Signal (Smpwm) - Canon DADF-G1 Service Manual

CHAPTER 2 OPERATIONS AND TIMING
2.7.2 Relationship Between the Pickup Roller and the Pickup Motor Drive
Signal (SMON), Pickup Motor Rotation Direction Signal (SDIR), and
Pickup Motor Rotation Speed Control Signal (SMPWM)
Belt motor Belt motor rotation
drive signal direction signal
(SMON)
'1' '1'
'1' '1'
'1' '0'
'1' '0'
'0' '1'/'0'
2-26
Belt motor rotation
speed control signal
(SDIR)
Pulse
'0'
Pulse
'0'
'1'/'0'
T02-207-01
COPYRIGHT© 2000 CANON INC.
(SMPWM)
Pickup roller rotates CCW.
Pickup roller rotates CCW by inertia.
Pickup roller rotates CW.
Pickup roller rotates CW by inertia.
Pickup roller stops.
Pickup roller operation
CANON DADF-G1 REV.0 OCT. 2000