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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 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9-2

9.1.3 Finite Length/Infinite Length Axes and Absolute Position Detection - - - - - - - - - - - - - - 9-3

9.2 Setting Procedure of Absolute Position Detection Function - - - - - - - - - - - -9-4

9.2.1 System Startup Flowchart - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9-4

9.2.2 Initializing the Absolute Encoder - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9-5

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 - - 9-12

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 - - - - - - - - - - 9-15

9.4.3 Setting the Zero Point and Turning ON Power as Simple Absolute Positions - - - - - - - 9-18

9.4.4 Turning ON the Power after Setting the Zero Point - - - - - - - - - - - - - - - - - - - - - - - - - 9-19

9.4.5 Infinite Length Position Control without Simple Absolute Positions - - - - - - - - - - - - - - 9-19

YASKAWA MP Series User Manual

Other manuals for YASKAWA MP Series