Keysight technologies E364 a series Manual

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Keysight E364xA Dual

Output DC Power Supplies

User’s and

Service Guide

2 Keysight E364xA User’s and Service Guide

Notices

No part of this manual may be repro-

duced in any form or by any means

(including electronic storage and

retrieval or translation into a foreign

language) without prior agreement and

written consent from Keysight Technol-

ogies as governed by United States and

international copyright laws.

Manual Part Number

E3646-90001

Edition

Edition 12, March 25, 2019

Printed in:

Printed in Malaysia

Published by:

Keysight Technologies

Bayan Lepas Free Industrial Zone,

11900 Penang, Malaysia

Technology Licenses

The hardware and/or software

described in this document are fur-

nished under a license and may be

used or copied only in accordance with

the terms of such license.

Declaration of Conformity

Declarations of Conformity for this

product and for other Keysight prod-

ucts may be downloaded from the

Web. Go to http://www.keysight.com/

go/conformity. You can then search by

product number to find the latest Dec-

laration of Conformity.

U.S. Government Rights

The Software is “commercial computer

software,” as defined by Federal Acqui-

sition Regulation (“FAR”) 2.101. Pursu-

ant to FAR 12.212 and 27.405-3 and

Department of Defense FAR Supple-

ment (“DFARS”) 227.7202, the U.S.

government acquires commercial com-

puter software under the same terms

by which the software is customarily

provided to the public. Accordingly,

Keysight provides the Software to U.S.

government customers under its stan-

dard commercial license, which is

embodied in its End User License

Agreement (EULA), a copy of which can

be found at http://www.keysight.com/

find/sweula. The license set forth in the

EULA represents the exclusive authority

by which the U.S. government may use,

modify, distribute, or disclose the Soft-

ware. The EULA and the license set

forth therein, does not require or per-

mit, among other things, that Keysight:

(1) Furnish technical information

related to commercial computer soft-

ware or commercial computer software

documentation that is not customarily

provided to the public; or (2) Relinquish

to, or otherwise provide, the govern-

ment rights in excess of these rights

customarily provided to the public to

use, modify, reproduce, release, per-

form, display, or disclose commercial

computer software or commercial com-

puter software documentation. No

additional government requirements

beyond those set forth in the EULA

shall apply, except to the extent that

those terms, rights, or licenses are

explicitly required from all providers of

commercial computer software pursu-

ant to the FAR and the DFARS and are

set forth specifically in writing else-

where in the EULA. Keysight shall be

under no obligation to update, revise or

otherwise modify the Software. With

respect to any technical data as

defined by FAR 2.101, pursuant to FAR

12.211 and 27.404.2 and DFARS

227.7102, the U.S. government

acquires no greater than Limited Rights

as defined in FAR 27.401 or DFAR

227.7103-5 (c), as applicable in any

technical data.

Warranty

THE MATERIAL CONTAINED IN THIS

DOCUMENT IS PROVIDED “AS IS,”

AND IS SUBJECT TO BEING

CHANGED, WITHOUT NOTICE, IN

FUTURE EDITIONS. FURTHER, TO THE

MAXIMUM EXTENT PERMITTED BY

APPLICABLE LAW, KEYSIGHT DIS-

CLAIMS ALL WARRANTIES, EITHER

EXPRESS OR IMPLIED, WITH REGARD

TO THIS MANUAL AND ANY INFORMA-

TION CONTAINED HEREIN, INCLUD-

ING BUT NOT LIMITED TO THE

IMPLIED WARRANTIES OF MER-

CHANTABILITY AND FITNESS FOR A

PARTICULAR PURPOSE. KEYSIGHT

SHALL NOT BE LIABLE FOR ERRORS

OR FOR INCIDENTAL OR CONSE-

QUENTIAL DAMAGES IN CONNECTION

WITH THE FURNISHING, USE, OR

PERFORMANCE OF THIS DOCUMENT

OR OF ANY INFORMATION CON-

TAINED HEREIN. SHOULD KEYSIGHT

AND THE USER HAVE A SEPARATE

WRITTEN AGREEMENT WITH WAR-

RANTY TERMS COVERING THE MATE-

RIAL IN THIS DOCUMENT THAT

CONFLICT WITH THESE TERMS, THE

WARRANTY TERMS IN THE SEPARATE

AGREEMENT SHALL CONTROL.

Safety Information

CAUTION

A CAUTION notice denotes a hazard. It

calls attention to an operating proce-

dure, practice, or the like that, if not

correctly performed or adhered to,

could result in damage to the product

or loss of important data. Do not pro-

ceed beyond a CAUTION notice until

the indicated conditions are fully

understood and met.

WARNING

A WARNING notice denotes a hazard. It

calls attention to an operating proce-

dure, practice, or the like that, if not

correctly performed or adhered to,

could result in personal injury or death.

Do not proceed beyond a WARNING

notice until the indicated conditions are

fully understood and met.

Keysight E364xA User’s and Service Guide 3

Safety Symbols

The following symbols on the instrument and in the documentation indicate

precautions which must be taken to maintain safe operation of the instrument.

Caution, risk of danger (refer to this

manual for specific Warning or Caution

information)

In position of a bi-stable push control

DC (Direct current or voltage)

Terminal is at earth potential. Used for

measurement and control circuits

designed to be operated with one

terminal at earth potential.

AC (Alternating current or voltage) Positive binding post

Protective conductor terminal Negative binding post

Out position of a bi-stable push control

4 Keysight E364xA User’s and Service Guide

Safety Considerations

Read the information below before using this instrument.

The following general safety precautions must be observed during all phases of

operation, service, and repair of this instrument. Failure to comply with these

precautions or with specific warnings elsewhere in this manual violates safety

standards for design, manufacture, and intended use of the instrument. Keysight

Technologies assumes no liability for the customer’s failure to comply with these

requirements.

CAUTION

– Use the device with the cables provided with the shipment.

– If the device is used in a manner not specified by the manufacturer, the

device protection may be impaired.

– Always use a dry cloth to clean the device. Do not use ethyl alcohol or

any other volatile liquid to clean the device.

– Do not permit any blockage of the ventilation holes of the device.

Keysight E364xA User’s and Service Guide 5

WARNING

– Do not use MAINS supply cords by inadequately RATED cord. Always

use the MAINS supply cord provided by the manufacturer.

– Do not use the device if it appears damaged or defective. REMOVE

POWER and do not use the device until safe operation is verified by

service-trained personnel. If necessary, return the device to Keysight

for service and repair to ensure that the safety features are maintained.

– Do not operate the device around flammable gases or fumes, vapor, or

wet environments.

– Observe all markings on the device before connecting any wiring to

the device.

– Turn off the output of the power supply before connecting to the

output terminals.

– When servicing the device, use only the specified replacement parts.

– Do not install substitute parts or perform any unauthorized

modification to the device. Return the device to Keysight for service

and repair to ensure that the safety features are maintained.

– Do not operate the device with the cover removed or loosened.

6 Keysight E364xA User’s and Service Guide

Environmental Conditions

The E364xA is designed for indoor use and in an area with low condensation. The

table below shows the general environmental requirements for this instrument.

Environmental condition Requirement

Temperature

Operating condition

– 0 °C to 40 °C (full rated output)

Storage condition

– –20 °C to 70 °C

Humidity Operating condition

– 95% RH (maximum)

Altitude Up to 2000 m

Installation category II (for indoor use)

Pollution degree 2

Keysight E364xA User’s and Service Guide 7

Regulatory Information

The E364xA complies with the following safety and Electromagnetic Compatibility

(EMC) compliances:

Safety compliance

– IEC 61010-1:2001/EN 61010-1:2001

– Canada: CAN/CSA-C22.2 No. 61010-1-04

– USA: ANSI/UL 61010-1:2004

EMC compliance

– IEC61326-1:2005/EN61326-1:2006

– Canada: ICES/NMB-001: Issue 4, June 2006

– Australia/New Zealand: AS/NZS CISPR11:2004

8 Keysight E364xA User’s and Service Guide

Regulatory Markings

The CE mark is a registered trademark

of the European Community. This CE

mark shows that the product complies

with all the relevant European Legal

Directives.

The RCM mark is a registered

trademark of the Australian

Communications and Media Authority.

ICES/NMB-001 indicates that this ISM

device complies with the

Canadian ICES-001.

Cet appareil ISM est conforme a la

norme NMB-001 du Canada.

This instrument complies with the

WEEE Directive (2002/96/EC) marking

requirement. This affixed product label

indicates that you must not discard

this electrical or electronic product in

domestic household waste.

The CSA mark is a registered

trademark of the Canadian

Standards Association.

This symbol indicates the time period

during which no hazardous or toxic

substance elements are expected to

leak or deteriorate during normal use.

Forty years is the expected useful life

of the product.

This symbol is a South Korean Class A

EMC Declaration. This is a Class A

instrument suitable for professional

use and in electromagnetic

environment outside of the home.

Keysight E364xA User’s and Service Guide 9

Waste Electrical and Electronic Equipment (WEEE) Directive

This instrument complies with the WEEE Directive (2002/96/EC) marking

requirement. This affixed product label indicates that you must not discard this

electrical or electronic product in domestic household waste.

Product category:

With reference to the equipment types in the WEEE directive Annex 1, this

instrument is classified as a “Monitoring and Control Instrument” product.

The affixed product label is as shown below.

Do not dispose in domestic household waste.

To return this unwanted instrument, contact your nearest Keysight Service Center,

or visit http://about.keysight.com/en/companyinfo/environment/takeback.shtml

for more information.

Sales and Technical Support

To contact Keysight for sales and technical support, refer to the support links on

the following Keysight websites:

–www.keysight.com/find/dcpowersupply

(product-specific information and support, software and

documentation updates)

–www.keysight.com/find/assist

(worldwide contact information for repair and service)

10 Keysight E364xA User’s and Service Guide

THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK.

Keysight E364xA User’s and Service Guide 11

Table of Contents

Safety Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Environmental Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Regulatory Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Safety compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

EMC compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Regulatory Markings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Waste Electrical and Electronic Equipment (WEEE) Directive . . . . . . . . . .9

Product category . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Sales and Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

1 Getting Started

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Standard Shipped Items. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

Preparing the Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

Checking the power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

Connecting power to the power supply . . . . . . . . . . . . . . . . . . . . . . . .31

Checking the output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

Converting line voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

Rack-mounting the power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Product at a Glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

Front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

Rear panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

Display annunciators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

12 Keysight E364xA User’s and Service Guide

Output Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Current ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Voltage drops . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Load consideration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Remote voltage sensing connections . . . . . . . . . . . . . . . . . . . . . . . . . 47

Multiple loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Operating the Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Bench operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

2 Operation and Features

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Constant Voltage Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Front panel operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Remote interface operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Constant Current Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Front panel operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Remote interface operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Track Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Front panel operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Remote interface operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

View Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Changing the display mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Viewing the errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Viewing the firmware version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Viewing the calibration string . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Configuring the Remote Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

GPIB configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

RS-232 configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Keysight E364xA User’s and Service Guide 13

Storing and Recalling Operating States . . . . . . . . . . . . . . . . . . . . . . . .68

Front panel operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68

Remote interface operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70

Programming the Overvoltage Protection . . . . . . . . . . . . . . . . . . . . . . .71

Front panel operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71

Remote interface operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73

Disabling the Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75

Front panel operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75

Remote interface operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75

Disconnecting the output using an external relay . . . . . . . . . . . . . .76

System-Related Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77

State storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77

Self-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78

Error conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79

Firmware revision query . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79

SCPI language version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80

GPIB Interface Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81

RS-232 Interface Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82

RS-232 configuration overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82

RS-232 data frame format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82

Connection to a computer or terminal . . . . . . . . . . . . . . . . . . . . . . .83

RS-232 trouble shooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84

Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85

Calibration security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85

To unsecure for calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86

To secure against calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87

To change the security code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89

Calibration count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90

Calibration message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90

14 Keysight E364xA User’s and Service Guide

3 Remote Interface Reference

SCPI Command Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Output setting and measurement commands . . . . . . . . . . . . . . . . . 95

Triggering commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

System-related commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

State storage commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Calibration commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Interface configuration commands . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Status reporting commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

IEEE-488.2 common commands . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Introduction to the SCPI Language . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Command format used in this manual . . . . . . . . . . . . . . . . . . . . . . 101

Command separators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

Using the MIN and MAX parameters . . . . . . . . . . . . . . . . . . . . . . . 102

Querying parameter settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

SCPI command terminators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

IEEE-488.2 common commands . . . . . . . . . . . . . . . . . . . . . . . . . . 104

SCPI parameter types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Simplified Programming Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

Using the APPLy command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

Using the low-level commands . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

Reading a query response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Selecting a trigger source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Power supply programming ranges . . . . . . . . . . . . . . . . . . . . . . . . 108

Using the APPLy Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Output Setting and Operation Commands . . . . . . . . . . . . . . . . . . . . . 110

Triggering Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

Trigger source choices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

Triggering commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

System-Related Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

State Storage Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

Calibration Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126

Calibration example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Keysight E364xA User’s and Service Guide 15

Interface Configuration Commands . . . . . . . . . . . . . . . . . . . . . . . . . . .130

SCPI Status Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131

What is an event register? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131

What is an enable register? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131

What is a multiple logical output? . . . . . . . . . . . . . . . . . . . . . . . . .132

SCPI status system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133

Questionable status register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134

Standard event register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136

Status Byte register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137

Using Service Request (SRQ) and serial POLL . . . . . . . . . . . . . . . .138

Using *STB? to read the status byte . . . . . . . . . . . . . . . . . . . . . . . .139

Using the Message Available bit (MAV) . . . . . . . . . . . . . . . . . . . . .139

To interrupt your bus controller using SRQ . . . . . . . . . . . . . . . . . .140

Determining when a command sequence is completed . . . . . . . . .140

Using *OPC to signal when data is in the output buffer . . . . . . . . .141

Status Reporting Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .142

Halting an Output in Progress . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .146

SCPI Conformance Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .147

SCPI confirmed commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .147

Device specific commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149

IEEE-488 Conformance Information . . . . . . . . . . . . . . . . . . . . . . . . . .150

4ErrorMessages

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152

Front panel operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152

Remote interface operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .153

Execution Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .154

Self-Test Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .161

Calibration Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .164

16 Keysight E364xA User’s and Service Guide

5 Application Programs

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168

Example Program for C and C++ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169

Diode.c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169

Example Program for Excel 97 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

Declaration for Windows 3.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178

Declaration for Windows 9.5/NT 4.0 . . . . . . . . . . . . . . . . . . . . . . . 178

6Tutorial

Overview of the Power Supply Operation . . . . . . . . . . . . . . . . . . . . . . 180

Output Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182

Unregulated state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184

Unwanted signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184

Extending the Voltage and Current Range . . . . . . . . . . . . . . . . . . . . . 186

Series connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186

Parallel connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186

Remote Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

7 Characteristic and Specifications

Physical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190

Environmental Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192

Supplemental Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194

8ServiceandMaintenance

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198

Operating Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199

Types of Services Available . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200

Standard repair service (worldwide) . . . . . . . . . . . . . . . . . . . . . . . . 200

Repacking for Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200

Electrostatic Discharge (ESD) Precautions . . . . . . . . . . . . . . . . . . . . . 201

Surface Mount Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201

Keysight E364xA User’s and Service Guide 17

Replacing the Power-Line Fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .201

Troubleshooting Hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .202

Unit reports errors 740 to 755 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .202

Unit fails self-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .202

Bias supplies problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .202

Self-Test Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .204

Power-on self test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .204

Complete self-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .204

General Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .206

Recommended Test Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .207

Test Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .209

Operation Verification and Performance Tests . . . . . . . . . . . . . . . . . .210

Operation verification tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .210

Performance tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .210

Measurement Techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .211

Common test setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .211

Current-monitoring resistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .212

General measurement techniques . . . . . . . . . . . . . . . . . . . . . . . . .212

Electronic load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .213

Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .213

Constant Voltage (CV) Verifications . . . . . . . . . . . . . . . . . . . . . . . . . . .214

Constant voltage test setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .214

Voltage programming and readback accuracy . . . . . . . . . . . . . . . .214

CV load effect (load regulation) . . . . . . . . . . . . . . . . . . . . . . . . . . . .216

CV source effect (line regulation) . . . . . . . . . . . . . . . . . . . . . . . . . .217

CV PARD (ripple and noise) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .218

Load transient response time . . . . . . . . . . . . . . . . . . . . . . . . . . . . .220

Constant Current (CC) Verification . . . . . . . . . . . . . . . . . . . . . . . . . . .222

Constant current test setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .222

Current programming and readback accuracy . . . . . . . . . . . . . . . .222

CC load effect (load regulation) . . . . . . . . . . . . . . . . . . . . . . . . . . .224

CC source effect (line regulation) . . . . . . . . . . . . . . . . . . . . . . . . . .225

CC PARD (ripple and noise) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .226

18 Keysight E364xA User’s and Service Guide

Common Mode Current Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228

Performance Test Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229

Calibration Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231

Keysight calibration services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231

Calibration interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231

To unsecure the power supply without the security code . . . . . . . 231

General Calibration or Adjustment Procedure . . . . . . . . . . . . . . . . . . 233

Front panel voltage and current calibration . . . . . . . . . . . . . . . . . . 235

Calibration Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239

Calibration Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241

Component Locator Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243