Global Specialties 1335 Manuale utente

1335

& 1337

E C Povver Supply

1335 REGULATED

DCPOWER

SUPPLY

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POWER

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Instruction

ManuaI

GLOBAL

70 FultonTerrace. New Haven, CT 06512

B.OO-572-1O28

. FAX 203-468-0060

www. g Iobal s

peci alties. co m

7l9B B0-01

-0825

7335

E C Povver Supply

Instruction

70 Fulton Terrace . New Haven CT 065i2

aOO-

572- 1O2A . FAX 2O3-46a- 0060

www-g loba Ispec ia lties -cotr.l

ManuaI

GLOBALWre

7tqg B0-01-0825

TABLE OF G,o.NTEATTS

GENERAL

INFORMATION ...

page

SPECIFICATIONS.. ......

page

LOCATION

ANDDESCRIPTION

oFOPERATING

CONTROLS..

page

INSTALLATION ....

page

OPERATING

INSTRUCTIONS ......

page

POWER

SUPPLY

OPERATION. ..page

OPERATING

PRECAUTIONS

.. ....

page

CASE

DISASSEMBLY

AND

ASSEMBLY

... .page

MAINTENANCE

ANDRECALIBRATION ....

page

SERVICEAND

WARRANTYINFORMATION .....

page

PART

LIST ,...Page

SCHEMATIC .Page

L'sT OF ILLUSTF|ATTOruS

FIGURE

1.Location

ofoperating

controls .....Page

GEI'EF|AL TNFORMATION

DEscRIPTIo.N

The

1335

Power

Supply

ahigh

performance

singte

output

power

supply

for

industrial

andlaboratory

use.

Performance

with

economy

have

successfully

been

combined

provide

acompact,

fully

solid

state

instrument.

The

output

continuously

variable

from

oto

32v

and

can

supply

max,

and

can

beadjusted

continuously

throughout

the

output

range.

The

front

panel

CURRENT

control

can

used

establish

the

outfut

current

limit(overload

short

circuit).

When

the

supply

used

constant

voltage

source

the

VOLTAGE

controls

can

used

limit

the

output

voltage.

When

the

unitisused

a constant

current

source,

CURRENT

controls

can

beused

tolimit

the

output

current.The

unitwill

automatically

cross

overfrom

constant

voltage

tocurrent

mode

and

vice-versa,

the

output

current

orvoltage

exceeds

these

preset

limits.

Output

voltage

and

current

are

continuously

monitored

two

front

panel

meters.

The

load

terminals

are

provided

onthe

front

panel.

Either

the

positive

negative

output

terminal

may

grounded

orthe

power

supply

can

operated

floating

atupto

amaximum

oft3ooVDC

above

ground.

All

the

outputs

arefloating

i.e.

neither

the

output

positive

terminal

nor

the

negative

terminal

(nor

any

point

within

theregulator

circuitry)

con-

nected

ground.

The

power

supply

designed

operate

ambient

temperature

to40"C

and

full

outputmay

bedrawn

continuouslyprovided

free

air

circulation

allowed.

The

unitworks

from

mains

supply

of11SVAC,

47-63

Hz.

2GLOBAL*ECALTTT

INSTRUMENTS

SPEc.IFTc.AT'OruS

Detailed

specifications

the

power

supply

are

given

the

following

table.

Output

Voltage: 0-32V

continuously

variable

with

coarse

and

fine

voltage

controls.

Load

Current: 0-3Amp

max.,

continuously

variable

with

coarse

andfine

controls.

cOA'STANT VOLTAGE MODE REGULATION

Line: Less

than*0.01"/"

+2mv

for

* 10%

change

rine

voltage.

Load: Less

than

t0.01

"/o

+ZmV

for

load

change

from

zero

tofull

load.

Ripple

&Noise: Less

than

ImV

rms

max

.(2oHz-20

MHz)

cONSTANT CURRENT MODE REGIJLATION

Line: Less

than

t0.1"/o

+250pA

for

* ro%

change

rine

voltage.

Load: Less

thant0.1"/"

+250

for

change

output

volt-

agefrom

0volts

tomaximum

output

voltage.

Ripple

& Noise: 0.04%

rms.(2.0

mA)

Output

Polarity: Floating

w.r.t.

ground.

Overload

Protection:

Automatic

overload

and

short

circuit

protection.

Transient

Response:

1OOprsecs

towithin

lOmV

set

output

voltage

for

load

change

from

10%

9O%.

GLOBAL*ECALTTre .)

INSTRUMENTS

STABILITY

Total

drift

within

I hours: t0.1"/"

+2.SmV

inconstant

afterwarm

under

voltage

mode.

Constantline

load

&temp:

t0.5"/"

+2mA

constant

current

mode.

Panel

Meters: Digital

panel

meters

(marked

Vfor

voltmeter

and

A for

ammeter)

are

provided

with

accuracy

*3counts.

ModeIndication: Respective

LEDlights

upwhen

the

unitisworking

CVor

CCmode.

Output

Controls: Singleturn

coarse

andfine

voltage

and

current

controls

are

provided

onthe

front

panel.

OperatingTemp: 0-40'C.

fnput

Voltage: 11SVAC,

* 10"h,47-63H2

single

phase

Dimensions: 230mm(W)

x255mm(D)

x133mm(H).

Weight: 6.70

Kg(approx.)

GLOBAL *ECALTIES

4INSTRUMI:N'TS

o)g

(op

Fo.

roo

€o

qGLOE'AL *ECALT'ES

INSTRUMENI'S

LOCATION ANE' DESG|FITPTIo|N OF

oPEFATING c'o.NTFro|Ls,

order

use

the

full

capabilities

ofthe

1335,

itis

highly

recommended

that

the

user

become

familiar

with

the

controls

associated

with

this

in-

strument.(See

Figure

1- Power

oN/oFF

switch. 7- current

Fine

control

clock-

wise

rotation

increases

vari_

2- supply

LED

Display.

Dispray able

output

current

in cc

Voltage

0to

32VDCmode mode.

3- Supply

LED

Display.

Disptays

current

0to

3AMP. B- CV

LED

Constant

Voltage

In-

dication

4- Variable

coarse

voltage

con- g- cc LED

constant

current

trol. clockwise

rotation

in- Mode

Indication

creases

variable

outputvolt-

age

mode. 10-

Output

terminals

Red

terminal

output

(+)ve.

Black

termi_

5- Variable

fine

voltage

control. nal

output

(-)ve.

Clockwise

rotation

increases

variable

output

voltage

cV 11-

Ground

terminal.

mode.

6- Current

coarse

Control.

Clock-

wise

rotation

increases

vari-

able

output

current

mode.

GLOBAL *ECALTTES

6INS'fRTJMI]NIS

II'STALLATIOru

INITIAL 'NSPECTION

soon

the

power

supplyunitis

unpacked

inspect

for

any

damage

that

mayhave

occurred

during

transit.

Save

all

packing

material

until

inspection

completed.lf

anydamage

isfound,

notify

the

carriers

im-

mediately.

Ourauthorizedrepresentatives

should

also

benotified.

PHYSICAL CHECK

This

check

should

confirmthatthere

areno

broken

knobs

connec-

tors,

thatthe

cabinet

and

panel

surfaces

arefree

dents

andscratches

andthemeters

are

not

scratched

and

cracked.

ELECTRICAL CHECK

The

power

supplyunitshould

bechecked

against

electrical

specifica-

tions.Anin-cabinet

performance

checkwillverify

proper

operation.

'NSTALLATION DATA

The

power

supplyunit

shippedready

for

bench

operation.

ltisneces-

saryonlyto

connecttheunitto

arated

source

power

andit

ready

for

operation.

LOCATION

The

power

supply

unit

isnaturally

cooled.

Sufficient

spaceshould

kept

aroundtheunitwhilein

operation,sothatheat

sinksdonotremain

confined

space

anotherheating

source.The

ambient

temperature

the

area

aroundthe

unit

should

less

than40"C.

INPUT POWER REQUIREMENTS

The

power

supplyunitmaybeoperated

continuously

frominputvoltage

of115volts

47Io

63Hz

power

source.

GLOBAL*ECALT'6 7

INSTRUMENTS

ensure

safe

shipment

ofthe

power

supply

unit,

recommended

that

the

package

designed

for

the

unit

used.

The

original

packaging

material

isreusable.

sure

attach

atag

the

unit

specitying

the

owner,

and

the

fault

observed

with

abrief

description.

See

page

for

service

information.

REMOVING COVER

The

top

cover

isretained

place

6self

tapping

screws

two

handle

mounting

screws.

remove

cover,

proceed

follows:

a)Remove

the

chrome-plated

handle

caps.

Remove

the

handle

mounting

screws.

c)Remove

the

selftapping

screws

sides.

d)Lift

the

coverfrom

rear

side,

slide

backwards

pull.

GLOBAL *ECIALT'ES

INSI-f]TJMEN'TS

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