Agilent Technologies 34952a Manual de usuario

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Agilent Technologies

Agilent 34952A

Multifunction Module

User’s Guide

Agilent Technologies, Inc.

Printed in Malaysia

Edition 2

September 2012 E0912

*34980-90052* 

34980-90052

Notices

No part of this manual may be reproduced

in any form or by any means (including

electronic storage and retrieval or transla-

tion into a foreign language) without prior

agreement and written consent from 

Agilent Technologies, Inc. as governed 

by United States and international copy-

right laws.

Manual Part Number

34980-90052

Edition

Second Edition, September 2012

Printed in Malaysia

Agilent Technologies, Inc.

3501 Stevens Creek Blvd 

Santa Clara, CA 95052 USA

Microsoft® and Windows® are U.S. regis-

tered trademarks of Microsoft Corporation.

Software Revision

This guide is valid for the firmware that

was installed in the instrument at the time

of manufacture. However, upgrading the

firmware may add or change product 

features. For the latest firmware and 

documentation, go to the product page at:

www.agilent.com/find/34980A

Warranty

The material contained in this docu-

ment is provided “as is,” and is sub-

ject to being changed, without notice,

in future editions. Further, to the max-

imum extent permitted by applicable

law, Agilent 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 par-

ticular purpose. Agilent shall not be

liable for errors or for incidental or

consequential damages in connection

with the furnishing, use, or perfor-

mance of this document or of any

information contained herein. Should

Agilent 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 sep-

arate agreement shall control.

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.

Restricted Rights Legend

U.S. Government Restricted Rights. 

Software and technical data rights granted

to the federal government include only

those rights customarily provided to end

user customers. Agilent provides this 

customary commercial license in Software

and technical data pursuant to FAR 12.211

(Technical Data) and 12.212 (Computer

Software) and, for the Department of

Defense, DFARS 252.227-7015 (Technical

Data - Commercial Items) and DFARS

227.7202-3 (Rights in Commercial Com-

puter Software or Computer Software 

Documentation).

Safety Notices

CAUTION

A CAUTION notice denotes a haz-

ard. It calls attention to an operat-

ing 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 per-

formed or adhered to, could result

in personal injury or death. Do not

proceed beyond a WARNING

notice until the indicated condi-

tions are fully understood and met.

ii Agilent 34952A Multifunction Module User’s Guide

Additional Safety Notices

The following general safety precautions

must be observed during all phases of oper-

ation of this instrument. Failure to comply

with these precautions or with specific

warnings or instructions elsewhere in this

manual violates safety standards of design,

manufacture, and intended use of the

instrument. Agilent Technologies assumes

no liability of the customer’s failure to com-

ply with the requirements.

General

Do not use this products in any manner not

specified by the manufacturer. The protec-

tive features of this product may be

impaired if it is used in a manner not speci-

fied in the operation instructions.

Before Applying Power

Verify that all safety precautions are taken.

Make all connections to the unit before

applying power.

Ground the Instrument

This product is provided with protective

earth terminals. To minimize shock hazard,

the instrument must be connected to the

ac power mains through a grounded power

cable, with the ground wire firmly con-

nected to an electrical ground (safety

ground) at the power outlet. Any interrup-

tion of the protective (grounding) conduc-

tor or disconnection of the protective earth

terminal will cause a potential shock haz-

ard that could result in personal injury.

Do Not Operate in an Explosive

Atmosphere

Do not operate the instrument in the pres-

ence of flammable gases or fumes.

Do Not Remove the Instrument

Cover

Only qualified, service-trained personal

who are aware of the hazards involved

should remove instrument covers. Always

disconnect the power cable and any exter-

nal circuits before removing the instrument

cover.

Do Not Modify the Instrument

Do not install substitute parts or perform

any unauthorized modification to the prod-

uct. Return the product to an Agilent Sales

and Service Office for service and repair to

ensure that safety features are maintained.

In Case of Damage

Instruments that appear damaged or defec-

tive should be made inoperative and

secured against unintended operation until

they can be repaired by qualified service

personnel.

Safety Symbols

Waste Electrical and Electronic

Equipment (WEEE) Directive

2002/96/EC

This product complies with the WEEE

Directive (2002/96/EC) marking require-

ment. The affixed product label (see above)

indicates that you must not discard this

electrical/electronic product in domestic

household waste.

Product Category: With reference to the

equipment types in the WEEE directive

Annex 1, this product is classified as a

“Monitoring and Control instrumentation”

product.

To return unwanted products, contact 

your local Agilent office, or go to 

www.agilent.com/environment/product

for more information.

Technical Support

If you have questions about your shipment,

or if you need information about warranty,

service, or technical support, contact 

Agilent Technologies:

In the United States: (800) 829-4444

In Europe: 31 20 547 2111

In Japan: 0120-421-345

Or go to www.agilent.com/find/assist 

for information on contacting Agilent in

your country of specific location. You can

also contact your Agilent Technologies 

Representative.

Alternating current

Frame or chassis

terminal

Standby supply. Unit is

not completely

disconnected from ac

mains when switch is off

Caution, risk of electric

shock

Caution, refer to

accompanying description

Agilent 34952A Multifunction Module User’s Guide iii

iv Agilent 34952A Multifunction Module User’s Guide

Declaration of Conformity

Declarations of Conformity for this product and for other Agilent products may be

downloaded from the Internet. There are two methods to obtain the Declaration of

Conformity:

•Go to http://regulations.corporate.agilent.com/DoC/search.htm . You can

then search by product number to find the latest Declaration of Conformity.

•Alternately, you can go to the product web page

(www.agilent.com/find/34980A), click on the Document Library tab then

scroll down until you find the Declaration of Conformity link.

Agilent 34952A Multifunction Module User’s Guide v

Contents

34952A Multifunction Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Digital Input/Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Totalizer Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Analog Output (DAC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

34952A SCPI Programming Examples. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Digital Input/Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Totalizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

DAC Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

34952A Simplified Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

34952A D-Sub Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

34952T Terminal Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

vi Agilent 34952A Multifunction Module User’s Guide

34952A Multifunction Module

Agilent 34952A Multifunction Module User’s Guide 1

34952A Multifunction Module

The 34952A Multifunction Module with DIO, D/A, and Totalizer combines

four 8- bit ports of digital input/output, a 100 kHz totalizer, and two ±12

volt earth- referenced analog outputs. You can include digital inputs and

totalizer input in a scan list. You can make connections via standard

50- pin D- sub cables or the optional 34952T terminal block.

Digital Input/Output

The Digital Input/Output (DIO) consists of four 8- bit ports with

TTL- compatible inputs and output. The open- drain outputs can sink up to

400 mA. From the front panel, you can read data from only one 8- bit

input port at a time. You can configure the DIO ports for 8, 16, or 32- bit

operations. The DIO channels are connected by internal 5 V pull- up

resistors when configured as inputs.

Totalizer Input

The 32- bit totalizer can count pulses at a 100 kHz rate. You can configure

the totalizer to count on the rising edge or falling edge of the input signal.

A TTL high signal applied to the Gate terminal enables counting and a low

signal disables counting. A TTL low signal applied to the Not- Gate

terminal enables counting and a high signal disables counting. The

totalizer counts only when both terminals are enabled.

Analog Output (DAC)

The two analog outputs are capable of outputting voltages between ±12

volts with 16 bits of resolution. Each DAC channel is capable of 10 mA

maximum current. Use the two analog outputs to source bias voltages to

your DUT, to control your analog programmable power supplies, or as set

points for your control systems. The outputs are programmed directly in

volts.

NOTE

When a gate is not connected, the gate terminal is pulled to the

enabled state, effectively creating a “gate always” condition.

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