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(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 3HHHHLL
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