– 105 –
(3) LU-2828-7
1) Connectors coming from machine head (Connect to control box)
o
CN36 : 14P connector
Pin No. Part name Remarks
1 Thread release solenoid (lower side)
2 Thread release solenoid (upper side)
3 — —
4 Knee switch
5 Reverse feed switch
6 — —
7 Thread trimmer solenoid (right side)
8 Thread release solenoid (lower side) +27V
9 Thread release solenoid (upper side) +27V
10 FG FG
11 Knee switch GND
12 Reverse feed switch GND
13 — —
14 Thread trimmer solenoid (right side) +27V
o
CN37 : 2P connector
Pin No. Part name Remarks
1 Thread clamp solenoid
2 Thread clamp solenoid +27V
o
CN44 : 24P connector
Pin No. Part name Remarks
1 6-operation switch +5V
2 — —
3 — +12V
4 6-operation switch Alternate vertical movement
switch
5 6-operation switch Automatic reverse feed stitch-
ing cancellation switch
6 6-operation switch Needle up/down switch
7 6-operation switch 2-pitch changeover switch
8 6-operation switch Tension release (upper side)
opening switch
9 6-operation switch Thread clamp switch
10 6-operation switch Fall detection sensor
11 6-operation switch —
12 6-operation switch GND
13 — —
14 — —
15 6-operation switch Alternate vertical movement
state monitor output
16 6-operation switch Automatic reverse feed stitch-
ing cancellation state monitor
output
17 6-operation switch Needle up/down correction
operation output
18 6-operation switch 2-pitch state output
19 6-operation switch Tension increasing state mon-
itor output
20 6-operation switch Thread clamp solenoid en-
able/disable LED
21 — —
22 — —
23 — —
24 — —
o
CN58 : 22P connector
Pin No. Part name Remarks
1 — +5V
2 — GND
3 — +5V
4 — GND
5 — +5V
6 — GND
7 — +12V
8 Alternate vertical movement limit switch
(lower side)
GND
9 — +24V
10 Alternate vertical movement limit switch
(upper side)
GND
11 — +24V
12 — GND
13 —
14 —
15 Alternate vertical movement limit switch
(lower side)
16 Alternate vertical movement limit switch
(upper side)
17 —
18 —
19 —
20 —
21 —
22 —
o
CN59 : 26P connector
Pin No. Part name Remarks
1 Solenoid valve +24V
2 Solenoid valve +24V
3 Solenoid valve +24V
4 Solenoid valve +24V
5 Solenoid valve +24V
6 Solenoid valve +24V
7 — +24V
8 — +24V
9 — +24V
10 — +24V
11 Solenoid valve Presser lifting cylinder
12 Solenoid valve Reverse feed cylinder
13 Solenoid valve Alternate vertical movement
cylinder
14 Solenoid valve Condensation cylinder
15 Solenoid valve 2-pitch cylinder
16 — —
17 Solenoid valve 2.5-pitch cylinder
18 — —
19 — —
20 — —
21 — —
22 — —
23 — —
24 — —
25 — —
26 — —
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