| Term |
Configuration |
Definition |
| Detecting distance |
 |
The maximum distance from the transmitter to the receiver that permits the receiver to stably receive the transmitter's light. |
 |
The maximum distance from the transmitter to the reflector that permits the receiver to stably receive the transmitter's reflected light. |
 |
The maximum distance from the sensor head to the target that permits the sensor to stably receive the transmitter's light reflected off the target. |
| Hysteresis |
 |
For a diffuse reflective sensor, it is the difference between the reset distance and the detecting distance using a standard target. |
| Response time |
 |
The minimum period of time required for a sensor to
detect the presence of a light beam and output an ON
signal, or to detect the absence of a light beam and output an OFF signal.
|
| LIGHT-ON |
 |
An operating mode that allows the sensor head to output
an ON signal when the prescribed light quantity, or more, is detected.
|
| DARK-ON |
 |
An operating mode that allows the sensor head to output an ON signal when the preset quantity of light is not met. |
| Ambient light |
 |
The maximum amount of ambient light received by the
light-receiving surface of the sensor that allows a sensor
to function normally. |
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