YOKOGAWA 3142 User manual

·-

1E C

t··O·J\C..iP,.-"-l4i)

(._oP'-f

INSTRUCTIONS

INSTRUCTION

MANUAL

FOR

AC-DC

CONVERTER

TYPE

3 I

Edit.

YEW

INSTRUCTION

MANUAL

FOR

AC-DC

CONYER

TER

TYPE

3142

Edit.

s::::

I 'f7S. Z

3 ;no. 6

:::.

llJ

1965.

Dl::

1 J

'165.

Edit.

Paqe

Date

YOKOGAWA

ELECTRIC

WORKS.

LTD.

YEW

CONTENTS

Page

l .

GENERAL

DESCRIPTION

. . . . . . • . • . . . . • . . . . . . • . . . . . . . . l

FEATURES

I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 1 I 1 1 1 l

SPECIFICATIONS

.........

•••••••••••••••••••••

I • • • • 1

METHOD

OPERATION

. • . . • • • • • . . . . • . . . . . . . . . • . . . . 3

OPERATIONAL

FUNCTION

I I I I I I I I I I I I I I I I I 1 I 1 I 1 1 1 1 1 4

EXPLANATION

CONSTRUCTION

AND

OPERATION

• . . 5

ADJUSTMENT

...

••••

•••••••

•••••••••••••

••

••••

I 6

SELECTION

GALVANOMETER

AND

RECORDING

SENSITIVITY

...............

•••••••••••••••

I • • • • • • • • 7

CAUTIONS

FOR

USE

. . . • • . . . • • • . . . . . . . . . • . • • • . . . . • . . . 8

CIRCUIT

DIAGRAM

AND

LIST

PARTS

YOKOGAWA

ELECTRIC

WORKS,

LTD.

YEW

1 .

GENERAL

DESCRIPTION

This

equipment

manufactured

auxiliary

equipment

for

the

Photocorder

(namely

YEW

Electromagnetic

Oscillograph),

This

AC-DC

Converter

uses

the

G-l?OB

GALVANOMETER

convert

voltage

current

and

record

the

electro-

magnetic

oscillograph.

This

equipment

converts

sine

wave

voltages

frequency

kHz

1. 5

rnA

direct

current.

According

the

current

sensitivity

the

galvanometer,

with

the

use

the

Type

G-l?OA

galvanometer,

recording

about

200

possible,

This

equipment

also

signed

extract

1Om

output

using

slide

switch

accessory

the

X-

recorder,

addition,

there

another

AC-DC

Converter

(Type

3147)

our

product

line,

the

peak

value

rectifying

type,

with

excellent

linearity

and

frequency

characteristics,

FEATURES

The

features

this

equipment

are

follows:

The

rectifying

type

half-wave

rectification,

using

negative

feedback

amplification,

excellent

linearity

obtained.

The

operation

this

equipment

very

stable,

since

entirely

transistorized.

can

serve

accessory

servo-recorder

well

electromagnetic

oscillograph.

can

measure

maximum

250V

20cm,

since

correcting

attenuator

provided

the

input

circuit,

SPECIFICATIONS

Rectifying

type:

Half-wave

rectification

Voltage

scale

range:

10,

25,

50,

100,

250

0,5,

2,5,

and

V/cm

m 11

ranges

Frequency

characteristics

amplitude:

jYOKOGAWA

Within

±1

o/o

output

full

20kHz

scale

ELECTRIC

WORKS,

LTD.

-~::!--~_-j:r

______

······-····~-----=~~--Lr=_P--._

----~--

Maximum

output

current

and

voltage:

5mA

(maximum),

when

using

(GALVANOMETER)

side.

lOmV

(maximum),

when

using

(XY

RECORDER)

side.

Linearity:

Within

±l%

(at

kHz

full

scale

Accuracy

amplitude:

±l%

(at

20°C

±5o

Impedance:

Input

impedance;

Input

capacity;

Output

impedance;

Approximately

Less

than

Approximately

l kr2,

when

using

(GALVANOMETER)

side.

Approximately

lOOn,

when

using

(XY

RECORDER)

side.

Response:

the

even

-recording

direct-

recording

electromagnetic

oscillograph,

rise

time

for

90%

sec,

Influence

power

fluctuation

output:

Within

±0.

within

respect

power

fluctuation

lOOV

±10%,

Ambient

temperature

range:

Noise:

Meter:

Power

supply:

Power

consumption:

Transistor:

Within

P-P

SOf-LV

the

output

when

the

input

circuit

short

circuitted,

selection,

outputs

5mA

and

l OmV

can

read

from

the

lOOf-LA

ammeter

100

VAC

±lOY,

Hz,

60Hz

Approximately

7VA

Amplifier

section

Power

supply

section

2SA603

2SA546

2SB463

2SA603

Dimensions

and

weight:

Approximately

87,5

(width)mm

Accessories:

216

(height)mm

400(depth)mm

Approximately

Instruction

manual

copies

Test

report

copy

Power

cord

ea.

Fuse

ea.

~--~--------------·--~·-------------------------·--·--------------~------------------~

YOKOGAWA

ELECTRIC

WORKS,

LTD.

~---

[

tnm

YEW

METHOD

OPERATION

Power

For

the

power

supply,

lOOV

(50

60Hz)

used,

turn

the

power

supply

switch

the

"on'

position,

following

the

connection

the

power

receptacle,

that

the

equipment

immediately

starts

operating

since

entirely

transistorized,

Insert

the

input

measured

into

the

input

connecting

terminal

the

front

panel,

Set

the

slide

switch

the

rear

panel

approximately,

depending

whether

the

output

recorded

electromagnetic

oscillo-

graph

X-

recorder.

Adjust

the

input

signal

that

the

output

met~r

VOLT

SCALE"

will

indicate

within

5mA

(red

line)

case

recording

the

X-Y

recorder,

within

lOmV

(blue

line)

Because

current

sensitivity

galvanometer

(G-170B)

±1

Oo/o

precision,

that

error

calibrated

GALV

CAL

the

front

panel,

-----,-------------------]

LTD.}

----·-

YIW

OPERATIONAL

FUNCTION

Fig.

Front

and

rear

panels

Front

panel

•

the

output

meter,

the

upper

side

the

scale

indicates

output,

and

the

lower

side

the

m V

output.

VOLT

SCALE

Each

step

indicates

the

input

voltage

for

the

length

the

output

recording

paper,

means

the

input

voltage

attenuator.

INPUT

Input

connecting

terminal.

YOKOGAWA

ELECTRIC

WORKS,

LTD

YIW

GALV

CAL

For

the

calibration

current

sensitivity

galvanometer

(G-170B)

ONJ

OFF

Connection

power

supply

circuit.

Rear

panel

OUTPUT

Output

connecting

terminal,

100

VAC

Connector

used

when

applying

100

VAC

power

line

the

power

supply.

EXPLANATION

CONSTRUCTION

AND

OPERATION

RECTIFIER

0--

INPUT

HIGH

INPUT

IMPEDANCE

AMPLIFIER

0--

ATTENUATOR

CIRCUIT t

Fig.

Diagram

construction

(Input

attenuator)

•

The

input

impedance

100

k!JJ

with

the

voltage

ratio

ranges

from

lOmV/cm

20V/cm,

YOKOGAWA

ELECTRIC

WORKS,

LTD

OUT

PUT

YEW

(High

input

impedance

circuit)

The

circuit

employs

the

Darlington

connection

for

input

transistors,

thus

increasing

the

input

impedance;

the

input

impedance

the

normal

temperature

than

lMfJ,

(Amplifier)

Though

the

amplification

factor

reduced,

the

equipment

uses

negative

feedback

amplifier,

thus

obtaining

flat

gain

with

respect

the

frequency

change

from

approximately

30Hz

kHz

and

also

the

linearity

the

nonlinearity

the

diode

rectification,

The

half-wave

rectified

voltage

becomes

output,

and

the

combined

sine

wave

negatively

fed

back

and

thus

provided

with

linearity.

ADJUSTMENT

After

finishing

the

adjustment

the

test

results

were

recorded.

However,

should

trouble

encountered

accurate

measure-

ment

required,

the

following

adjustment

should

performed:

All

the

adjusting

portions

are

concentrated

the

printed

circuit

board

EEW-323A

and

Front

panel,

and

the

associated

adjustment

performed

the

following

three

volume

controls.

RVl

RVZ

RV3

Output

regulated

volume

(at

the

X-

recorder

side)

Output

regulated

volume

(at

the

GALVA

side)

power

supply

voltage

regulated

volume

Adjustment

(set

printed

circuit

board)

should

adjusted

that

the

power

supply

voltage

becomes

24V

with

the

load

connected.

Adjustment

RVl

(set

printed

circuit

board)

the

rangeof

lOmV/cm

the

"VOLT

SCALE",

apply

sine

wave

input

ZV,

kHz,

the

input

terminal

and

connect

the

X-

recorder

the

output

terminal,

and

calibration

should

made

that

deflection

can

made

the

range.

Adjustment

(set

front

panel)

Apply

the

sine

wave

ZV,

kHz,

the

input

terminal

the

range

lOmV/cm

the

"VOLT

SCALE'

and

connect

the

ammeter

the

output

terminal

(GALVANOMETER

side);

adjust

the

obtain

approximately

5mA.

But

used

caribrate

the

sensitivity

each

galvanometer.

YOKOGAWA

ELECTRIC

WORKS.

LTD.

YEW

SELECTION

GALVANOMETER

AND

RECORDING

SENSITIVITY

Galvanometer

Type

G-170B,

the

products

YEW,

are

the

most

suitable

ones

for

this

equipment,

This

type

have

sensitivity

deflection

the

current

sensitivity

when

using

the

external

damping

resistance

5mA

output,

thus

permitting

use

the

(VOLT

SCALE)

the

front

panel

is,

The

characteristics

other

types,

such

the

G-lOOA

and

G-170C

galvanometers,

are

given

below;

Flat

(±5%)

Current

Nominal

Required

Maximum

Linearity

Type

Frequency

Sensitivity

Coil

External Saje Within

Damping

Allowed

Number

Response

Resistance

Current Detlection

C/s

)JA/m,

1l n

G-100A

3 3 12 0 I I0 0

-170

B I0 0 3.3

17 1

-170

C 10 0 2.0 75 93 1

Galvanometer

characteristics.

The

above

describes

the

characteristics

the

galvanometer,

The

following

list

shows

the

overall

characteristics

when

using

the

Type

142

Coil

Current Input

3t4Z

Coil

Current

Type

o.t

f.SrnA

OutpUi

Voltage

(With

the

dampiWJ

Type

2'?02

Multiplier

Number

resistance

Type

zqoz

insterted)

)JA

)JA/2ocm

Indication

6"-

IOOA

7 0

0 4

G-1708

654

6b 0 10

G--l70C

8 3 0

400

Characteristics

this

equjpment

used

with

the

galvanometer.

YOKOGAWA

ELECTRrC

WORKS,

LTD.

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