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1-1
Section
Inspection for Loose Bottle Caps
6
1-1-4
Setting Thresholds
The following information is the same for both Standard and
One-side Interruption High-precision Sensors.
Set the thresholds for good/improper product discrimination.
There are three methods to set the thresholds. The following de-
scription provides information on setting the thresholds by teach-
ing based on a reference workpiece.
→
Refer to
3-2 Setting Thresholds (p. 26)
.
Example
No cap
Emitter
Receiver
Emitter
Receiver
Emitter
Receiver
Measured value
(Incident light)
Discrimination
indicators
Normal
HIGH threshold
LOW threshold
Cap rise
Lit
Not lit
Improper
product
Good
product
Improper
product