W1-2 Phase Excitation (Quarter Step) - Panasonic UF-5500 Service Manual
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UF-5500 / 4500
6.8.3.
W1-2 phase excitation (Quarter step)
1. Timing chart
(IC300)
PHA1(A10)
PHA2(B10)
I01(C10)
I11(A9)
I02(B9)
I12(C9)
Phase A
motor current
Phase B
motor current
2. Wave form
PHA1
Pin4 of
IC502 or
IC700
Motor
current
1
2
3
4
5
T(ms)
Motor current is changed according to the scan speed.
6
7
8
9
10
11
Fig. 3
46
12
13
14
15
16
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