Yaskawa Sigma-5 User Manual: Design and Maintenance - Linear Motors - Manual (Page 217)

6 Utility Functions (Fn†††)
6-6
6.4 Origin Search (Fn003)
The origin search is designed to position the origin pulse position of the linear scale (phase C) and to clamp at
the position.
This mode is used when the motor shaft needs to be aligned to the machine. Motor speed at the time of execu-
tion: 15 mm/s.
(1) Settings before Operation
The following settings are required before performing an origin search.
• If a servo ON command is input, send a servo OFF command.
(2) Operating Procedure
Follow the steps below to execute the origin search.
CAUTION
• The forward run prohibited (P-OT) and reverse run prohibited (N-OT) signals are not effective in origin
search mode.
Step Display Example Keys Operation
1
Press the Key to view the main menu for the util-
ity function mode.
Use the
or Key to move through the list,
select Fn003.
2
Press the Key. The display is switched to the
execution display of Fn003.
Note:
If the display is not switched and “NO-OP” is dis-
played in the status display, change the following set-
tings. (Refer to 6.12.)
• If Write Prohibited is set in Fn010:
→ Cancel the Write Prohibited setting.
• If a servo ON command is input:
→ Send a servo OFF command.
3
Press the Key.
“RUN” is displayed in the status display, and power
is applied to the linear servomotor.
Note: If the linear servomotor is already at the zero
position, “-Complete-” is displayed.
4
When the parameter is set to Pn000.0 = 0 (factory set-
ting), pressing the
Key will run the linear servo-
motor in the forward direction.
Pressing the
Key will run the linear servomotor
in the reverse direction. When the parameter is set to
Pn000.0 = 1, the movement direction of the linear
servomotor is reversed.
Press the
or Key until the linear servomotor
stops. If the origin search completed normally, "-
Complete-" is displayed on the right top on the
screen.
5
When the origin search is completed, press the
Key.
“BB” is displayed in the status display, and power
will not be applied to the linear servomotor. The dis-
play “-Complete-” changes to “-Z-Search.”
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