Mitsubishi MELDAS TRS50 Manuale utente
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CONTENTS
(1)
SPECIFICATIONS ........................................
1
(2)
DRIVE SECTION BLOCK DIAGRAM
...........................
2
(3)
CABLES
................................................
4
1)
CABLE CONNECTIONS FIGURE
..........................
4
2) CABLES
............................................
5
(4)
OUTLINE DRAWINGS
......................................
8
1) TRANSISTOR AMPLIFIER
..............................
8
2)
POWER UNIT ........................................
9
(5)
REPLACING AND HANDLING THE TRANSISTOR AMPLIFIER
.......
10
1) TRANSISTOR AMPLIFIER CONNECTIONS
..................
10
2) CHECKPOINTS BEFORE SWITCHING ON POWER
.............
12
3) CHECKPOINTS
.......................................
13
4)
DESCRIPTION OF CHECK PINS
.........................
14
5)
DESCRIPTION OF VRS
................................
20
6)
DESCRIPTION OF PLUGS ..............................
22
7)
CONNECTOR AND CHECK PIN LAYOUT
....................
25
8)
VR LAYOUT
.........................................
26
9)
SETTING PLUG LAYOUT ...............................
27
(6)
INSPECTION AND ADJUSTMENT METHODS
.....................
28
1) HOW TO MEASURE THE VOLTAGES AND CURRENTS
..........
28
2) TRANSISTOR AMPLIFIER INSPECTION
...................
31
3)
POWER UNIT INSPECTION
.............................
36
4)
POSITION LOOP OFFSET AND DROOP ADJUSTMENTS
........
39
5) RESOLVER FEEDBACK ADJUSTMENT
......................
41
6)
MOUNTING THE DETECTOR .............................
42
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8
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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
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
1)
BLOCK DIAGRAM OF TRANSISTOR AMPLIFIER
(TYPE TRS)
Hain
circuitrv
area
I-----
_-
MTR
U
MTR V MTR W
1
AX14 card
I-
From NC
rG.
CH3
cH4
From other
CON1
To
NC
1
,-T.(i.
I
t
I
(I,
0
2)
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.
I
W
I
NFll
MC11 Mcl2
THMl
1
fl=@l
THM
Power unit
(tvoe
APO)
F12313
_TEll
r
0
Pl
4
P2-
24V
Fll(lOh)
1
I’
-
ZPI
AC100
rHb1
YFB
:
1
.
I
I
c
1
‘I
kLM
?US
E
1
-_
1
Caoaci tor unit
(Woe
CU)
(
1
3)
1
CABLE CONNECTIONS FIGURE
D-10
e
1
Detector
q
HAoo
1
D-10
\cE
I
B-2@
#
For
NC
or higher
1oov
*
M4
C--'M4
0nn
nr
B-24 0.2
d
--
k
Set this to the
factorv
Dower
;
sunnlv.
I
Transformer
2
U
VW
GlG2
.__,-13nn-nnn.
,
B-20 0.5
d
-cov
8OOVA
z
u
-
‘rRSclC1
1
B-16
1.25d
I
control
sionalb
ZP*-
I’
i-JB-243
or higher
.
I
from CNA73
-,-(TO
other amolifiers)
3-ohase
I
TPA-2 to axis 5
I
lb
I
CABLES
P
_
-
1
I
I
ADUOO
i4
I
I
I
II
,I.
1
J..
.
.
I
I
12P N
v-1u
Notes
I
epp
I
(1) flake all the AC
100V
cables B-20 or higher.
I
D-10
Pi
I
(2) Hake the length of wiring between the + and
-
of the
M5
i
+
-
i
capacitor unit and P and N of the rectifier unitnotmore
I
Icuoo
1
1
than
258
mm.
I
Caoacitor
I
I
/
unit
I
l-
--J
(3) The
zPL2
pin signals are given
below:
1
I
2
I
3
ALARM
1
+24V
1
RG (ground)
(4)
Keep
the
detector
cables and cables leading from the
NC
Power unit
APUOO
system as far away from the motor
0,
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
d
a
a
a
a
Y
f
Cable name Cable
ZJ
l-l
Connector model
oZJ1
Case
bfR-2OW5
Housing MRP-20FOl
Contact MRP-FI12
CA
19-n
CNA73-c
(cable
for
control
signals)
between
NC unit
Ind
amplifier
oCAM1
Case: MRSBL
of
MR-SBw
Housing
bfRP-5OFO
1
Contact
MRP -F 112
-60
*
l
8
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
OK
UR-28W
SG
Housins
MRP-2OFOl
Contact
MRP-F112
between NC
unit and
amolifier
CNAS/CNAS
CNA4/CNA6 ZJ2-2/ZJ2-4
Connector model
ZPIZ
ZJ
5
L3
u20-6
3
oZJ5
ALARM
,
+24v
20
;
820-2
I
O’
2
Housing
5258-034
DUA-
1
ffia
nzo-0
’
08
COntaCt
5
16
7P BT
'Dower unit
Wire mark
ontrol cable)
oZPl2
Housing l-350355-9
L
I-
Contact 350019-2
n-
8
(Pin no.)
(Pin
no.)
Connector model
ZJ4 ZJL
ALARU
I
El
RIO-6 oZJ4.ZJ5
+24V
2
n20-2
llc
lo'
R20-9
’
0:
Housing
5258-034
TRA-1
3
’
08
COntaCt
5 16
7PBT
power unit
ontrol cable)
I
(Pin
no.)
a
(Pin no.)
-7-
(4)
OUTLINE DRAWINGS
1)
TRANSISTOR AMPLIFIER
Note 1:
Fin-cooling fans are not provided
on the
TRS50
or TRS75.
L
l
l
-8-
l
l
e
l
l
I
W
I
!
!
5
Control
number
plate \
2)
POWER UNIT
T
q
-.
--
I
410
,
Transformer Unit
Domestic
specifications
Tl APU;;,
30, 70,
Export
specifications
T2
APU 15-M, 30-M,
70-M, 72-M
max845
I_
ii0
!as(
(185)
-
Outline
drawinq
of power unit
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