Control Box (Sc-922); Connecting The Cords - JUKI SC-922 Engineer's Manual

5. CONTROL BOX (SC-922)

(1)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 connect all the corre-
sponding 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
Following connectors are prepared on the front face of SC-922. Connect the connectors coming from the machine
head to the corresponding places so as to fit the devices mounted on the machine head.
For the SC-922, the machine head to be used with is to be selected in the course of the function setting procedure.
To prevent an insertion error, remove the resistor pack for the machine head selection before use.
CN30 Motor signal connector
CN33 Needle bar position detector (+5V type): It detects
the needle bar position.
CN36 Machine head solenoid: Provided with solenoids
for thread trimming, reverse feed stitching, one-
touch type reverse feed switch.
CN37 Presser foot lifting solenoid (Only for the automatic
presser foot lifter type)
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.)
CN39 Standing machine pedal: JUKI standard PK70,
etc. Sewing machine can be controlled with ex-
ternal signals.
CN40 Separately driven-needle control solenoid: It is
used with the LH-4100 sewing machine provided
with a separately driven-needle control device.
CN41 Stepping motor: It is used only with the DLU-
5494N-7.
CN43 Synchronizer (+12V type): It detects the needle
bar position.
CN44 Hand switch: Hand switch other than the touch-
back switch.
CN48 Safety switch (standard): When tilting the sewing
machine without turning the power OFF, the op-
eration of the sewing machine is prohibited so as
to protect against danger.
OPTION switch: Input function can be changed
by changing over the internal function with this
switch.
CN51 Extended input/output connector
CN58 Extended input connector (for the sensor input,
etc.)
CN59 Extended output connector (for the solenoid valve
output)
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