Seiko LTP F Series Specifikace stáhnout pdf (Strana 26)

3-8

(2) Excitation Sequence

When the voltage signals shown in Figure 3-6 are input to the motor drive circuit shown in

Figure 3-5, as shown in Table 3-3, the LTP F Series feeds the paper in the normal direction

when the motor is excited in the order of step 1, step 2, step 3, step 4, step 1, step 2, . . . .

Figure 3-6 Input Voltage Signals for the Sample Drive Circuit

Table 3-3 Excitation Sequence

Input Signal Output Signal

PH1PH2BABA

Step 1LLLLHH

Step 2 H L L H H L

Step 3HHHHL L

Step 4 L H H L L H

H

L

H

L

PH1

PH2

1 dot line

Step 1

Step 2

Step 3

Step 4

Step 1

Step 2

Step 3

Step 4

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 85 86

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