YASKAWA SGDV series User Manual

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 hardwire baseblock (HWBB) must be disabled.
• The servomotor power must be OFF.
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
Rotation

YASKAWA SGDV series Specifications

General

Series	SGDV
Communication	MECHATROLINK-II, MECHATROLINK-III, EtherCAT
Control Modes	Position, Speed, Torque
Protection Features	Overcurrent, Overvoltage, Undervoltage, Encoder error
Ambient Temperature	0°C to 55°C
Cooling Method	Natural cooling or forced air cooling
Voltage	200V, 400V
Weight	Varies depending on model (e.g., 0.6 kg to 10 kg)