(2)Excitation Sequence

When the voltage signals shown in Figure 3-6are 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, . . . .

Step 1

Step 2

Step 3

Step 4

Step 1

Step 2

Step 3

Step 4

H

PH1

L

H

PH2

L

1 dot line

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

Table 3-3 Excitation Sequence

 

Input Signal

 

Output Signal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PH1

PH2

B

A

 

B

 

A

 

 

 

 

 

 

 

 

 

 

 

Step 1

L

L

L

L

 

H

 

H

 

 

 

 

 

 

 

 

 

 

 

Step 2

H

L

L

H

 

H

 

L

 

 

 

 

 

 

 

 

 

 

 

Step 3

H

H

H

H

 

L

 

L

 

 

 

 

 

 

 

 

 

 

 

Step 4

L

H

H

L

 

L

 

H

 

 

 

 

 

 

 

 

 

 

 

3-8