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3-2
Section
Setting Thresholds
26
3-2
Setting Thresholds
Set the thresholds for good/improper product discrimination.
Example
Emitter
Receiver
No cap
Measured value
(Incident)
Measured value > HIGH threshold:
Improper product
HIGH threshold
Emitter
Receiver
Emitter
Receiver
Normal
LOW threshold < Measured value <
HIGH threshold: Good product
LOW threshold
Cap rise
Measured value < HIGH threshold:
Improper product
Note
The discrimination outputs can be changed. Refer to
4-2-2 Se-
lecting the Discrimination Outputs
for details (p. 39).
There are three methods to set thresholds. Select the most con-
venient method according to the application.
1
Direct Settings: The thresholds are set directly.
2
Teaching Settings: The thresholds are set based on a refer-
ence workpiece.
Example
Measured value: 4 V
The LOW threshold is set.
The HIGH threshold is set.