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Through-beam Sensor Heads: T M ode Functions
n Automatic Teaching
For automatic teaching, measurements are performed while the RIGHT
Key and the ENT Key are pressed at the same time. The center value
between maximum and minimum values is set as a threshold.
The threshold value is set when the keys are released.
The threshold can be set according to the sensing object.
Sensor Head Emitter
Sensor Head Emitter
Sensor Head Emitter
Sensor Head Emitter
Maximum incident beam width
The sensing object
is moved.
The sensing object
is moved.
Sensing object 3
Sensing object 4
Example: Automatic Teaching
Sensor Head Receiver
Teaching started.
Sensing object 1
Medium incident beam width
Sensor Head Receiver
Teaching continued.
Sensing object 2
Minimum incident beam width
Sensor Head Receiver
Teaching completed.
Sensor Head Receiver
Threshold:
(Maximum value − Minimum value)/2
Section 3-7
77
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