Origin Search (Fn003) - YASKAWA SGDV series User Manual

6 Utility Functions (Fn
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.
• 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.
This function is used when the motor shaft needs to be aligned to the machine.
Motor speed at the time of execution: 60 min
For aligning the motor
shaft to the machine
(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 hardwire baseblock (HWBB) must be disabled.
• The servomotor power must be OFF.
6-6
)
Machine
Servomotor
CAUTION
-1
Rotation