Electrical; Electrical Parts Operation - Panasonic FP-7818 Service Manual & Parts Manual

Section IV Electrical

4.1 Electrical parts Operation

(1) Bin motor control
The circuit shows the bin shift motor control circuit diagram.
A DC motor is used for the bin shift motor (M1), which is controlled by the drive
circuit so that the bin unit moves up and down.
The bin unit up/down speed is detected and controlled by the shift motor clock
sensor.
The bin unit stop position is detected by the lead cam home position sensor.
When the stapler unit is not at the home position, the 24V power supply is cut off
by the stapler unit home position switch preventing the bin shift motor from rotating
to avoid the bin unit and stapler from colliding with each other.
The bin unit upper and lower limit sensors prevent the overrun of the bin unit.
Stapler unit home Load detecting
position switch switch
MS4
NO NO
BMUP
BMDWN
Q4
CPU
PWM
Bin unit upper Bin unit shift homeposition/
limit sensor lower limit sensor
SW3
PI4 PI5
Drive circuit
FA-S620
Bin shift
Bin shift motor
motor clock
sensor
M1
PI1
Lead cam
home position
PI2
sonsor
LCPD
4-1