D1-N Series Servo Drive User Manual Operation Principles
HIWIN MIKROSYSTEM Corp. 3-5
3.3 Encoder signal output
The input signals from encoder are used by the servo drive to perform servo control. When the servo
drive is used with controller, the servo drive transmits position or angle signal received from the encoder
to the controller. D1-N servo drive provides two types of encoder signal outputs.
(1) Buffered encoder output
When buffered encoder output is selected, signals received from encoder are directly sent to
controller. Invert function is provided in D1-N servo drive. When invert function is selected, the
signals received from encoder will be reversed before being sent to controller.
(2) Emulated encoder output
When emulated encoder output is selected, the position information received from encoder will be
multiplied by a scale factor before being sent to controller. In some occasions, if the controller cannot
receive encoder signals sent at high frequency, a scale factor can be set to lower the frequency. In
addition, if the multiplier factor of an analog encoder is set to be too high, a scale factor can also be
set to lower the resolution of encoder output.
Figure 3.3.1
processing
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