3-13

3-85

Multiline

Message

Control

Functions.3-13

3

86

Service

Request.3

13

3-89

Serial

Poll.

3-15

3

94

Parallel

Poll.3-15

3

97

Remote

Local.3-15

3

98

Device

Clear.3

15

3-99

Device

Trigger.3-15

3-100

HP-IB

Address

Selection.3-15

3

103

Programming

Syntax.3-16

3-105

Initial

Conditions.3-16

3-106

Mode.3-16

3

108

Delay.3

16

3

110

Interrupt

Mask.3-17

3

111

Potential

(Voltage).3

17

3

115

Current.3-17

3-117

Soft

Voltage

Limit

(Upper

Value).3-18

i

3-122

Soft

Current

Limit

(Upper

Value).3-18

3-124

Set

Reset.3-18

3-128

Go.3-18

3

1

29

Trigger.3-18

4-1

Introduction.4-1

4-4

HP-IB

Circuits.4

1

4-7

Transceivers

and

Bus

Functions.4-1

4-16

Serial

Poll/Receive

Handshake

Monitor.4-2

4-19

Listen/T.E.I/Talk

Monitor.4

2

4

2

1

Device

Trigger

Monitor.4

2

4-23

Device

Clear

Monitor.4-2

4

25

Transmit

Handshake

Monitor.4

2

4-27

HP

IB

Interrupt

Monitor

and

Pulse

Generator.4

2

4

30

Load/Shift

Control.4-2

4-33

Receive

Handshake

Control.4

2

4-35

Transmit

Ready

Control.4

4

4-37

Data/Status

Multiplexers.4-5

4

40

Data

Shifter/Output

Buffer...4

5

4-44

Isolation

Components.4

5

4

46

Microcomputer.

.4-5

4-48

Memory

Circuits.4-5

4-51

Microprocessor

Interrupt.4-5

4-59

CRU

Clock

Generator.4

8

4

61

I/O

Address

Decoding.4-8

4

63

DAC

Circuits.4-8

4-65

Front-Panel

Assembly.4-8

4-67

I/O

Inputs.4

8

4

69

I/O

Outputs.48

4

71

Constant

Current

Reference

Circuit.4

8

4

77

Constant

Voltage

Reference

Circuit.4-9

4

79

Voltmeter

Range

Circuit.4-9

4-81

Rotary

Pulse

Generator

Decoders.4

10

4

84

Voltmeter

and

Current

Meter.4-10

4

86

Power

Mesh

and

Control

Board.4

10

4

91

Input

AC

Circuits.4

10

4

93

DC

to

DC

Converter.4-11

4

99

Constant

Voltage

(CV)

Control

Circuit.4-13

4

103

Constant

Current

(CO

Control

Circuit.4

13

4-105

Control

Voltage.4-13

4

108

Pulse

Width

Modulator.4

13

4

111

PWM

Fast

Turn

Off.4-13

4

113

Primary

Current

(Ip)

Limit.4

13

4

116

Bleed

Circuit.4

14

4-118

Down

Programmer.4-14

4-122

Overvoltage

Protection

Circuit.4-14

4425

AC

Dropout

Detector.4

44

4-127

Bias

Voltage

Detector.4-14

4-130

Over

Temperature

Detector.4-14

5-1

Introduction.5-1

5-3

Test

Equipment

Required.54

5-6

Performance

Test.5-1

5-7

Measurement

Techniques.5-1

5-9

Selecting

a

Load

Resistor.5-1

541

Connecting

a

Current

Monitoring

Resistor.5-1

542

Constant

Voltage

Tests.5-1

5-15

Rated

Voltage

and

Voltmeter

Accuracy.

5-3

5-16

Load

Effect

(Load

Regulation).5-3

548

Source

Effect

(Line

Regulation).5-3

5-20

PARD

(Ripple

and

Noise).5-4

5-22

Ripple

Measurement

Techniques.5-4

5-25

Ripple

Measurement

Procedure.5

5

5-26

Noise

Spike

Measurement

Techniques.5-5

5

2

9

Noise

Spike

Measurement

Procedure.5

5

5

31

Load

Transient

Recovery

Time.5-6

5-32

Measurement

Techniques.5-6

5-34

Measurement

Procedure.5-6

5

35

Temperature

Coefficient.5-7

5

39

Drift

(Stability).

.57

5

42

Constant-Current

Tests.5-7

5-44

Current

Output

and

Current

Meter.5-8

5-45

Load

Effect

(Load

Regulation).5-8

5-47

Source

Effect

(Line

Regulation).5

8

5-49

PARD

(Ripple

and

Noise).5

9

5

53

Troubleshooting.5-9

5

54

Introduction.5-9

5-57

Initial

Procedures.540

5-59

Optional

Service

Package.540

5-61

Self

Test

and

Test

Mode.510

5-68

Turn-On

Self

Test.

5-13

5-69

Test

Mode

Self

Tests.543

5-74

Test

Mode

Signature

Analysis.545

ii

LO

LO

MTENTS

(co

5-76

LED

Test

Mode.5-15

5-78

Troubleshooting

Trees.5-15

5-81

Troubleshooting

Test

Setup.5-16

5-82

Signature

Analysis.5-16

5-92

Free-Run

Mode

Procedure.5-18

5-96

Signature

Analysis

Procedure.5-18

5-99

Input

and

Output

Ports.5-21

5-101

Repair

and

Replacement.5-68

5-103

Front-Panel

Assembly.5-66

5-105

Control

Board.5-66

5-107

Rotary

Pulse

Generator

(RPG).5-66

5-109

Power

Mesh

Thermal

Resistors.5-67

5-111

Current-Monitor

Resistor

Heatsink.5-67

5-113

A5

Regulator.5-67

5-116

HP-IB

Bias

Power

Supply

Repair.5

67

5-118

Replacement

Parts.5-68

5-121

Calibration.5

68

5-123

Initial

Setup.5-68

5-124

Remote

OVP

Calibration.5

68

5-125

Ip

Limit

Calibration.5-68

5-127

Regulation

Adjustment.5-69

5-128

Constant

Voltage

Circuit

Calibration.5-69

-130

Constant

Current

Circuit

Calibration.5-69

-132

Front-Panel

Voltmeter

Calibration.5-69

5-133

Front-Panel

Current

Meter

Calibration.5-70

5-134

Remote

Current

Meter

Calibration.5-70

5-135

Remote

Voltmeter

Zero

Calibration.5

70

5-136

Remote

Voltmeter

Full

Scale

Calibration.5

70

Section

Vi

REPLACEABLE

PARTS

6-1

Introduction.6-1

6-4

Ordering

Information.6-1

6-1

Introduction.6-1

6-4

Ordering

Information.6-1