Connector
No.
and location Drive signals and source
Symptoms resulting from wrong connection
·contoro
I
PCB.
I
I
P3
I
I
QLJ
I
Contorol
panel
PCB.
I
Contorol
PCB
I
P6
I
ffi
I P7 I
Progra'!lmer
~
f.~
·Contoro
I
PCB:
I
P4 I
~
Floppv
disk
Contorol
PCB
I P10 I
~
~
I J12 I
I
X
Hom~
Y
Hom~
pos
1 t 1
on
pos
1 t 1
on
PCB PCB
Contorol
PCB
I
P9
I
I
P6
I
Foot
switch
I
.
.4:
....
+SV
Speed
control signal
•
The
POWER
lamp does
not
come on.
• Although
the
speed
control dial
is
turned,
the machine
does
not
change the rotation
speed
and
keeps
it
at
2000
rpm.
Key
and
switch
signals
• Malfunction
of
programming device
Indicator control signals
Read
and
write
signals
•
Thefloppydiskdatacannotberead
.
from/to floppy
disks
X
and
Y
home
position
•
signals
EMERGENCY
stop
switch
•
signal
LED
·signal
•
The
machine
cannot
detect
home
position.
The
emergency stop fun$1:ion cannot
be
activated. f
The
EMERGENCY
stop
la'mp
lights
and
its
function cannot
be
cancelled.
Drive signal
.Work clamp
lifting
signal
•
The
machine neither starts operation nor
lifts the
work
clamp
if
the corresponding
foot
switch
is
depressed.
-60-
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