Mitsubishi MELDAS TRS50 Manuale utente

CONTENTS

(1)

SPECIFICATIONS ........................................

(2)

DRIVE SECTION BLOCK DIAGRAM

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

(3)

CABLES

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

CABLE CONNECTIONS FIGURE

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

2) CABLES

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

(4)

OUTLINE DRAWINGS

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

1) TRANSISTOR AMPLIFIER

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

POWER UNIT ........................................

(5)

REPLACING AND HANDLING THE TRANSISTOR AMPLIFIER

.......

1) TRANSISTOR AMPLIFIER CONNECTIONS

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

2) CHECKPOINTS BEFORE SWITCHING ON POWER

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

3) CHECKPOINTS

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

DESCRIPTION OF CHECK PINS

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

DESCRIPTION OF VRS

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

DESCRIPTION OF PLUGS ..............................

CONNECTOR AND CHECK PIN LAYOUT

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

VR LAYOUT

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

SETTING PLUG LAYOUT ...............................

(6)

INSPECTION AND ADJUSTMENT METHODS

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

1) HOW TO MEASURE THE VOLTAGES AND CURRENTS

..........

2) TRANSISTOR AMPLIFIER INSPECTION

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

POWER UNIT INSPECTION

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

POSITION LOOP OFFSET AND DROOP ADJUSTMENTS

........

5) RESOLVER FEEDBACK ADJUSTMENT

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

MOUNTING THE DETECTOR .............................

INTRODUCTION

This manual outlines the maintenance procedures for using the

MELDAS

AC servo system. It details the methods involved in

replacing the transistor amplifiers as well as the inspection

locations and adjustments, and it should thus be read before

operating the AC servo system. Refer to the checkpoints before

switching on the power.

(1) SPECIFICATIONS

Item TRS50 TRS75 TRSl00 TRS150

Motor used HA40/80

HA100 HA200 HA300

Continuous output

20/30Arms 45Arms 66Arms 99Arms

current

Output torque (when

170/200

458

709 1036

used in combination kg.cm

kg.cm

with amplifier)

Rated output voltage

155Vrms 155Vrms 155Vrms 155Vrms

Alarm circuits Fin overheating protection (FOH), power

unit alarm (PUAL), motor overloading

(MOH),

TG over-speeding (TGOV),

over-

current detection (OVC), instant

over-

current protection (OCP), no-signal de-

tection

(NSG),

instant power failure

compensation and under-voltage

compensation (LVAL).

Power supply 310V (DC) across P-N

(With AC 220V factory power supply)

Control loop Current loop (sine wave approximation,

PWM)/Speed

loop

Control characteristics Speed control band:

500 rad/sec.

Speed control range:

1:10,000

-l-

.;:

(2) DRIVE SECTION BLOCK DIAGRAM

BLOCK DIAGRAM OF TRANSISTOR AMPLIFIER

(TYPE TRS)

Hain

circuitrv

area

I-----

MTR

MTR V MTR W

AX14 card

I-

From NC

rG.

CH3

cH4

From other

CON1

,-T.(i.

(I,

BLOCK DIAGRAM OF POWER UNIT

3-phase

AC200/220V

50/60Hz

Since transformers are not

included in the power unit,

the control unit and machine

must be grounded.

NFll

MC11 Mcl2

THMl

fl=@l

THM

Power unit

(tvoe

APO)

F12313

_TEll

P2-

24V

Fll(lOh)

I’

ZPI

AC100

rHb1

YFB

‘I

kLM

?US

Caoaci tor unit

(Woe

CU)

(

CABLE CONNECTIONS FIGURE

D-10

Detector

HAoo

D-10

\cE

B-2@

For

or higher

1oov

C--'M4

0nn

B-24 0.2

Set this to the

factorv

Dower

;

sunnlv.

Transformer

GlG2

.__,-13nn-nnn.

B-20 0.5

-cov

8OOVA

‘rRSclC1

B-16

1.25d

control

sionalb

ZP*-

I’

i-JB-243

or higher

from CNA73

-,-(TO

other amolifiers)

3-ohase

TPA-2 to axis 5

CABLES

ADUOO

,I.

J..

12P N

v-1u

Notes

epp

(1) flake all the AC

100V

cables B-20 or higher.

D-10

(2) Hake the length of wiring between the + and

of the

capacitor unit and P and N of the rectifier unitnotmore

Icuoo

than

258

mm.

Caoacitor

unit

--J

(3) The

zPL2

pin signals are given

below:

ALARM

+24V

RG (ground)

(4)

Keep

the

detector

cables and cables leading from the

Power unit

APUOO

system as far away from the motor

V, W wiring as

possible.

2) CABLES

Cable

name

Cable

Connector model

HR-20W5

HousinqURF-2OMOl

Contact

BIRP-31112

0Cannon

connector

CNA43-41

detector

cables

(for

ARST)

Pousins

MRP-20MOl

Contact

MRP-Ml12

0Canno.n

connector

Connector MS3103B20-29

Clamb

MS3057-12A

detector

Cable name Cable

l-l

Connector model

oZJ1

Case

bfR-2OW5

Housing MRP-20FOl

Contact MRP-FI12

19-n

CNA73-c

(cable

for

control

signals)

between

NC unit

Ind

amplifier

oCAM1

Case: MRSBL

MR-SBw

Housing

bfRP-5OFO

Contact

MRP -F 112

-60

Cable name

CNA88-0

(cable for

resolver

signal)

Cable

CNAS/CNAS 252-l/252-3

Connectar

model

RSl

oZJ2

RS2 Case

MR-2OW5

HousingMRP-20FOl

RCl Contact MRP

-F112

RC2

ROl

OCNA3-6

R02

Case:

MR-2BL

UR-28W

Housins

MRP-2OFOl

Contact

MRP-F112

between NC

unit and

amolifier

CNAS/CNAS

CNA4/CNA6 ZJ2-2/ZJ2-4

Connector model

ZPIZ

u20-6

oZJ5

ALARM

+24v

;

820-2

O’

Housing

5258-034

DUA-

ffia

nzo-0

’

COntaCt

7P BT

'Dower unit

Wire mark

ontrol cable)

oZPl2

Housing l-350355-9

I-

Contact 350019-2

(Pin no.)

(Pin

no.)

Connector model

ZJ4 ZJL

ALARU

RIO-6 oZJ4.ZJ5

+24V

n20-2

llc

lo'

R20-9

’

Housing

5258-034

TRA-1

’

COntaCt

5 16

7PBT

power unit

ontrol cable)

(Pin

no.)

(Pin no.)

-7-

(4)

OUTLINE DRAWINGS

TRANSISTOR AMPLIFIER

Note 1:

Fin-cooling fans are not provided

on the

TRS50

or TRS75.

-8-

Control

number

plate \

POWER UNIT

410

Transformer Unit

Domestic

specifications

Tl APU;;,

30, 70,

Export

specifications

APU 15-M, 30-M,

70-M, 72-M

max845

ii0

!as(

(185)

Outline

drawinq

of power unit

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