Edge control/positioning mode – KEYENCE IG Series User Manual
Page 67

4-2 Basic Settings and Advanced Settings
4-9
IG-E
4
Setting V
a
ri
o
us
F
u
nct
ion
s
Edge control/Positioning mode
With this mode, the internal measurement value (R.V.) is
determined by measuring the distance from the edge of
the measurement range to the edge of the target. (light-
shielding object).
Use this mode for the edge control or positioning.
Details
z "2. Measurement direction" (page 4-17) When "Top" is selected
The distance from the top edge of the measuring range to the bottom most light to dark
transition as seen by the receiver is determined as an internal measurement value (R.V.).
z "2. Measurement direction" (page 4-17) When "Bottom" is selected
The distance from the top most light to dark transition as seen by the receiver to the bottom
of the measuring range is determined as an internal measurement value (R.V.).
Light-shielding
target
Measurement
range
R.V.
Top
Bottom
Measurement
range
R.V.
Top
Bottom
Reference
• If there is no object present , the internal measurement value (R.V.) becomes
[
].
"2 Display Screen and Output" (page A-9)
• If the target shields light of the entire measurement range, the entire
measurement range becomes the internal measurement value (R.V.).
R.V.
Top
Bottom
R.V.
Top
Bottom