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5
a) Drive circuit
t controls drive direction by output E/LFWD, E/LREV from
the microcomputer (IC701), and 3 values of drive voltage
by Hi-Z/L of ELVVOL1,ELVVOL2.
LOADPHT
LOADSWR
LOADSWL
IN/SW
b) Drive sequence
1 Driving continuously to the position of brake start.
2 Detecting of passing the position of brake start and starting short brake.
3 Starting of driving pulse to reach OK range. After confirmation of entering OK range, it is completed.
5
6
Driving upper direction E/L+>E/L- , (E/LFWD; H, E/LREV; L)
Driving lower direction E/L+<E/L- , (E/LFWD; L, E/LREV; H)
IC701
91
E/LFWD
32
58
MECHANISM
CONTROLLER
E/LREV
57
31
43
7
30
E/LVOL1
E/LVOL2
SWDVDD2
CX-3168
6
7
Drive voltage CAMVOL=Hi-Z, 8VCAMVOL=L, 7V
CAMVOL=L, 7V
IC302
E/L+
3
4
3+3ch
DRIVER
5
2
E/L-
8
7
8
E/L
MOTOR
19
8
A
B
C
D
E
F
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