80
v Drum Driving Section
chap.2
1. Rotation Speed Control by Encoder Sensor
The encoder sensor detects the main motor
rotation. The main motor PCB Unit controls the
number of main motor rotations with the encoder
sensor signal. The encoder sensor signal is
transmitted to the main PCB Unit as encoder
dividing signal (8 dividings). The number of main
motor rotations is checked with the HELP01.
2. Selecting the Speed
The speed is selected with the main 1 - 4 on the main PCB Unit.
The following are the speed depending on the pin state.
Slow 2 is applied to accelerating only. it is not used to reduce the speed. All the speeds
including slow 1 are accelerating speeds. if the slow 1 is not operated, all the other speeds
are not operated.
IMPORTANT :
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