WTB12-3P1111

Series:	W12-3
Part Status:	Active
Sensing Method:	Proximity
Sensing Distance:	0.787" ~ 23.622" (20mm ~ 600mm)
Voltage - Supply:	10 V ~ 30 V
Response Time:	330µs
Output Configuration:	PNP
Connection Method:	Cable
Ingress Protection:	IP66
Cable Length:	78.740" (2000.00mm)
Light Source:	Infrared (880nm)
Adjustment Type:	Adjustable, 5-Turn Potentiometer
Operating Temperature:	-40°C ~ 60°C (TA)

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Background/IntroductionOptical sensors are devices that measure parameters based on the intensity and/or wavelength of light. Commonly used in industrial applications, these sensors are used to measure a variety of different physical parameters including position, distance, presence, and force. Among the various types of optical sensors on the market, WTB12-3P1111 is a commonly used photoelectric sensor. This article will explain the application field and working principle of this particular type of optical sensor.Application Field and Working Principle of WTB12-3P1111 Optical SensorWTB12-3P1111 is a type of photoelectric sensor that utilizes an optical system consisting of an infrared light source and receiver. This sensor utilizes the principle of triangulation to measure displacement, or movement, along a line or axis. Specifically, the WTB12-3P1111 sensor emits an infrared light and uses its receiver to capture the reflected light from a target surface. Since the angle between the output and incoming light varies based on the distance between the target surface and the sensor, the WTB12-3P1111 is able to accurately calculate displacement along a line or axis. The WTB12-3P1111 optical sensor can also measure the presence of an object by detecting changes in the reflected infrared light. In this application, the sensor emits infrared light continuously, and the receiver in the optical system is able to capture the difference in intensity and/or wavelength of the reflected light when an object blocks the light. By detecting this change in reflected light, the WTB12-3P1111 photoelectric sensor can measure the presence of an object. The WTB12-3P1111 optical sensor is also used for force measurement applications. In this scenario, the sensor is mounted close to the surface on which it is measuring force. When an object (such as a finger) is pressed on the surface, the optical system emits an infrared light and measures the intensity and/or wavelength of the reflected light. This measurement is then used to determine the force applied on the surface. ConclusionThe WTB12-3P1111 photoelectric sensor is a versatile device with many applications in industrial settings. This sensor utilizes an optical system of an infrared light source and receiver to accurately measure displacement, presence, or force. While suitable for a wide variety of applications, special care must be taken while using this sensor to ensure accurate readings.

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