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I
DUAL OUTPUT POWER SUPPLY
Agilent MODEL E3630A
OPERATING AND SERVICE MANUAL
FOR INSTRUMENTS WITH SERIAL NUMBERS
KR85014528 AND ABOVE
For instruments with Serial Numbers above
KR85014528, a change page may be included.
Manual Part No. 5959-5329 April 2000
Edition 7
SAFETY SUMMARY
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 of design,
manufacture, and intended use of the instrument. Agilent Technologies assumes no liability for the customer's failure to comply
with these requirements.
BEFORE APPLYING POWER. SAFETY SYMBOLS
Verify that the product is set to match the available line volt-
Instruction manual symbol; the product
age and that the correct fuse is installed.
will be marked with this symbol when it is
GROUND THE INSTRUMENT. ! necessary for the user to refer to the
instruction manual.
This product is a Safety Class I instrument (provided with a
protective earth terminal). To minimize shock hazard, the
instrument chassis and cabinet must be connected to an or Indicate earth(ground) terminal.
electrical ground. The instrument must be connected to the
ac power supply mains through a three-conductor power
cable, with the third wire firmly connected to an electrical
ground(safety ground) at the power outlet. Any interruption of The WARNING sign denotes a hazard. It
the protective(grounding) conductor or disconnection of the calls attention to a procedure, practice,
WARNING
or the like, which, if not correctly per-
protective earth terminal will cause a potential shock hazard
formed or adhered to, could result inper-
that could result in personal injury. If the instrument is to be
sonal injury. Do not proceed beyond a
energized via an external autotransformer for voltage reduc- WARNING sign until the indicated con-
tion, be certain that the autotransformer common terminal is ditions are fully understood and met.
connected to the neutral(earthed pole) of the ac power lines
(supply mains).
The CAUTION sign denotes a hazard. It
DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE. calls attention to an operating procedure,
Do not operate the instrument in the presence of flammable CAUTION or the like, which, if not correctly per-
gases or fumes. formed or adhered to, could result in
damage to or destruction of part or all of
the product. Do not proceed beyond
KEEP AWAY FROM LIVE CIRCUITS.
CAUTION sign until the indicated condi-
Operating personnel must not remove instrument covers.
tions are fully understood and met.
Component replacement and internal adjustments must be
made by qualified service personnel. Do not replace compo-
nents with power cable connected. Under certain conditions, The NOTE sign denotes important infor-
NOTE
dangerous voltages may exist even with the power cable mation. It calls attention to a procedure,
removed. To avoid injuries, always disconnect power, dis- practice, condition or the like, which is
charge circuits and remove external voltage sources before essential to highlight.
touching components.
DO NOT SERVICE OR ADJUST ALONE. DO NOT SUBSTITUTE PARTS OR MODIFY INSTRUMENT.
Do not attempt internal service or adjustment unless another Because of the danger of introducing additional hazards, do
person, capable of rendering first aid and resuscitation, is not install substitute parts or perform any unauthorized modi-
present. fication to the instrument. Return the instrument to a Agilent
Technologies Sales and Service Office for service and repair
to ensure that safety features are maintained.
Instruments that appear damaged or defective should be made inoperative and secured against unintended
operation until they can be repaired by qualified service personnel.
1-2
Table of Contents
SAFETY SUMMARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
SAFETY AND EMC REQUIREMENTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
INSTRUMENT AND MANUAL IDENTIFICATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
ACCESSORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
LINE FUSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
INITIAL INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Mechanical Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Electrical Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
INSTALLATION DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Location and Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Outline Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Rack Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
INPUT POWER REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Power Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
TURN -ON CHECKOUT PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Tracking Ratio Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Overload Protection Circuits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Operation Beyond Rated Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Connecting Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Parallel Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Series Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
LOAD CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
PULSE LOADING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
REVERSE CURRENT LOADING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
OUTPUT CAPACITANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
REVERSE VOLTAGE PROTECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
1-3
GENERAL INFORMATION between your instrument and the instrument described by this
manual. The Change Sheet may also contain information for
correcting errors in the manual.
INTRODUCTION
This section contains general information concerning the
E3630A triple output power supply. Included are safety con- OPTIONS
siderations, safety and EMC requirements, instrument and Options OE3 and OE9 determine which line voltage is
manual identification, option and accessory information, selected at the factory. The standard unit is configured for 115
instrument description, and specifications. Vac