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1.3 Terminology
Term
Description
TOF
TOF stands for time of flight. The TOF sensor measures the distance to the object to
be detected by emitting light and measuring the flight time of light until the light
reflected on the sensing object returns to the sensor.
Measurement display
A display that allows the user to check the measured distance (measured value)
between the sensor and the sensing object
Emitted beam spot
check mode
In this mode, the sensor emits beams at a certain power level so that laser spot beams
can be identified. The sensor flashes every second, enabling laser spot beams to be
identified more brightly than under the normal measurement conditions.
Normal sensing mode
In this mode, control output ON/OFF is controlled for a single threshold.
Window comparator
mode
In this mode, control output ON/OFF is controlled by setting two thresholds (threshold
1 and threshold 2).
Teaching
Refers to setting measured values to the threshold values by using an actual object to
be detected.
Master workpiece
A sensing object that is used as the base to set thresholds.
Threshold
A value that is used to judge if a measure value falls within the predetermined range. If
the value falls within the range, the output operation indicator will light up. (At light-ON)
1.3 Terminology
WUME-HGF1UM-2
1-7
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