Pfaff 3734-12, Instruction Manual, Page: 82 / 88

14 - 1
Circuit diagrams
14 Circuit diagrams
Reference list for circuit diagrams
A1 Controller Quick P 320MS
A2 Control panel S2
A14 Sewing head identification (OTE)
B10 Initiator material height
H1 Sewing lamp
H20 LED Stitch counter (option)
M1 Sewing motor
M2 Stepping motor feed wheel
M3 Stepping motor roller presser
M45 Pullermotor
Q1 Main switch
R45 Resistance 330 ohm
S1 Pedal set value transmitter
S2 Pedal 2 Fullness
S21 Manual backtacking key (option)
S22 Single stitch switch (option)
S23 Needle position change switch (option)
S24 Start inhibitor switch
S26 Knee switch (program)
XP1 Pedal set value transmitter
XP2 Pedal 2 Fullness
X1 Mains plug
X1A RS232 – interface 1 (Control panel BDF S2)
X1B VSS Sewing head identification
X3 Incremental transmitter ( sewing motor )
X4A Stepping motor feed wheel
X4B Stepping motor roller presser
X5 Inputs
X8 Sewing motor
X11B Pedal set value transmitter and
fullness
X13 Outputs
X20 Stepping motor feed wheel
X21 Stepping motor roller presser
X30 Initiator material height
X31 Key row
X34 Start inhibitor
X36 Knee switch (program)
X41 -910/..Automatic presser foot lift
X42 -900/..Thread trimmer
X43 Thread tension 2
X44 Thread tension 1
X45 R45 Re Pullermotor
Y1 -910/..Automatic presser foot lift
Y2 -900/..Thread trimmer
Y3 Thread tension 2
Y4 Thread tension 1