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9-1

Absolute Position Detection

This chapter explains an absolute position detection system that uses an absolute

encoder. Be sure to read this chapter carefully when using a Servomotor equipped

with an absolute encoder.

9.1

Absolute Position Detection Function

...................................... 9-2

9.1.1

Outline of the Function

.......................................................................... 9-2

9.1.2

Reading Absolute Data

.......................................................................... 9-3

9.1.3

Finite Length/Infinite Length Axes and Absolute Position Detection

..... 9-4

9.2

Setting Procedure of Absolute Position Detection Function

.... 9-5

9.2.1

System Startup Flowchart

...................................................................... 9-5

9.2.2

Initializing the Absolute Encoder

........................................................... 9-6

9.3

Absolute Position Detection for Finite Length Axes

................ 9-6

9.3.1

Parameter Settings for Finite Length Axes

............................................ 9-6

9.3.2

Setting the Zero Point for a Finite Length Axis

...................................... 9-9

9.3.3

Turning ON the Power after Setting the Zero Point of Machine Coordinate

System

............................................................................................... 9-13

9.4

Absolute Position Detection for Infinite Length Axes

............. 9-13

9.4.1

Simple Absolute Infinite Length Position Control

................................. 9-13

9.4.2

Parameter Settings for Simple Absolute Infinite Length Position Control

9.4.3

Setting the Zero Point and Turning ON Power as Simple Absolute Positions

9-19

9.4.4

Turning ON the Power after Setting the Zero Point

............................. 9-20

9.4.5

Infinite Length Position Control without Simple Absolute Positions

..... 9-20

Brand	YASKAWA
Model	JEPMC-MP2300-Y Series
Category	Controller
Language	English

YASKAWA JEPMC-MP2300-Y Series User Manual

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