Yaskawa Σ-V Series AC Servo Drives Rotational Motor MECHATROLINK-III - Manual (Page 205)

6 Utility Functions (Fn )
6-6
6.4
Origin Search (Fn003)
The origin search is designed to position the origin pulse position of the incremental encoder (phase C) and to
clamp at the position.
This function is used when the motor shaft needs to be aligned to the machine.
Motor speed at the time of execution: 60 min
-1
(1) Preparation
The following conditions must be met to perform the origin search.
• The write prohibited setting parameter (Fn010) must be set to Write permitted (P.0000).
• The main circuit power supply must be ON.
• All alarms must be cleared.
• The servomotor power must be OFF.
(2) Operating Procedure
Use the following procedure.
1. In the SigmaWin+ main window, click Setup - Search Origin .
A warning message about possible dangers will appear and ask if you want to continue.
If these conditions are not acceptable and you do not want to continue, click Cancel to return to the main
window without performing an origin search.
CAUTION
• Perform origin searches without connecting the coupling.
The forward run prohibited (P-OT) and reverse run prohibited (N-OT) signals are not effective in origin
search mode.
For aligning the motor
shaft to the machine
Servomotor
Machine
MECHA