Lite-On Technology Corp.
Industrial Automation
158
7.2.2.
Control structure of the position mode
The diagram below shows the basic control structure:
For better control, the pulse signal is processed and modified through the processing unit of the position
command. The following diagram shows the structure:
Position command
Processing unit of
position command
Processing unit of
position control
Processing unit of
speed control
Processing unit of
current control
Motor
Processing unit of position command
High speed
Normal
Selection of the
pulse type
Counter
Electronic gear ratio
Constant of the linear
filtering for the
position command
Constant of the low-
pass filtering for the
position command
Position command
command
