Mitsubishi LU2-4410 - ADJUSTMENT AND OPERATION OF CONTROL UNIT; Option connectors

ADJUSTMENT AND OPERATION OF CONTROL UNIT
UDS: Needle UP/DOWN control by back tack switch
Allows a half stitch to be sewn by turning on the back tack switch S7 when the sewing
machine has stoped.
D: Start backtacking speed varying switch
Allows start backtacking speed to be changed (between low and backtacking speeds) in
accordance with the pedal toeing degree.
2. Option connectors
Lever Encoder
Option 1
/ \
LOW HIGH
Position
0
(D (g) ®
0 (5) (I)
0 0 0
Detector
Option 1
Control
switch
panel
Run (high speed) 9
VC1
Run (low speed)
8
+12V
7
Correction stitching 6
VC2
1
UP/DOWN control 5
Variable-speed signal 4
Thread trimmer
3
nIE
—
OV ,
^ 1
Run (medium speed) 2
OV 1
External knob 10k n
Option 2
-SH
—CK
One-shot 6
UP position signal 5
DOWN position priority stop 4
Power supply
3
UP position priority stop/emergency stop signal 2
OV
1
Presser foot UP
+12V
—40mA
OV
Sewing machine
OV 1 Back tack output 12
Presser foot UP signal
2
+30V 11
Presser foot UPoutput ♦
3
OV 10
PresserfootUPoutput— 4 Back tack signal 9
+30V
8
—
7
Thread trimming safety/thread trimming cancel
6
OV
5
Thread trimmer output 4
+30V 3
Wiper output 2
Ground 1
A
AAA
0
Option 2 Sewing
mashine
Presser
toot up
SG/TL
Sewing machine
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From the library of Superior Sewing Machine & Supply LLC - www.supsew.com