Agilent Technologies 66311A User manual

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66311A Mobile Communications DC Source User's Guide
5962-8272
May 1998

USER’S GUIDE
HP Model 66311A
Mobile Communications
DC Source
For instruments with Serial Numbers:
HP 66311A: US38180101 and up
HP Part No. 5962-8272
Microfiche No. 5962-8273
Printed in USA: May 1998

iii
Safety Summary
The following general safety precautions must be observed during all phases of operation of this instrument.
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.
GENERAL
This product is a Safety Class 1 instrument (provided with a protective earth terminal). The protective features of
this product may be impaired if it is used in a manner not specified in the operation instructions.
Any LEDs used in this product are Class 1 LEDs as per IEC 825-1.
ENVIRONMENTAL CONDITIONS
This instrument is intended for indoor use in an installation category II, pollution degree 2 environment. It is
designed to operate at a maximum relative humidity of 95% and at altitudes of up to 2000 meters. Refer to the
specifications tables for the ac mains voltage requirements and ambient operating temperature range.
BEFORE APPLYING POWER
Verify that the product is set to match the available line voltage, the correct fuse is installed, and all safety
precautions are taken. Note the instrument's external markings described under "Safety Symbols".
GROUND THE INSTRUMENT
To minimize shock hazard, the instrument chassis and cover must be connected to an electrical ground. The
instrument must be connected to the ac power mains through a grounded power cable, with the ground wire firmly
connected to an electrical ground (safety ground) at the power outlet. Any interruption of the protective (grounding)
conductor or disconnection of the protective earth terminal will cause a potential shock hazard that could result in
personal injury.
ATTENTION: Un circuit de terre continu est essentiel en vue du fonctionnement sécuritaire de l'appareil.
Ne jamais mettre l'appareil en marche lorsque le conducteur de mise … la terre est d‚branch‚.
FUSES
Only fuses with the required rated current, voltage, and specified type (normal blow, time delay, etc.) should be
used. Do not use repaired fuses or short-circuited fuseholders. To do so could cause a shock or fire hazard.
DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE
Do not operate the instrument in the presence of flammable gases or fumes.
DO NOT REMOVE THE INSTRUMENT COVER
Operating personnel must not remove instrument covers. Component replacement and internal adjustments must be
made only by qualified service personnel.
Instruments that appear damaged or defective should be made inoperative and secured against unintended
operation until they can be repaired by qualified service personnel.

iv
SAFETY SYMBOLS
Direct current
Alternating current
Both direct and alternating current
Three-phase alternating current
Earth (ground) terminal
Protective earth (ground) terminal
Frame or chassis terminal
Terminal is at earth potential. Used for measurement and control circuits designed to be
operated with one terminal at earth potential.
Terminal for Neutral conductor on permanently installed equipment
Terminal for Line conductor on permanently installed equipment
On (supply)
Off (supply)
Standby (supply). Units with this symbol are not completely disconnected from ac mains when
this switch is off. To completely disconnect the unit from ac mains, either disconnect the power
cord or have a qualified electrician install an external switch.
In position of a bi-stable push control
Out position of a bi-stable push control
Caution, risk of electric shock
Caution, hot surface
Caution (refer to accompanying documents)
WARNING The WARNING sign denotes a hazard. It calls attention to a procedure, practice, or the like,
which, if not correctly performed or adhered to, could result in personal injury. Do not proceed
beyond a WARNING sign until the indicated conditions are fully understood and met.
Caution The CAUTION sign denotes a hazard. It calls attention to an operating procedure, or the like,
which, if not correctly 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 conditions
are fully understood and met.

v
Declaration Page
DECLARATION OF CONFORMITY
according to ISO/IEC Guide 22 and EN 45014
Manufacturer's Name: Hewlett-Packard Company
Manufacturer's Address: 150 Green Pond Road
Rockaway, New Jersey 07866
U.S.A.
declares that the Product
Product Name: a) Dynamic Measurement DC Source
b) System DC Power Supply
Model Number: a) HP 66311A, 66312A
b) HP 6612B, 6611C, 6612C, 6613C, 6614C
conforms to the following Product Specifications:
Safety: IEC 1010-1:1990+A1(1992) / EN 61010-1:1993
EMC: CISPR 11:1990 / EN 55011:1991 - Group 1 Class B
IEC 801-2:1991 / EN 50082-1:1992 - 4 kV CD, 8 kV AD
IEC 801-3:1984 / EN 50082-1:1992 - 3 V / m
IEC 801-4:1988 / EN 50082-1:1992 - 0.5 kV Signal Lines
1 kV Power Lines
Supplementary Information:
The product herewith complies with the requirements of the Low Voltage Directive
73/23/EEC and the EMC Directive 89/336/EEC and carries the CE-marking accordingly.
New Jersey November, 1997 ______
Location Date Bruce Krueger / Quality Manager
European Contact: Your local Hewlett-Packard Sales and Service Office or Hewlett-Packard GmbH,
Department TRE, Herrenberger Strasse 130, D-71034 Boeblingen (FAX:[phone])

vi
Acoustic Noise Information
Herstellerbescheinigung
Diese Information steht im Zusammenhang mit den Anforderungen der
Maschinenläminformationsverordnung vom 18 Januar 1991.
* Schalldruckpegel Lp <70 dB(A)
* Am Arbeitsplatz
* Normaler Betrieb
* Nach EN 27779 (Typprüfung).
Manufacturer's Declaration
This statement is provided to comply with the requirements of the German Sound Emission Directive,
from 18 January 1991.
* Sound Pressure Lp <70 dB(A)
* At Operator Position
* Normal Operation
* According to EN 27779 (Type Test).
Printing History
The edition and current revision of this manual are indicated below. Reprints of this manual containing
minor corrections and updates may have the same printing date. Revised editions are identified by a new
printing date. A revised edition incorporates all new or corrected material since the previous printing
date.
Changes to the manual occurring between revisions are covered by change sheets shipped with the
manual. In some cases, the manual change applies only to specific instruments. Instructions provided on
the change sheet will indicate if a particular change applies only to certain instruments.
This document contains proprietary information protected by copyright. All rights are reserved. No part
of this document may be photocopied, reproduced, or translated into another language without the prior
consent of Hewlett-Packard Company. The information contained in this document is subject to change
without notice.
Copyright 1998 Hewlett-Packard Company Edition 1 __________May, 1998

vii
Table of Contents
Warranty Information ii
Safety Summary iii
Declaration Page v
Acoustic Noise Information vi
Printing History vi
Table of Contents vii
1 - QUICK REFERENCE 1
HP 66311A Mobile Communication DC Source 1
The Front Panel - At a Glance 2
The Rear Panel - At a Glance 3
Instrument Configuration 3
Front Panel Number Entry 4
Front Panel Annunciators 5
Immediate Action Keys 5
Front Panel Menus - At a Glance 6
SCPI Programming Commands - At a Glance 7
2 - GENERAL INFORMATION 9
Document Orientation 9
Safety Considerations 10
Options and Accessories 10
Description 11
Capabilities 11
Front Panel Controls 11
Remote Programming 12
Output Characteristic 12
3 - INSTALLATION 15
Installation and Operating Checklist 15
Inspection 16
Damage 16
Packaging Material 16
Items Supplied 16
Cleaning 16
Location 17
Bench Operation 17
Rack Mounting 17
Input Connections 18
Connect the Power Cord 18
Output Connections 18
Current Ratings 18
Voltage Drops and Lead Resistance 19
Remote Sensing 19
Remote Sense Leads 20
Maintaining Stability while Remote Sensing 22
Output Compensation (High Mode/Low Mode) 22
Local Sensing 23
OVP Considerations 24
External Protection Connections 24
Digital I/O Connections 25

viii
Controller Connections 26
HP-IB Interface 26
RS-232 Interface 26
4 - TURN-ON CHECKOUT 29
Checkout Procedure 29
In Case of Trouble 31
Error Messages 31
Line Fuse 31
5 - FRONT PANEL OPERATION 33
Introduction 33
Front Panel Description 33
System Keys 35
Function Keys 36
Immediate Action Keys 36
Scrolling Keys 36
Metering Keys 37
Output Control Keys 38
Entry Keys 39
Examples of Front Panel Programming 40
1 - Setting the Output Voltage, Current, and Compensation 40
2 - Querying and Clearing Output Protection and Errors 41
3 – Making Front Panel Measurements 42
4 - Programming External Protection and the Digital Port Functions 44
5 - Setting the HP-IB Address and RS-232 Parameters 44
6 - Saving and Recalling Operating States 45
6 - INTRODUCTION TO PROGRAMMING 47
HP-IB Capabilities of the DC Source 47
HP-IB Address 47
RS-232 Capabilities of the DC Source 47
RS-232 Data Format 47
Baud Rate 47
RS-232 Flow Control 48
Introduction to SCPI 48
SCPI References 48
HP-IB References 48
Conventions Used in This Guide 49
Types of SCPI Commands 49
Multiple Commands in a Message 50
Moving Among Subsystems 50
Including Common Commands 51
Using Queries 51
Types of SCPI Messages 51
The Message Unit 52
Headers 52
Query Indicator 52
Message Unit Separator 52
Root Specifier 52
Message Terminator 52
SCPI Data Formats 53
Numerical Data Formats 53
Suffixes and Multipliers 53

ix
Response Data Types 53
SCPI Command Completion 54
Using Device Clear 54
RS-232 Troubleshooting 55
SCPI Conformance Information 55
SCPI Confirmed Commands 55
Non-SCPI Commands 55
7 - PROGRAMMING THE DC SOURCE 57
Introduction 57
Programming the Output 57
Power-on Initialization 57
Enabling the Output 57
Output Voltage 58
Output Current 58
Triggering Output Changes 59
SCPI Triggering Nomenclature 59
Output Trigger System Model 59
Setting the Voltage or Current Trigger Levels 59
Initiating the Output Trigger System 60
Generating Triggers 60
Making Measurements 61
Controlling Measurement Samples 61
Current Ranges and Measurement Detector 62
Window Functions 62
Voltage and Current Measurements 63
Pulse Measurements 63
Internally Triggered Measurements 65
SCPI Triggering Nomenclature 65
Measurement Trigger System Model 65
Initiating the Measurement Trigger System 66
Selecting the Measurement Trigger Source 66
Generating Measurement Triggers 66
Pre-event and Post-event Triggering 68
Programming the Status Registers 69
Power-On Conditions 69
Operation Status Group 71
Questionable Status Group 72
Standard Event Status Group 72
Status Byte Register 72
Determining the Cause of a Service Interrupt 73
Servicing Operation Status and Questionable Status Events 73
Monitoring Both Phases of a Status Transition 74
Inhibit/Fault Indicator 74
Remote Inhibit (RI) 74
Discrete Fault Indicator (DFI) 75
Using the Inhibit/Fault Port as a Digital I/O 75
8 - LANGUAGE DICTIONARY 77
Introduction 77
Subsystem Commands 77
Common Commands 81
Programming Parameters 81
Calibration Commands 82

x
CALibrate:CURRent 82
CALibrate:CURRent:MEASure:LOWRange 82
CALibrate:CURRent:MEASure:AC 82
CALibrate:CURRent:NEGative 82
CALibrate:DATA 83
CALibrate:LEVel 83
CALibrate:PASSword 83
CALibrate:SAVE 83
CALibrate:STATe 84
CALibrate:VOLTage 84
CALibrate:VOLTage:PROTection 84
Display Commands 85
DISPlay 85
DISPlay:MODE 85
DISPlay:TEXT 85
Measurement Commands 86
MEASure:ARRay:CURRent? FETCh:ARRay:CURRent? 86
MEASure:ARRay:VOLTage? FETCh:ARRay:VOLTage? 86
MEASure:CURRent? FETCh:CURRent? 87
MEASure:CURRent:ACDC? FETCh:CURRent:ACDC? 87
MEASure:CURRent:HIGH? FETCh:CURRent:HIGH? 87
MEASure:CURRent:LOW? FETCh:CURRent:LOW? 88
MEASure:CURRent:MAXimum? FETCh:CURRent: MAXimum? 88
MEASure:CURRent:MINimum? FETCh:CURRent:MINimum? 88
MEASure:VOLTage? FETCh:VOLTage? 89
MEASure:VOLTage:ACDC? FETCh:VOLTage:ACDC? 89
MEASure:VOLTage:HIGH? FETCh:VOLTage:HIGH? 89
MEASure:VOLTage:LOW? FETCh:VOLTage:LOW? 90
MEASure:VOLTage:MAXimum? FETCh:VOLTage:MAXimum? 90
MEASure:VOLTage:MINimum? FETCh:VOLTage:MINimum? 90
SENSe:CURRent:DETector 91
SENSe:CURRent:RANGe 91
SENSe:FUNCtion 92
SENSe:SWEep:OFFSet:POINts 92
SENSe:SWEep:POINts 92
SENSe:SWEep:TINTerval 92
SENSe:WINDow 93
Output Commands 94
OUTPut 94
OUTPut:DFI 94
OUTPut:DFI:SOURce 94
OUTPut:PON:STATe 95
OUTPut:PROTection:CLEar 95
OUTPut:PROTection:DELay 95
OUTPut:RI:MODE 96
OUTPut:TYPE 96
[SOURce:]CURRent 97
[SOURce:]CURRent:PROTection:STATe 97
[SOURce:]CURRent:TRIGger 97
[SOURce:]DIGital:DATA 98
[SOURce:]DIGital:FUNCtion 98
[SOURce:]VOLTage 98
[SOURce:]VOLTage:PROTection 99
[SOURce:]VOLTage:PROTection:STATe 99
[SOURce:]VOLTage:TRIGger 99