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3) Name and description on the outside connector of control box
① Standard solenoid connector ④ Tension-release and auxiliary solenoid
② Foot-lift solenoid ⑤ Switch and lamp(Used in twin-needle sewing machine)
③ Right/Left solenoid(Used in twin-needle sewing machine)
4) How to change the electric voltage supplied for solenoid (The factory installed setting is：J6)
※This is to make the movement of solenoid smooth in times of fluctuation in the incoming electric voltage.
① Set Value for electric voltage supplied (for 220V series) for Solenoid against the incoming voltage.
For 30V-regular Solenoid For 24V-regular Solenoid
Incoming Voltage Set Value
Below 210V J5
210V~230V J6
Above 230V J7
Incoming Voltage Set Value
Below 180V J5
180V~190V J6
Above 190V J7
[ Shape of pin ]
Connector Color：Green
Connector Color：Blue
[ No. of pin ]
Connector Color：White
4, 8：GND, VDC
(DC 46V or DC 32V)
9, 10：Button Ⓑ to insert/delete the
back-tack operation
11, 12：Button Ⓐ for manual back-
tack operation
1, 5：Back Tack Solenoid
2, 6：Thread-Cutting Solenoid
3, 7：Wiper Solenoid
Foot-Lift Solenoid Switch
Auxiliary Solenoid
Tension-Release Solenoid
①＋5V
②＋5V
③ L LED
④ R LED
⑤ L S/W
⑥ R S/W
⑦ GND
⑧ 4/4 (N.C)
⑨ 3/4 (N.C)
⑩ 2/4 (N.C)
⑪1/4 (N.C)
⑫ (N.C)
Right-Needle Control Solenoid
Left-Needle Control Solenoid
Foot-Lift Solenoid
[ Shape of pin ] [ No. of pin ]
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