MJ-1103/1104
© 2008, 2009 TOSHIBA TEC CORPORATION All rights reserved
DESCRIPTION OF OPERATIONS
3 - 40
[F] Additional folding motor drive circuit
The additional folding motor drive circuit controls the rotation and stoppage, rotational direction and
motor current of the additional folding motor.
The additional folding motor is a DC motor which is driven by rotation control signals (DM4-CNT1 and
DM4-CNT0) from the CPU of the saddle control PC board, and thus this motor performs a additional
folding operation.
For the case when an overcurrent status is detected, a protection circuit is mounted to turn the addi-
tional folding motor off.
Fig. 3-46
DM4-CNT1
DM4-CNT0
Motor rotation
Remarks
L
H
Normal
Operates the additional folding.
H
L
Reverse
Operates the additional folding
H
H
Stop
L
L
Stop
Not used.
IC31
CPU
DM4-CNT0
DM4-F
VM
5VPA
Additional
folding
(M20)
Motor drive circuit
Saddle control PC board
Overcurrent
protection circuit
DM4-R
DM4-CNT1
CN18
Содержание MJ-1103
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Страница 277: ... C Saddle control PC board Fig 8 34 ...
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