Keysight Technologies 34959A Manuel utilisateur

Keysight 34980A Data

Acquisition System

Service Guide

2 Keysight 34980A Service Guide

Notices

No part of this manual may be

reproduced 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 Technologies as governed by

United States and international

Trademarks

Microsoft and Windows are U.S.

registered trademarks of Microsoft

Corporation.

Manual Part Number

34980-90010

Edition

Edition 11, Aug 2022

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

furnished 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

products 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

Declaration of Conformity.

U.S. Government Rights

The Software is “commercial computer

software,” as defined by Federal

Acquisition Regulation (“FAR”) 2.101.

Pursuant to FAR 12.212 and 27.405-3

and Department of Defense FAR

Supplement (“DFARS”) 227.7202, the

U.S. government acquires commercial

computer 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 standard

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

Software. The EULA and the license set

forth therein, does not require or

permit, among other things, that

Keysight: (1) Furnish technical

information related to commercial

computer software or commercial

computer software documentation that

is not customarily provided to the

public; or (2) Relinquish to, or

otherwise provide, the government

rights in excess of these rights

customarily provided to the public to

use, modify, reproduce, release,

perform, display, or disclose

commercial computer software or

commercial computer 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 pursuant to the FAR

and the DFARS and are set forth

specifically in writing elsewhere 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 DISCLAIMS ALL WARRANTIES,

EITHER EXPRESS OR IMPLIED, WITH

REGARD TO THIS MANUAL AND ANY

INFORMATION CONTAINED HEREIN,

INCLUDING BUT NOT LIMITED TO THE

IMPLIED WARRANTIES OF

MERCHANTABILITY AND FITNESS FOR A

PARTICULAR PURPOSE. KEYSIGHT

SHALL NOT BE LIABLE FOR ERRORS OR

FOR INCIDENTAL OR CONSEQUENTIAL

DAMAGES IN CONNECTION WITH THE

FURNISHING, USE, OR PERFORMANCE

OF THIS DOCUMENT OR OF ANY

INFORMATION CONTAINED HEREIN.

SHOULD KEYSIGHT AND THE USER

HAVE A SEPARATE WRITTEN

AGREEMENT WITH WARRANTY TERMS

COVERING THE MATERIAL 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

procedure, 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

proceed 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

procedure, 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.

NOTE

A NOTE calls the user's attention to an

important point or special information

in the text.

Keysight 34980A Service Guide 3

Safety Symbols

The following symbols or markings that may be on or with the instrument and in

the documentation indicate precautions which must be taken to maintain safe

operation of the instrument.

Alternating current (AC) Frame or chassis (ground) terminal

Standby supply. Unit is not completely

disconnected from ac mains when

switch is off

Caution, risk of electric shock

Caution, risk of danger (refer to this

manual for specific Warning or Caution

information)

Direct current (DC)

Off (mains supply) On (mains supply)

Three phase alternating current Presence of a laser device

Protective earth (ground) terminal

Equipment protected throughout by

double insulation or reinforced

insulation

Caution, hot surface Product is sensitive to electrostatic

discharge

4 Keysight 34980A 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.

WARNING

The service instructions are for use by qualified personnel only. To avoid

electrical shock, do not perform any servicing unless you are qualified to do

so.

WARNING

Refer to the 34980A User's Guide and all applicable Modules User's Guides

before using the equipment for complete Safety Considerations. The 34980A

User's Guide contains additional important information about the modules.

WARNING

Keysight Customers utilizing the Open Platform Test Systems are classified

as follows and require the user to have the appropriate skillset:

Operator: Interacts with the test system in a production environment,

selection of test sequences, defining variables, running tests (test results,

test statistics, control of marking devices)

Supervisor: Includes access to maintenance functions and utility sequences

(control of hardline system functions, access to test area

Developer: Full access

Keysight 34980A Service Guide 5

WARNING

Hazardous voltage levels capable of causing death, may be present on a

channel. Use extreme caution when handling, testing and adjusting this

instrument. Any voltages greater than 30 Vrms, 42.4 Vpeak and 60 Vdc are

considered hazardous (IEC 61010-1).

WARNING

ENVIRONMENTAL HEALTH & SAFETY: When any channel is connected to a

hazardous voltage source, the instrument and the device under test should

be supervised, following local EHS practices to restrict access.

WARNING

IN CASE OF DAMAGE

Before use, inspect the instrument and all connections. Pay particular

attention to the insulation surrounding the connectors and / or cable

assembly insulation. NEVER use a cable showing any signs of damage.

Faulty cables can cause electrical shock and /or fire hazards and could lead

to personal injury or death.

WARNING

Under certain conditions, hazardous voltage levels capable of causing injury

or death may remain even after external circuits have been disconnected. To

avoid electrical shock, remove the main power cord from the 34980A and

ensure all connections to the DUT, including field wiring to the instrument

and the analog bus (if present) are deenergized and all circuits are

discharged before coming in contact with the system. Ensure no hazardous

voltages remain on any accessible before handling any part of the

instrument and test setup, making connections to the system, removing

covers or cleaning the instrument.

6 Keysight 34980A Service Guide

WARNING

When working with hazardous voltage levels, intentional closing of multiple

bus and channel relays could cause a potential shock hazard on external

connections. Use extreme caution when handling, testing and adjusting this

instrument. Do not perform these procedures unless qualified to do so.

Failure to recognize and observe normal safety precautions could result in

personal injury or death.

In a matrix switch configuration, any one of the signal sources can be

connected to any one of the test inputs. Be aware that with a matrix, it is

possible to connect more than one source at the same time. Therefore, it is

important to make sure that hazardous or unwanted conditions are not

created by these connections.

It is possible to connect more than one voltage level at the same time when

using this system. Ensure that hazardous or unwanted conditions are not

created by these connections. Failure to recognize or observe normal safety

precautions could result in equipment damage and may result in hazardous

conditions such as fire or shock and could lead to personal injury or death.

WARNING

Do not connect the Analog Buses directly to a mains power outlet. If it is

necessary to measure a mains voltage or any circuit where a large inductive

load may be switched, you must add signal conditioning elements to reduce

the potential transients before they reach the Analog Buses.

Modules 34923A, 34924A, 34933A are rated for a maximum transient of 750

Vpeak. Module 34934A is rated for a maximum transient of 450 Vpeak. All

other modules are rated for 1000 Vpeak. Typically, these transient

overvoltages result from switching inductive loads or from nearby lighting

strikes. The lightning-caused transient overvoltages that may occasionally

occur on a mains power outlets may be as high as 2500 Vpeak.

Keysight 34980A Service Guide 7

WARNING

HIGH ENERGY SOURCES

The Analog Buses are designed to handle inputs up to their rated currents or

their rated powers, whichever is less. Under certain fault conditions, high

energy sources could provide substantially more current or power than the

instrument can handle. It is important to provide external current limiting,

such as fuses if the inputs are connected to high-energy sources. The

overcurrent protection is to be rated for the maximum available short circuit

current of the hazardous sources. Ensure that the current limiting devices /

snubber circuits are appropriate for the signal being tested. Failure to do so

may result in hazardous conditions such as fire or shock and could lead to

personal injury or death. Refer to 34980A Mainframe User's Guide for full

details.

8 Keysight 34980A Service Guide

Environmental Conditions

Keysight 34980A is designed for indoor use in an installation category II and low

condensation environment. Do not use in locations where conductive dust or

electrolytic salt dust may be present. Table below shows the general

environmental conditions for this instrument. Refer to the product data sheet at

https://literature.cdn.keysight.com/litweb/pdf/5989-1437EN.pdf for more

information on the instrument general specifications.

General specifications Requirement

Temperature Operating condition: 0°C to 55°C

Storage condition: -40°C to 70°C

Humidity Maximum Relative Humidity (non-condensing): 80% RH

up to 40°C, decreases linearly to 37% RH at 55°C1

1 From 40°C to 55°C, the maximum % Relative Humidity follows the line of constant dew point.

Altitude Up to 2,000 m

Pollution degree 1 or 2

WARNING

When used in pollution degree 1 conditions, the maximum voltage rating for

the Analog Buses is 300V. When used in pollution degree 2 conditions, the

maximum voltage rating is 100V. If conditions change, ensure that

condensation has evaporated and the instrument has thermally stabilized

until pollution degree 1 conditions are restored before turning on power to

the equipment.

NOTE

Pollution Degree 1: No pollution or only dry, non-conductive pollution occurs.

The pollution has no influence (on insulation) (IEC 61010-1).

Pollution Degree 2: Normally only non-conductive pollution occurs.

Occasionally, a temporary conductivity (leakage current between isolated

conductors) caused by condensation can be expected (IEC 61010-1).

Keysight 34980A Service Guide 9

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 CSA mark is a registered

trademark of the Canadian

Standards Association.

The UK conformity mark is a UK

government owned mark. Products

showing this mark comply with all

applicable UK regulations.

The Keysight email address is required

by EU directives applicable to our

product.

This indicates that this ISM device

complies with the Canadian ICES-001.

Interference-Causing Equipment

Standard for industrial, scientific and

medical (ISM) equipment. Matériel

industriel, scientifique et médical (ISM)

This is a symbol of an Industrial

Scientific and Medical Group 1 Class A

product. (CISPR 11, Clause 5)

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.

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.

ISM GRP.1 Class A indicates that this

is an Industrial Scientific and Medical

Group 1 Class A product.

This is a combined marking to indicate

product compliance with the Industry

Canadian Interference-Causing

Equipment Standard (ICES/NMB-001).

This is also a symbol of an Industrial

Scientific and Medical Group 1 Class A

product (CISPR 11, Clause 5).

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.

The RCM mark is a registered

trademark of the Australian

Communications and Media Authority.

10 Keysight 34980A Service Guide

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 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.

Universal recycling symbol.

This mark indicates product has been

designed to meet the requirements of

"IP x y", where "x" is the solid particle

protection and "y" is the liquid ingress

protection.

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