HOW
TO
USE
THE
CONTROL
BOX
(LE-MDF)
(2)
15
COR:
16
IL:
17
+1
18
SL
19
FL:
Compensation
stitching.
(High
speed
switch)
Releasing of
interlock
for
thread
trimming
^
Slow
start
switch
Releasing of
automatic
presser lifting by
82.
0
1
Needle
2
Needles
SL
OFF
ON
ON
+1
OFF
OFF
ON
Time
delay
volume
PSU
PSD
Ldelay-J
Internal
variable
resisters
The
time
delay
volume
is provided
within
the
LE-
MDF
type
machine
to
get time delay with range of
0.05
~ 3
sec.
The
machine
stops
delaying by
set
time
after
the
signal of PSU;
stop
preferentially at
the
up position
and
of
PSD; at
the
down position, which are input
by sensing
the
end
of clothing with a
photo
switch
or
the
like.
For
reference,
it has
been
turned
coun
terclockwise to the end (min.) at the factory.
Operation
>\
Stop
Delay
time
(3)
Option
connector
Variousexternal controls can be used by connecting external
signal
to the option connector.
For
contacts necessary for input signal, use reliable one.
® © (D
Speed
Clutch
aa.
© ®
Power
Brake
connector
Option
1
Stitching
(High speed)
9
Stitching
(Lowsp^l
8
Variable
voltage
7
Amend
Hitching
6
Needle
"UP"
5
Speed
change
command
4
Thread
trimming
3
Stitching
IMadium
speed)
2
OV
1
VCl
VC2
OV
LOW
84/Sa/S2
SO
COR
82
81
POSITION"
"6
Option
1
/\/\/\
®®®
f®®|
®®®
@(D©
©®®
®(HXD
Synchronizer
®®®
Switch
pane
Option
2
©
©©©
©
©
®®®
®®@
External
VR
llOkn)
Option
2
8H/CED
U-CK
PSD
One
shot
6
UP
position
signal
5
DOWN
position
Slop
4
Power
supply
3
UP
position
stop
(thread trimming)
2
OV 1
-17-
+12VMAX
40mA
PSU/ES
OV
Pressure Sewing machine
foot
Presser
foot
—0-
OV
1
Pressor
foot
signal
2
Pressor
foot
output
+
3
Pressor
foot
output
—
4
Sewing
machine
Touchbacic
output
12
♦
30
V
11
OV
10
Touchbacic
signal
9
+
30
V
8
Tension
release
7
Thread
trimming
safety
switch
6
OV
5
Thread
trimming
output
4
+
30
V
3
tWifier
output
2
GNO
1
—G>
87
"~0"
86
oNo-
—0-
-©•
-i"
Sewing
machine
body
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