Connecting The Cords - JUKI SC-920 Instruction Manual

4. Connecting the cords

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 con-
nect all the corresponding connectors to the specified places. (If any of the connectors is inserted
into a wrong connector, not only the device corresponding to the connector can break but also it
can start abruptly, inviting the risk of personal injury.)
• 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.
The SC-920 is provided with the connectors listed below. Connect the sewing-machine connectors to the corre-
sponding control-box connectors according to the devices installed on the sewing machine.
(Caution) For the SC-920 Series, the machine head to be used with is to be selected in the course of the func-
tion setting procedure. To prevent an insertion error, remove the resistor pack for the machine head
selection before use.
❶ CN30
Motor signal connector
❷ CN38
Operation panel: Various kinds of sewing can
be programmed. (For details of the operation
panel other than CP-18, refer to the Instruction
Manual for the panel to be used.)
❸ CN33
Synchronizer : It detects the needle bar
position.
❹ CN37
Presser foot lifting solenoid (Only for the
automatic presser foot lifter type)
❺ 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.
❻ CN42
Thread trimming safety switch

❻

❶ ❺ ❷ ❼
❼ CN39
Standing machine pedal : JUKI standard
PK70, etc. Sewing machine can be controlled
with external signals.
❽ CN55
+24 V external power source
❾ CN57
Simplified production control counter input
 CN36
Machine head solenoid: Provided with sole-
noids for thread trimming, reverse feed stitch-
ing, one-touch type reverse feed switch.
 CN54
Material end detection sensor, etc.
 CN51
Optional function/device input/output.
 CN34
Pedal sensor: The pedal sensor supplied with
the SC-920 is to be connected to this connec-
tor to operate the sewing machine.
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❽
❾  ❹