Mitsubishi FREQROL-SFJ Manuel utilisateur
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LiC
SPINDLE
DRl.i/E
. . . .
t
.,.
..
-SFJ
L
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P
MAINTENANCE -MANUAL
:
BNP-A282 l-02-A-E
ADVANCED AND EVER ADVANCING
n/lmJBlsHl
ELEcTmc
-CO.NTENTS-
1.
GENERAL
1.1
Introduction
1.2
Safety during
maitenance
and troubleshooting
1.3
Storage
2. WIRING
2.1
External wiring
2.2
Parts arrangement
3. ADJUSTMENT
3.i
Preliminary check
3.2
Power feeding
3.3 FR-SFJ status display and parameter settings
.
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.
1
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.1
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.1
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2
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3
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3
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10
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12
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12
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13
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15
3.3.1 (A) Status display and parameter setting
for ROM version A
.
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.
17
3.3.2
(B)
Status display and parameter setting
for ROM versions after BO
3.4 Spindle control monitor on NC CRT dispaly
.
.
.
.
when FR-SFJ is connected to M300 CNC
through bus line
3.5 Spindle control monitor on NC CRT display
.
.
.
.
when FR-SFJ is not connected to M300
CNC through bus line
3.6 Test operation
3.7 Adjustment of motor speed
3.8 Adjustment of oriented spindle stop function
3.9 Parameter list
4. CARD SETTINGS AND CHECK TERMINALS
4.1
Card SFJ-CA1
4.2
Card SF-ORJ
4.3
Card SF-TLJ
4.4 Card SF-DAJ
5. ADDITION AND REPLACEMENT OF COMPONENT
5.1 Addition of option card (SF-ORJ, SF-DAJ and
SF-TLJ)
5.2 Replacement of card
5.3 Replacement of ROM
5.4 Replacement of diode moduie and transistor
module
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2C
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26
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29
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32
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32
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34
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42
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50
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50
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55
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56
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57
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58
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58
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59
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60
. . . . .
61
5.5 Disassembly and assembly of SJ-J type AC spin-
dle motor
.
.
.
.
.
63
-
1/2-
6.
INSTALLATICN OF ORIENTED SPINDLE STOP POSITION
DETECTOR
6.1 Magnesensor l-point oriented spindle stop
7.
DISCHARGE RESISTOR UNIT
a.
TROUBLESHOOTING
a.1
General information
,a.2
First step of troubleshooting
a.3
Second step of troubleshooting
8.4 Alarm and warning table
a.5
"Alarm/warning"
display by LED readout
9. PERIODIC INSPECTION
9.1
Inspection of control equipment
9.2
Inspection of motor
9.3
Inspection of discharge resistor unit
10. PARTS LIST
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72
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72
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a2
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a3
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a3
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a4
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86
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a9
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94
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.
115
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115
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116
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ii8
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.
119
-2/2-
$1.
GENERAL
1.1
Introduction
AC spindle drive unit, FR-SFJ series, is the inverter use,?
,-
to control a machine tool spindle drive AC motor.
It is capable of
contro.lling
widely ranged motor speeds ac-
curately and quietly.
Discharge resistors are
connectec
t-:
the drive unit to disperse regenerative energy for regenera-
tive braking of motor.
This manual mainly describes periodic maintenance and trou-
bleshooting which are very important to assure successful
use of your AC spindle
drive.unit.
1.2
Safety during
maitenance
and troubleshooting
The maintenance and troubleshooting should be done with the
following safety consideration:
o The control system should be maintained and remedied by
qualified electrician.
o When a person who maintains or remedy the control system
must touch a part of control system under live condition,
he should take off finger ring, wristwatch, necktie pin,
and other metallic goods before starting the work.
o Electric shock may cause fatal accident.
When a circuit at high voltage must be checked, due care
should be taken to select appropriate test/inspection
equipment, tools, etc.
and to use them safetly (no matter
whether or not the circuit is grounded).
When a test equipment is applied to a part, component, or
circuit of the unit,
operator should pay attention not to
touch a grounded part.
In general,
test equipment should not be grounded.
During test or measurement, it is likely that high voltage
is present across the test equipment and the ground.
When motor is run during adjustment or remedy, due care
should be taken in this respect.
o Person who carries out maintenance or remedy of rotative
machinery should not wear loosely (otherwise loose wear
-
l-
might be involved into the running machine.
o DO NOT TURN OFF THE POWER IMMEDIATELY AFTER OPERATION IS
TERMINATED.
THE UNIT SHOULD BE HELD TURNED ON FOR AT
LEAST 10 MIN.
FOR COOLING THE DISCHARGE RESISTOR UNIT
(BY COOLING FAN), AFTER THE OPERATION.
IF THE DRIVE UNIT IS TURNED OFF IMMEDIATELY AFTER THE
TERMINATION OF OPERATION, THE RESISTOR UNIT COOLING FAN
STOPS AND RESIDUAL HEAT, OF RESISTOR UNIT MIGHT CAUSE BURN-
ING OR DAMAGE TO OTHER COMPONENTS OF DRIVE UNIT.
o Do not touch the drive unit immediately after the opera-
tion is terminated (maintenance or remedy should be start-
ed in about 5 min. after the operation is terminated).
1.3
Storage
When your AC spindle drive unit is not used, store it in
clean and dry environment.
Note that humidity and dust entering into the control unit
may adversely affect insulation resistance of the drive unit.
When your, AC spindle drive unit is left out of operation for
any length of time, the same cautions should be taken.
It is recommended,
if the storage is humid, to use a heater
to keep the environment dry.
.
-
2
-
f-
c
92.
WIRING
2.1
External wiring
2.1.1 Control system.where FR-SFJ is not connected
through bus line
a. Analog speed reference
signal
“““chins
rc*dy”
Input
FWd
r””
command
R.3” run
command
orlsnttd
eplndl*
atoP
commmd
I.“*-spewi
qsllr
select
“rdlum-specrl
genr
select
AUI
.
Input
I
E
Yir:
AUX.
input 2
A
C4I
I
“Up-to-speed”
st.m.1
O”tpUt
Zero
speed
output
5111”“1
“rlcntation
complete
(
In-po~ltIorl)
output
-
AUX.
output
1
I
.
36
*“I.
output 2
Is=_
RI
e
21
to
M300
Nischarne
r-es
-
3
-
b.
Digital speed reference signal (option card SF-DAJ is used)
Basic system composition
F
R
-
S
F
J
-
2
-;;I;
K
-
D
“VP-to-epee.9,
OUrpUt
aima,
“Zero
speed”
output
signal
tJr,entstion
ccmplett
(in-porrItIon~
signal
A”X.
O”Ip”t
I
A”X.
output 2
speed
meter
Lord
rnCtCr
‘SF-DAJ”
Note 1:
This input port is used for speed
reference signal selection
between “analog” and “digital”.
For details, refer to paragraph
3.1.2
“Auxiliary input signals”
in the Standard Specifications.
-
4
-
f---
c
c
c. Control system equipped with oriented spindle stop func-
tion
A circuit illustrated below is added to the basic system.
(1) Magnesensor type oriented spindle stop (1 point)
see-
cification
(+
motor
speed feedback signal output)
(For spindle speed display/sync. feed
signal)
.
f
_---
---
--
Option card
I
‘SF-DA
1’
OI-
'SF-OHJ'
.!.
_^
Maqnesensor
display/sync. feed signal
_____h
To NC
(A.B,Z
phases)
Pulse nu Number of pulses is
128/(reduction ratio).
detect
Magnesensor
(2)
Encoder type oriented spindle stop (4096
cification,
equipped with index function
+_----_--_T_~
points)
spe-
Option card
'SF-D41'
Oriented stop
position command
Speed display/sync. feed signal
e
To NC
(1024P/rev
A.B.2
phases)
er
detect signal
-
5
-
(3)
Z-phase controlled motor built-in encoder type ori-
ented spindle stop (4096 points) specification, equip-
ped with index function
Motor detector signal
_______----------
Option card
'iented
spindle
'5
F-DA
1’
top
position
ed display/sync. feed signal
Tmmand
SF-OKJ'
-----hTo
NC
(128P/rev
A,B,Z
phases)
-.
-
6
-
2.1.2 Control system where FR-SFJ is connected to M300
,through
bus line (option card SF-TLJ is used)
FR-SF
J -2
$K-T
a. Basic system composition
I
QR
I
I
Poker
supply
I
J
Connection is not
required for CON1
signal in usual
operation.
c
c
c
I/O signal assignment
CM300
series interface)
c
SRI
jY251~Y2DI
CNI
____
A
‘<
1
‘<
2
,I
IVEIl
I
so
CNll7
,
‘<2
!
le
7
:
'SF-TL.J'
Ot-
'SF-RSJ'
To
CNlB
of
final axis
MR-S servo
amplifier
Rev
run Index
/Y255;Y2D5
ORC
lY256!Y2D6
BLS
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“on”
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IXIC4/X244
us
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-
7
-
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