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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. Hewlett-Packard Company assumes no liability for the customer's failure to 
comply with these requirements.

BEFORE APPLYING POWER.
Verify that the product is set to match the available line volt-
age and that the correct fuse is installed.

GROUND THE INSTRUMENT.
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
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 protective(grounding) conductor or disconnection of the
protective earth terminal will cause a potential shock hazard
that could result in personal injury. If the instrument is to be
energized via an external autotransformer for voltage reduc-
tion, be certain that the autotransformer common terminal is
connected to the neutral(earthed pole) of the ac power lines
(supply mains).

DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE.
Do not operate the instrument in the presence of flammable
gases or fumes.

KEEP AWAY FROM LIVE CIRCUITS.
Operating personnel must not remove instrument covers.
Component replacement and internal adjustments must be
made by qualified service personnel. Do not replace compo-
nents with power cable connected. Under certain conditions,
dangerous voltages may exist even with the power cable
removed. To avoid injuries, always disconnect power, dis-
charge circuits and remove external voltage sources before
touching components.

DO NOT SERVICE OR ADJUST ALONE.
Do not attempt internal service or adjustment unless another
person, capable of rendering first aid and resuscitation, is
present.

SAFETY SYMBOLS

Instruction manual symbol; the product
will be marked with this symbol when it is
necessary for the user to refer to the
instruction manual.

Indicate earth(ground) terminal.

The WARNING sign denotes a hazard. It
calls attention to a procedure, practice,
or the like, which, if not correctly per-
formed or adhered to, could result inper-
sonal injury. Do not proceed beyond a
WARNING sign until the indicated con-
ditions are fully understood and met.

The CAUTION sign denotes a hazard. It
calls attention to an operating procedure,
or the like, which, if not correctly per-
formed or adhered to, could result in
damage to or destruction of part or all of
the product. Do not proceed beyond
CAUTION sign until the indicated condi-
tions are fully understood and met.

The NOTE sign denotes important infor-
mation. It calls attention to a procedure,
practice, condition or the like, which is
essential to highlight.

DO NOT SUBSTITUTE PARTS OR MODIFY INSTRUMENT.
Because of the danger of introducing additional hazards, do
not install substitute parts or perform any unauthorized modi-
fication to the instrument. Return the instrument to a Hewlett-
Packard 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.

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Содержание E3630A

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Страница 2: ... personnel Do not replace compo nents with power cable connected Under certain conditions dangerous voltages may exist even with the power cable removed To avoid injuries always disconnect power dis charge circuits and remove external voltage sources before touching components DO NOT SERVICE OR ADJUST ALONE Do not attempt internal service or adjustment unless another person capable of rendering fi...

Страница 3: ...lectrical 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 LOA...

Страница 4: ...erence between your instrument and the instrument described by this manual The Change Sheet may also contain information for correcting errors in the manual OPTIONS Options OE3 and OE9 determine which line voltage is selected at the factory The standard unit is configured for 115 Vac 10 47 63 Hz input Option No Description OE3 230 Vac 10 47 63 Hz Input OE9 100 Vac 10 47 63 Hz Input 910 One additio...

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Страница 6: ...Diagram Figure 1 illustrates the outline shape and dimensions of the supply Rack Mounting This supply may be rack mounted in a standard 19 inch rack panel either by itself or alongside a similar unit Please see the ACCESSORY page 1 4 for available rack mounting accessory The rack mounting kit includes complete installa tion instructions INPUT POWER REQUIREMENTS Depending on the line voltage option...

Страница 7: ...voltage add the voltmeter readings of the 20V and 20V output and use either the 20V or the 20V meter to measure the current Tracking Ratio Control With the Tracking Ratio control in the Fixed position the volt age of the 20V supply tracks that of the 20V supply within 1 for convenience in varying the symmetrical voltages needed by operational amplifiers and other circuits using bal anced positive ...

Страница 8: ...ity diode con nected across the output terminals so that if operated in series with other supplies damage will not occur if the load is short circuited or if one supply is turned on separately from its series partners When this connection is used the output volt age is the sum of the voltages of the individual supplies Each of the individual supplies must be adjusted in order to obtain the total o...

Страница 9: ...1 9 Figure 4 Reverse Current Loading Solution ...

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Страница 12: ...e Manual of the E3630A Triple Output Lab Bench DC Power supply Manual Part Number 5959 5329 Manual Print Date August 1999 Edition 6 For Instruments with Serial Numbers KR71810198 Change 1 On page 1 5 change the Meter Accuracy Specification at the Table 1 as follows From 0 5 of full scale 2 counts at 25 C 5 C To 0 5 of output 2 counts at 25 C 5 C E3630 90092 E3630 90092 Ó Copyright Hewlett Packard ...

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