Yaskawa MP940 Reference Manual - Manual (Page 295)

MotionSuite™ MP940 Machine Controller Reference Manual Outline of Absolute Encoder Functions
7-1
Chapter 7: Absolute Encoder
This chapter explains the absolute encoder system.
Outline of Absolute Encoder Functions
The absolute encoder functions are detailed below.
Overview
By detecting the machine position even with the power OFF, the absolute
encoder system makes it possible to automatically set the machine
coordinates and immediately execute an automatic run following power ON
without zero return.
The advantages of the absolute encoder system are as follows:
Any of the following three systems may be selected by setting the parameters
in this function.
ϰ " Zero-point Return" is not necessary after power re-feed.
ϰ The " soft limit" function is enabled immediately after power ON.
ϰ Zero-point dog-legs, and overtravel limit switches become
unnecessary.
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