Panasonic FP-7818

4-3
Electrical
(2) Paper transport motor control
A4-phase (FA-S660)/2-phase (FA-S620) control stepping motor is used for the
feed motor. The feed speed is controlled by the number of pulses ofthe pulse
signal A, A*, B, and B* of the motor driver IC (Q19: FA-S620, Q23: FA-S660).
FA-S660
FA-S620
Q1
CPU
M3
+24V
FMTA
FMTA*
FMTB
FMTB*
Sorter Controller PCB
Feed motor
A
A*
B
B*
Q23
Motor
driver
Q4
CPU
M3
FMTA
Sorter Controller PCB
FMTB
Feed motor
Q19
Motor
driver
A
A*
B
B*