Keyence FS-N10 Series User Manual Page 52

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4-2 Basic Settings
4
Settings for Advanced Functions
4-6
- Digital Fiber Sensor FS-N10 Series User's Manual -
Zero shift calibration
This sensitivity setting performs the zero shift function and basic calibration (two-point
calibration / maximum sensitivity calibration / full auto calibration) simultaneously.
The lower of the received light intensity values specified at the time of sensitivity
setting will automatically be set to "0".
The light intensity received with a workpiece present will be applied with
the same amount of correction as for that received with no workpiece.
The following basic calib rations can be set while in the zero shift calibration.
•Two-point calibration
•Maximum sensitivity calibration
•Full auto calibration
If
two-point calibrati
on is performed with a reflective model when the light
intensity received with a workpiece is "2500" and without a workpiece is
"500":
Setting example
After two point calibration
(
Before zero shift calibration
)
Zero shift calibration is executed
500 2500 500 2500 0 2000
1000
Setting
value
Setting
value
1500
The light intensity received
with no workpiece is
subtracted from the whole.
The state with no
workpiece (the lowest of
received light intensity) is
set to "0".
Received light intensity Received light intensity
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