Kenwood PR-A Series Manual de usuario

REGULATEDDCPOWERSUPPLY

PR-ASERIES

PR18-1.2APR18-3APR18-5A

PR36-1.2APR36-3A

PR70-1A

PR250-0.42A

INSTRUCTIONMANUAL

KENWOODCORPORATION

COPRINTEDINJAPANB63-0174-00(N)

36505

KENWOOD

CONTENTS

OUTLINE

• 4

FEATURES

• • • 4

SPECIFICATIONS

PRECAUTIONSFORUSE7

EXPLANATIONOFPANELS8

5-1.

FRONT

PANEL

• 9

5-2.

REAR

PANEL

OPERATIONPROCEDURES••••

••••

STAND-ALONE

OPERATION

• 11

6-2.

OPERATION

SERIES••••

• • 11

6-3.

OPERATION

PARALLEL

•

• •

MAINTENANCE

••14

REMOVINGTHE

CASE

7-2.

CHANGINGTHESOURCE

VOLTAGE

• 14

7-3.

FUSE

REPLACEMENT

• • 15

TROUBLESHOOTING• • • 16

tate.

This

instruction

manual

descrived

forseven

models

(PR18-1.2A,

PR18-3A,

PR18-5A,

PR36-1.2A,

PR36-3A,PR70-1A,

and

PR250-0.42A).

Refer

item

applied

your

product.

OUTLINE

The

PR-A

Series

isa

serial

controltyperegulted

DCpower

supply.

constantvoltage/current

power

supply

whose

output

canbe

varied

from

0 up

the

ratedvalues.

isa

compact

unit

which,

providedwith

both

voltage

and

current

calibrated

meters,

allows

both

voltage

and

current

tobe

monitored

simultan-

eous

ly.

terms

operabi

1 i ty,

the

unit enableshigh

precision,

continunes

riabi1ity

viacoarse

and

fine

adjust

knobs.

Weare

confident

that

the

unit's

designconceivedwith

the

user's

convenience

mind

enable

advantages

such

arrangement

easy

-to-

use

configurations

and

reliability

will

satisfy

your

needs

very

well.

With

thePR-A

Series,

multiple

units

ofthesamemodelcanbe

connected

parallel

set

upa

"one-control"master/salveconfigurationhavingincreased

current

output.

FEATURES

OThePR-A

Series

isa

constantvoltage/currentsupply

which

features

extremely

low

voltage

and

load

fluctuations

and

ripple

noise.

OControls

the

output

onand

off

using

output

switch.

OThe

unit

featuresseparatevoltage

and

current

meters

that

both

voltage

andcurrent

canbe

monitored

simultaneously.

OOutput

voltage

and

current

canbe

adjustedcontinuously

toany

desired

values.

Furthermore,

thevoltage

canbe

preset

easily

and

precisely

usingcoarse

and

fine

adjust

knobs.

OThe

constantcurrent

circuit

operates

protectagainstoverload

and

output

shorting.

The

limiting

current

canbe

preset

from

0 uptothe

ratedcurr

and

the

unit

can

also

used

asa

constantcurrentsupply.

OThe

units

enables"one-control"operationvia

connect

ion

series,

via

parallel

connection

ina

master/slaveconfiguration.

OUsing

optional

rack-mounting

adapter

(RK-604),

thePR

Series

canbe

installed

ona EIAor

JISrack.

SPECIFICATIONS

Item

PR18-1.2A PR18

PR18-5A

PR36-L

PR36-3A PR70-1A PR250-0.42A

Output

voltage

(continuosly

variable,

coarse

and

fine

adusts) 0

18V

36V

70V

250V

Output

current(continuoslyvariable)

1.2A

0.42A

Constant

voltage

characteristics

Input

fluctuation(for

surge

AC±10%)

0,01%+2mV

(3.8mV)

0.01%+2mV

(5.6mV)

0.01%+2mV

(9mV)

0.015K+M

(27mV)

Load

fluctuation(for

surge

1001)

0.01%±2mV

(3,8mV)

0.015HM

0.01%±2mV

(5.6mV)

0.01%+2mV

(9mV)

0.01JS+M

(27mV)

Ripplenoise,

rms

(10Hz

to1MHz)

[Note.

0.5mV

rms

lmV

rms

2.5mV

rms

Ripple

peak

(peak-to-peak)

[Note.

2mVp-p 6mVp-p

Transient

response(Output

current

100%)

100/isTypical

Tenperature

coefficient

150ppm/°C

Typical

Constant

current

characteristics

Input

fluctuation(for

surge

AC±10%)

2mA

Load

fluctuation(for

surge

100%)

10mA 10mA 15mA 15mA 15mA 10mA

Ripplenoise,

rms

(10Hz,

to1MHz)

[Note.

2.4mA

rms

6.0mA

rms

10mArms

2.4mA

rms

6.0mA

rms

2.0mA

rms

Ripple

peak

(peak-to-peak)

[Note.

3.6mA

p-p

12mA

p-p

15mA

p-p

5mA

p-p

12mA

p-p

6.0mA

p-p

Tenperature

coefficient

500ppm/°C

Typical

1nstrumentation

" 1

Voltmeter

(2.5-level-F.S.)

18V 36V 70V 250V

Ammeter

(2.5-level-F.S.)

1.2A

3A 5A

1.2A

3A 1A

0.42A

Constant-voltage

operation

indicator

Green

LED

goes

on.

Constant-current

operation

indicator

Red

LED

goes

on.

Item

PR18-1.2A PR18-3A PR18-5A

PR36-L

PR36-3A PR70-1A

PR250-0.42A

Funct

ons

Output

on/offswitching Turn

the

output

onand

off.

Serial

connection(independentcontrol

mode)

Can

connected

series(withinlimits

ground

proofvoltage.)

Parallel

operation(master-slave

mode)

Can

operated

"one-control"

parallel

configuration

(only

withother

machines

same

model.)

Output

Polarity Positive

nagative

ground

possible

Output

terminals

(color)

Of)red,

(-)white,

(GND)black

Ground

proofvoltage ±250VDC ±500VDC

Operat

ing

condi

t ions

Operating

Temperature/Humidity

Range

0to

40deg

80%

Storage

Temperature/Humidity

Range

-20

60deg

to85%

Cooling

mechanism

Naturalconvection

Power

consumption

VA/W

(forratedload

ofAC100V)

Approx,

60VA/45W

Approx

J25VA/100W

Approx.200VA/165W

Approx.

105VA/73W

Approx.

225VA/170W

Approx.l40VA/110W

Approx.200VA/155W

1nput

voltage

Voltage,

Frequency

AC100V

101

50/60Hz.120V/200V/220V/240V±

10%

(max.

250V)

Internal

switchingpossible

mentions

and

weight

Dimentions

(widthxheightxdepth)

104x147x180mm 104x147x215mm 138x147x230mm

104

147

180mm

138x147x230mm 104x147x215mm 138x147x230mm

Max.

dimentions(widthxheightxdepth)

108X161

200mm

108x167x265mm 142x167x290mm

108

161

200mm

142x167x290mm 108x167x265mm

142

167x

290mm

weight

Approx.

3.8kg

Approx.

5.7kg

Approx.

8.1kg

Approx.

4.4kg

Approx.

8.6kg

Approx.

5.8kg

Approx.

7.0kg

Accessory

terns

Instruction

Manual,

Fuses

Measured

with

positive

negative

grounded.

•

Circuit

and

ratings

subject

change

withoutnotice

dueto

developments

technology.

PRECAUTIONSFORUSE

1)Confirming

the

supplyvoltage

*Use

this

unit

within

the

specified

range.

The

unit's

ratedvoltage

single-phase

100/120/200/220/240VAC

±10X(max.

250V)

50/60Hz.

*The

ratedvoltage

indicated

onthe

specification

andname

platelocated

beside

the

input

connector

onthe

rearpanel.

*See

the

Maintenance

sect

ion(7-2.Changing

the

supp

lyvoltage)

for

information

onhowto

chang

the

ratedvoltage.

2)Precautionsforconnection

output

terminals

*This

unit

floating

type

power

supply.

For

ordinary

use,

surethat

the

MASTER/SLAVE

switch

onthe

rear

panel

issettoMASTER,and

that

either

the(+)

output

terminal

orthe(-)

output

terminal

isconnected

the

GND

terminal(case

GND)

via

the

shorting

bar.

Output

currentvalue

setting

*Toset

the

constant

currentvalue,

short-circuit

output

terminals

(

+ )

and

(-)and

deliver

theoutput

current.

Set-up

envi

ronment

*Be

sure

touse

this

unit

within

the

specified

ambienttemperaturerange

0to

40degC.

••Because

the

unit

iscooled

naturalconvection,

donot

placeobjects

top,place

the

unit

onor

near

any

heat-emittingdevice,

oruse

multiple

units

inany

stackedconfiguration.Also

usethe

unit

inan

environment

that

wellcross-ventilated

possible.

•igure

Figure

EXPLANATIONOFPANELS

5-1Frontpanel

©POWER

ON• /OFF•

The

power

switch,

The

power

supplyshould

beonand

operating

when

this

switch

isdepressed.

©OUTPUT

switch

Turns

theoutput

onand

off.

When

theoutputisturnedon,the

OUTPUTLED

goes

on.

©Voltmeter

ADC

voltmeter

that

indicates

theoutput

voltage.

©Ammeter

ADC

ammeter

that

indecates

theoutput

current.

^VOLTAGECOARSE

Coarse

adjust

knob

fortheoutput

voltage.

©VOLTAGE

FINE

Fine

adjust

knob

fortheoutput

voltage.

©CURRENT

Knob

for

setting

the

current

value

inthe

constant

current

mode.

can

beused

set

the

limiting

value

fortheoutput

current.

©Outputterminal

(

+ )

Terminalfortapping

(+)output

voltages.

©Outputterminal

(-)

Terminalfortapping

of(-)

output

voltages.

©GNDterminal

The

ground

terminal,

itisconnected

the

main

chassis.

Normally,

this

terminal

isconnected

either

the

(

)

or(-)

terminal

with

short

bar.

©Short

bar

Normal

use,

this

bar

connects

between

GNDand

output

(

)

output

(-)

terminals.

@CVLED

(Green)

The

LED

keeps

lighting

inprocess

constant-voltageoperation.

v^CC

LED

(Red)

The

LED

keeps

lighting

inprocess

constant-current

operation.

5-2,

Rear

panel

®MASTER/SLAVE

switch

Used

during

"one-contro

parallel

operation

inthe

master/slave

configuration.

During

normal

operation,

the

switchshould

set

toMASTER.

(Fordetails,

see

section6-3;

"Parallel

Operation.")

(©IN/OUT

terminalsforparallei

operation

Controlterminalsfor

useinthe

"one-control"

parallei

operation

mode.

©Power

cable

Approx.

meter-long

power

cable,

equipped

withstandardwallplug.

©Heat

sink

heat

dissipator

for

the

transistors,

careful

this

area

can

beco*™

quite

hot

duringoperation.

6.OPERATIONPROCEDURES

6-1.

Stand-alone

operation

*When

using

thepower

supply

stand-alone,simplyoperate

manipulation

the

panel

switches

needed.

However,

surethat

theMASTER/SLAVE

switch

isset

MASTER.

6-2,Serial

connection

Twoormore

units

ofthepower

supply

canbe

hooked

upin

series

achieve

increase

output

voltage.

The

final

output

wi11bethesum

the

outputs

ofthe

individual

units.

this

situation,

however,

care

must

takenthat

the

voltage

niether

ofthe

terminalswithrespect

thechassis

GND

exceeds

the

ground

proof

voltage.

*In

the

case

serial

operation

oftwo

units

(both

same

model);

Forconnection

asin

Fig.4,

the

output

voltage,

but

output

currentwi

limited

within

the

value

specified

for

single

unit.

Forconnection

asin

Fig.5,

where

intermediatepointis

hooked

upto

ground,

the

configuration

canbe

used

asa

plus/minus

power

supply.

fConnection

ofGND

For

positive

ground

(dotted

line)

Fornegative

ground

(solidline)

E0-E1+ E2

Intermediatepoint

hooked

upto

ground.

Figure

Load

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