Yaskawa Junma Series SERVOPACK - Manual (Page 61)

5.8 Utility Functions
E-60
„ 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
Preparation
The following conditions must be met to perform the origin search.
• All alarms must be cleared.
• The servo ON signal (/S-ON) must be OFF.
Operation Procedure
Use the following procedure. The following operation example shows when the servomotor rotates
counterclockwise until the servomotor stops at the detected phase-C position.
• Perform origin searches without connecting the coupling.
Step Display after Operation Keys Operation
1
Press the Key to open the Utility
Function Mode main menu, and select
Fn003 using the or Key.
2
Press the Key.
The display is switched to the execution
display of Fn003 (Origin Search Mode).
CAUTION
For aligning the motor
shaft to the machine
Servomotor
Machine
B B
− F U N C T I O N −
F n 0 0 2
F n 0 0 3
F n 0 0 6
F n 0 1 0
U n 0 0 0 = 0 0 0 0 0 0
U n 0 0 2 = 0 0 0 0 0 0
U n 0 0 3 = 0 0 0 0 0 0 0 0 7 7 4
U n 0 0 D = 0 0 0 0 0 0 0 0 0 0 0
B B − Z − S e a r c h −