Agilent Technologies E3647A User manual

User’s Guide

Part Number: E3646-90001

May 2011.

For Warranty information, refer to the back of the manual.

Agilent E364xA Dual Output

DC Power Supplies

Agilent Technologies

The Agilent Technologies E3646A/E3647A (30 watt) and E3648A/E3649A

(50 watt) are high performance dual-output dual range programmable DC power

supplies with GPIB and RS-232 interfaces. The combination of bench-top and system

features in these power supplies provides versatile solutions for your design and test

requirements.

Convenient bench-top features

• Dual-output dual range

• Output on/off

• High accuracy and high resolution

• Excellent load and line regulation

• Low ripple and noise

• Overvoltage protection

• Five Operating states storage

• Tracking operation

• Easy-to-use controls

• Remote voltage sensing

• Front and Rear output terminals

• Portable, ruggedized case with non-skid feet

• Error messages available on the display

Flexible system features

• GPIB (IEEE-488) and RS-232 interfaces are standard

• SCPI (Standard Commands for Programmable Instruments) compatibility

• I/O setup easily done from front-panel

• Software calibration, no internal physical adjustments

Agilent Technologies E364xA

Dual Output DC Power Supplies

The Front Panel at a Glance

1 Output1 selection Key

2Output2 selection Key

3Low voltage range selection Key

4High voltage range selection Key

5Overvoltage protection Key

6Display limit Key

7Resolution selection Keys

8Voltage / Current adjust selection Key

9 Knob

10 Output On / Off Key

11 I/O Configuration Menu / Secure Key

12 View Menu / Calibrate Key

13 State Storage Menu / Local Key

14 Stored state Recall/Reset Menu

15 Tracking enabling/disabling Key

Front-Panel Menu/Key Reference

This section gives an overview of the front-panel keys/menus. The menus are designed

to automatically guide you through all parameters required to configure a particular

function or operation.

1 Output1 selection key Select the output1 voltage and current to be controlled and

monitored on the display.

2 Output2 selection key Select the output2 voltage and current to be controlled and

monitored on the display.

3 Low voltage range selection key Selects the low voltage range and allows its full

rated output to the output terminals.

4 High voltage range selection key Selects the high voltage range and allows its full

rated output to the output terminals.

5 Overvoltage protection key Enables or disables the overvoltage protection function,

sets trip voltage level, and clears the overvoltage condition.

6 Display limit key Shows voltage and current limit values on the display and allows

the knob adjustment for setting limit values.

7 Resolution selection keys Move the flashing digit to the right or left. Adjust the

scrolling speed of the text being displayed in the View menu.

8 Voltage/Current adjust selection key Selects the knob control function for voltage

or current adjustment.

9KnobIncreases or decreases the value of the flashing digit by turning clockwise or

counter clockwise.

10 Output On/Off key Enables or disables the power supply output. This key toggles

between on and off.

11 I/O Configuration / Secure key3Configures the power supply for remote interfaces

/ or secures or unsecures the power supply for calibration.

12 View menu / Calibrate key2Views the error codes and the text of the error message,

calibration string, and system firmware revision / or enables calibration mode.

13 State storage menu / Local key1Stores up to five power supply’s states and assigns

a name to each of the storage locations / or returns the power supply to local mode

from remote interface mode.

14 Stored state Recall menu Recalls a stored operating state from location ‘‘1’’ through

‘‘5’’ and resets the power supply to the power-on state (*RST command).

15 Tracking enabling/disabling key Enable / disable the track mode of the outputs.

1The key can be used as the ‘‘Local’’ key when the power supply is in the remote interface

mode.

2You can enable the ‘‘calibration mode’’ by holding down this key when you turn on the power

supply.

3You can use it as the ‘‘Secure’’ or ‘‘Unsecure’’ key when the power supply is in the calibration

mode.

Front-Panel Voltage and Current Limit Settings

You can set the voltage and current limit values from the front panel using the

following method.

1Select the desired output and voltage range using the output selection keys

and voltage range selection keys after turning on the power supply.

2Press key to show the limit values on the display.

3Move the blinking digit to the appropriate position using the resolution

selection keys and change the blinking digit value to the desired voltage limit

by turning the control knob. If the display limit times out, press key again.

4Set the knob to current control mode by pressing key.

5Move the blinking digit to the appropriate position using the resolution

selection keys and change the blinking digit value to the desired current limit

by turning the control knob.

6Press key to enable the output. After about 5 seconds, the display will

go to output monitoring mode automatically to display the voltage and current

at the output.

Note All front panel keys and controls can be disabled with remote interface commands.

The power supply must be in "Local" mode for the front panel keys and controls to

function.

Use the voltage/current adjust selection key, the resolution selection keys,

and the control knob to change the voltage and current limit values.

Low

High

Display

Limit

Display

Limit

Current

Voltage

On/Off

Output

Display Annunciators

Adrs Power supply is addressed to listen or talk over a remote interface.

Rmt Power supply is in remote interface mode.

8V*/35V** Shows the low voltage range is selected.

20V*/60** Shows the high voltage range is selected.

OUT1 The output1 is selected for front-panel or remote operation.

OUT2 The output2 is selected for front-panel or remote operation.

OVP1 The output1 overvoltage protection function is enabled when the

OVP1 annunciator turns on or the overvoltage protection circuit has

caused the power supply to shutdown when the annunciator blinks.

OVP2 The output2 overvoltage protection function is enabled when the

OVP2 annunciator turns on or the overvoltage protection circuit has

caused the power supply to shutdown when the annunciator blinks.

CAL The power supply is in calibration mode.

Limit The display shows the limit values of voltage and current.

ERROR Hardware or remote interface command errors are detected and

the error bit has not been cleared.

OFF The output of the power supply is disabled (See page 59 for more

information).

Unreg The output of the power supply is unregulated (output is neither CV

nor CC).

CV The power supply is in constant voltage mode.

CC The power supply is in constant current mode.

TRACK The output1 and output2 are in track mode.

To review the display annunciators, hold down key as you turn on

the power supply.

Display

Limit

*For E3646A/48A models. **For E3647A/49A models.

The Rear Panel at a Glance

Use the front-panel key to:

• Select the GPIB or RS-232 interface (see chapter 3).

• Set the GPIB address (see chapter 3).

• Set the RS-232 baud rate and parity (see chapter 3).

1AC inlet

2Power-line fuse-holder assembly

3Power-line module

4Output 1 Rear output terminals

5Output 2 Rear output terminals

6 GPIB (IEEE-488) interface connector

7RS-232 interface connector

I/O

Config

In This Book

Quick Start Chapter 1 helps you get familiar with a few of the power supply’s the

front panel feature.

General Information Chapter 2 contains a general description of your power supply.

This chapter also provides instructions for installation of your power supply and the

output connections.

Front-Panel Operation Chapter 3 describes in detail the use of front-panel keys

and how they are used to operate the power supply from the front panel. This chapter

also shows how to configure the power supply for the remote interface and gives a

brief introduction to the calibration features.

Remote Interface Reference Chapter 4 contains reference information to help you

program the power supply over the remote interface. This chapter also explains how

to program for status reporting.

Error Messages Chapter 5 lists the error messages that may appear as you are

working with the power supply. Each listing contains information to help you diagnose

and solve the problem.

Application Programs Chapter 6 contains some remote interface applications to

help you develop programs for your application.

Tutorial Chapter 7 describes basic operation of linear power supplies and gives

specific details on the operation and use of your power supply.

Specifications Chapter 8 lists the power supply’s specifications.

Service Information Contains guidelines to return your power supply to Agilent

Technologies for servicing, procedures for verification & calibration, and component

locator diagram.

If you have questions relating to the operation of the power supply, call

1-800-829-4444 in the United States, or contact your nearest Agilent

Technologies Sales Office.

If your power supply fails within one year of purchase, Agilent will repair

or replace it free of charge. Call 1-800-258-5165 ("Express Exchange") in

the United States, or contact your nearest Agilent Technologies Sales Office.

DECLARATION OF CONFORMITY

According to ISO/IEC Guide 22 and CEN/CENELEC EN 45014

Revision: B.00.00 Issue Date: Created on 11/24/2003 3:07

Document No. KIO_40-49.11.24.doc

Manufacturer’s Name and Addresss

Responsible Party Alternate Manufacturing Site

Agilent Technologies, Inc. Agilent Technologies (Malaysia) Sdn. Bhd

550 Clark Drive, Suite 101

Budd Lake, New Jersey 07828

USA

Malaysia Manufacturing

Bayan Lepas Free Industrial Zone, PH III

11900 Penang,

Malaysia

Declares under sole responsibility that the product as originally delivered

Product Name: a) Single Output dc Power Supplies

b) Multiple Output dc Power Supplies

c) Single Output System Power Supply

Model Nu mber: a) E3640A, E3641A, E3642A, E3643A, E3644A, E3645A

b) E3646A, E3647A, E3648A, E3649A

c) E3633A, E3634A

Product Options: This declaration covers all options of the above product(s).

Complies with the essential requirements of the Low Voltage Directive 73/23/EEC and the EMC

Directive 89/336/EEC (including 93/68/EEC) and carries the CE Marking accordingly.

EMC Information ISM Group 1 Class A Emissions

As detailed in Electromagnetic Compatibility (EMC), Certificate of Conformance Number

CC/TCF/00/102 based on Technical Construction File (TCF) ANJ12, dated Dec

20, 2000.

Assessed by: Celestica Ltd, Appointed Competent Body

Westfields House, West Avenue

Kidsgrove, Stoke-on-Trent

Straffordshire, ST7 1TL

United Kingdom

Safety Information and Conforms to the following safety standards.

IEC 61010-1:2001 / EN 61010-1:2001

CSA C22.2 No. 1010.1:1992

This DoC applies to above-listed products placed on the EU market after:

January 1, 2004

Date Bill Darcy/ Regulations Manager

For further information, please contact your local Agilent Technologies sales office, agent or distributor, or

Agilent Technologies Deutschland GmbH, Herrenberger Stra

e 130, D71034 Böblingen, Germany

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