– 4 –
Following connectors are prepared on the front face of SC-910N. Connect the connectors coming from the
machine head to the corresponding places so as to t the devices mounted on the machine head.
1
CN30 Synchronizer : it detects the needle bar
position.
2
CN35 CP-170 panel : Various kinds of
programmed sewing can be executed.
(Refer to the Instruction Manual for each
panel for the details of functions.)
3
CN31 Machine head connector 4P
4
CN42 External input/output connector : input/
output of up/down detection signal, rotation
prohibition signal, etc. is prepared.
5
CN48 Safety switch (standard) : When tilting the
sewing machine without turning the power
OFF, the operation of the sewing machine is
prohibited so as to protect against danger.
Optional switch : by changing over the
internal functions, 6 kinds of functions can
be selected.
6
CN40 Presser foot lifter solenoid. (For automatic
presser foot lifter type only)
7
CN46
Machine head solenid : Thread trimming, reverse-
stitching solenoid, touch-back switch, etc.
8
CN47 Optional circuit board connection connector
: Required when using JUKI standard
bobbin thread remaining amount detection
sensor, etc.
9
CN39 Motor signal connector
!0
CN32 Standing machine pedal : JUKI standard
PK-70, etc. Sewing machine can be
controlled with the external signal.
!1
CN34 IP-110 panel (LCD panel) : Various kinds of
programmed sewing can be executed.
!2
CN45 Material end detection sensor ED-5, etc.
!3
CN43 Fan
* By adding the optional unit A, the following optional
devices of JUKI standard can be connected.
1
CN128 Left/right needle detection
2
CN127 Thread holding, thread suction, thread
drawing
3
CN122 Needle cooler (bottom fan)
4
CN121 Bobbin thread remaining amount detection
5
CN120 +24V external power source
6
CN123 Needle/bobbin thread remaining amount
detection sensor
7
CN125 External interface I/F D/A Input
8
CN126 Left/right lock SW, LED
9
CN129 Thread holding, thread suction, thread
drawing, bobbin thread remaining amount
detection.
WARNING :
• To prevent personal injury caused by abrupt start of the sewing machine, carry out the work after
turning OFF the power switch and a lapse of 5 minutes or more.
• To prevent damage of device caused by maloperation and wrong specifications, be sure to
connectallthecorrespondingconnectorstothespeciedplaces.
• To prevent personal injury caused by maloperation, be sure to lock the connector with lock.
• As for the details of handling respective devices, read carefully the Instruction Manuals supplied
with the devices before handling the devices.
5. Connecting the cords
Optional unit A
1
2
3
4
5
6
7
8
9
1
7
2
6
3
4
5
9
!0
8
!2
!3
!1
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