Instruction manual

- 42 -
Variable operations are possible by adding external signals to the option connector.
A current of approximately 1.5 mA flows through the switches used for the input signal, so please use switch for minute current.
1. Connector Layout
Control panel Lever Encoder Detector Foot lifter Option A Option B Sewing machine
Lever
Signal name Factory setting
0V
0V
1
IG
S1 : Run (Variable speed)
2
IH
S2 : Thread trimming
3
I I
S3 : Presser foot lifter
4
VC
VC : Variable speed command
5
+12V
+12V
6
Presser foot lifter
0V
0V
1
IF
F : presser foot input
2
FU+ : presser foot lifter output +
3
OF
FU- : presser foot lifter output -
4
Sewing machine
Ground□
Ground
1
OB□
W : Wiper output
2
+24V/(+30V)□
+24V
3
OA□
T : Thread trimming output
4
0V□
0V
5
ID□
TL : Thread trimmer cancel input
6
OD□
L : Thread release output
7
+24V/(+30V)□
+24V
8
IE□
S7 : Backstitch input
9
0V/(+5V)□
0V
10
+24V/(+30V)□
+24V
11
OC□
B : Backstitch output
12
Option A (Black)
0V□ 0V
1
IA□ PSU : Up position stop input 2
+12V/(+5V)□ +12V 3
IB□ PSD : Down position stop input 4
O4□ UPW : Needle Up position output 5
IC□ S0 : Low speed input 6
Note 1 : Pin number 5 is for the signal output.
Option B
0V□ 0V
1
I4□ No setting 2
O1□ OT1 : Output 3
VC2□ VC2 : Variable speed command 4
I5□ No setting 5
I1□ IO1 : Input 6
+5V/(+12V)□ +5V 7
+24V/(+30V)□ +24V 8
I2□ U : Needle lift signal 9
0V□ 0V 10
+24V/(+30V)□ +24V 11
O2□ NCL : Needle cooler output 12
O7□ No setting 13
O6/CP□ No setting 14
O3□ TF : "TF" output 15
Note 2 : Pin number 3,12,15 are for the solenoid output.
Note 3 : Pin number 13,14 are for the air valve output. (not for the solenoid output)
14 How to Use the Option Connector
Communication /
Control panel
RXD1 1
RXD0 2
TXD1 3
0V 4
+12V 5
TXD0 6
Encoder
0V 1
EA 2
EB 3
+12V 4
Ground 5
- 6
Detector
0V 1
- 2
Ground 3
UP 4
DN 5
+12V 6
S1
S2
S3
External
variable
resister
10k
VC
F
FU
PSU
+12V max 40mA
PSD
UPW
S0
O1
O2
O3
O6
O7
VC2
I4
I5
I1
I2
External
variable
resister
10k
Sewing machine unit
TL
S7
B
W
T
L