User`s manual

8.2 Operation of Utility Functions
8-19
8
Operation of Digital Operator
8.2.8 Absolute Encoder Origin Setting (FnB09)
This utility function replaces the current position with a specified position. Also updates PnB25 with the abso-
lute position offset value to achieve the position specified by this utility function.
(1) Preparation
The following conditions must be met to perform the absolute encoder origin setting.
• The write-prohibited setting (Fn010) must not be set to write-protect parameters.
• Position references must not being distributed.
• The absolute position offset value must not be outside the range for PnB25.
• The absolute encoder must be connected and the setting for Pn002.2 must be 0.
(2) Operating Procedure
DANGER
• This function replaces the coordinates of the reference position and is therefore very dangerous. After exe-
cuting this function, check that the new coordinates match the reference position before starting operation.
• If the settings for any of parameters Pn20E to Pn210, Pn205, or PnB20 to PnB25 have been changed,
turn the control power supply off and back on to bring the settings into effect before executing operation.
• The absolute position offset value is saved in parameter PnB25, so do not rewrite this value.
Step Display after Operation Keys Operation
1
Press the key to open the Utility Function Mode
main menu, and move the cursor with the
keys to select FnB09.
2
Press the key to view the FnB09 operation screen.
3
Move the cursor with the keys, and change the
setting for the position whose current position is to be
replaced with the keys.
4
Press the key to start origin setting.
*
Do not turn off the control power supply until origin
setting has been completed normally.
To cancel the FnB09 operation, press the key
before pressing the key. The display returns to the
Utility Function Mode main menu without executing
the operation.
5
When origin setting has been completed normally,
“Done.” is displayed.
∗ If the key is pressed in an operation prohibited state, “Error.” is displayed for approximately 2 seconds and then
the display returns to the FnB09 operation screen. In this case, make the setting again by referring to (1) Preparation.
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