JUKI SC-921 User Manual

– 3 –
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correspondingconnectorstothespeciedplaces.
• 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.
3. Connecting the cords
Following connectors are prepared on the SC-921. 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 Motor signal connector
2
CN38 Operation panel: Various kinds of sewing
can be programmed. (For details of the op-
eration panel other than CP-18, refer to the
Instruction Manual for the panel to be used.)
3
CN33 Synchronizer : It detects the needle bar
position.
4
CN37 Presser foot lifting solenoid (Only for the
automatic presser foot lifter type)
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.
OPTION switch: Input function can be
changed by changing over the internal
function with this switch.
6
CN42 Thread trimming safety switch
7
CN39 Standing machine pedal : JUKI standard
PK70, etc. Sewing machine can be con-
trolled with external signals.
8
CN55 +24 V external power source
9
CN57 Simplied production control counter input
!0
CN36 Machine head solenoid: Provided with so-
lenoids for thread trimming, reverse feed
stitching, one-touch type reverse feed switch.
!1
CN54 Material end detection sensor, etc.
!2
CN51 Optional function/device input/output.
!3
CN56 Optional function/device output (solenoid
valve output).
!4
CN34 Pedal sensor: The pedal sensor supplied
with the SC-921 is to be connected to this
connector to operate the sewing machine.
8
!0
497251
3
6
!1
!2
!3
!4

JUKI SC-921 Specifications

General

Brand	JUKI
Model	SC-921
Category	Sewing Machine
Language	English