Connectors That Are Connected In The Head Cover; Wiring Diagram - JUKI LU-2800 Series Engineer's Manual

2) Connectors that are connected in the head cover

CN100 : 14P connector
o
Pin No. Part name
1 Thread release solenoid (lower side)
2 Thread trimmer solenoid (right side)
3 Thread release solenoid (upper side)
4 Thread trimmer solenoid (left side)
5 Reverse feed switch
6 Thread clamp solenoid
7 —
8 Thread release solenoid (lower side)
9 Thread trimmer solenoid (right side)
10 Thread release solenoid (upper side) +27V
11 Thread trimmer solenoid (left side)
12 Thread clamp solenoid
13 Reverse feed switch
14 —
(4) LU-2828-6

1) Wiring diagram

Details of the connectors wired to the machine head are as described below.
Refer to "2) Details of connectors" on the next page for details of connectors ① to ⑤ , ⑤ -1 and layout
of the pins.
Thread clamp solenoid
Tension release solenoid (upper side)
Tension release solenoid (lower side)
Reverse feed switch
6-operation switch
Thread trimming solenoid
Presser lifting cylinder solenoid valve: CN151
Reverse feed cylinder solenoid valve: CN152
Alternate up/down cylinder solenoid valve: CN153
Condensation cylinder solenoid valve: CN154
2-pitch cylinder solenoid valve: CN155
2.5-pitch cylinder solenoid valve: CN156
CN102 : 12P connector
o
Remarks
Pin No.
1
2
3
4
GND
5
6
—
7
+27V
8
+27V
9
10
+27V
11
+27V
12
—
Alternate up/down limit switch
⑤ -1 : CN37A / 2P connector
Thread clamp solenoid junction cord
FG (earth cord)
– 106 –
Part name
Solenoid valve Presser lifting cylinder
Solenoid valve Reverse feed cylinder
Solenoid valve Alternate vertical movement
cylinder
Solenoid valve Condensation cylinder
Solenoid valve 2-pitch cylinder
Solenoid valve 2.5-pitch cylinder
Solenoid valve +24V
Solenoid valve +24V
Solenoid valve +24V
Solenoid valve +24V
Solenoid valve +24V
Solenoid valve +24V
① : CN158 / 4P connector
Alternate up/down limit switch
(lower side)
Alternate up/down limit switch
(upper side)
⑤ : CN37 / 2P connector
Thread clamp solenoid
② : CN36 / 14P connector
Tension release solenoid
(lower side)
Tension release solenoid
(upper side)
Thread trimming solenoid
Reverse feed switch
FG (earth cord)
Knee switch
Knee switch
③ : CN144 / 16P connector
6-operation switch
④ : CN102 / 12P connector
Solenoid valve
Remarks