365
DP-8032/8025
2008
Ver. 1.2
11.3.3. Electrical Parts (Motor and Solenoid Functions)
11.3.3.1. Feed Motor Control
1. Feed Motor, which moves Paper Feed, Paddle Drive, Stack Delivery Unit Elevation, is 1-2 phase
exciting type, 2 phase stepping motor. Its control circuit is shown below.
2. Each signal pulse output from P20, P21, P22, P23 of IC2 in Control PCB (PBA-CONT) excites and
rotates the coil in each phase. The Motor drive current is controlled by the duty cycle from P24 of IC2.
3. Motor stops when the output signals from P20, P21, P22, P23 of IC2 are changed to H and the power
supply to the motor coils are cut off.
11.3.3.2. Alignment Motor Control
1. The Alignment Motor, which jogs papers in the stack and carries out offset operation in Paper Exit Unit,
is a W1-2 phase exciting type, 2-phase stepping pulse motor. Its control is shown below.
2. Each signal pulse output from P10, P11, P12, P13 of IC2 in Control PCB (PBA-CONT) excites and
rotates the coil in each phase. And it combines with this output and is IC2. The electromagnetic
excitation is changed by the output of P14 and P15, and it controls the W1-2 phase exciting drive.
3. Motor stops when the output signals from P10, P11, P12, P13 of IC2 are changed to H and the power
supply to the motor coils are cut off.
Содержание DP-8032
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