OPB355L

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Optical Sensors - Photointerrupters - Slot Type - Logic Output are applied in a myriad of situations. OPB355L is an example. It can be used for detection of a break or object in a wide range of applications.

OPB355L is a slot type photointerrupter, which uses a slot type optical sensing element and its principal working principle is to sense the presence or absent of an object passing through the slot by its output which is based on the change of the amount of light received. This photointerrupter consists of two parts: the emitter and the receiver. The emitter part is used to emits infrared light and the receiver part featuring a phototransistor assembly is used to detect the intensity of the light. The detector is connected to a logic chip to process the received light intensity.

Typically, the objective of an infrared photointerrupter is to detect the presence or absent of an object. This OPB355L features a low operating voltage of 5V and is mainly used in the applications like conveyor, home appliances etc. Depending on the sensor working principle it has two output types: NPN type and PNP type. NPN type has a logic output that switches \"Low\" when an object is sensed and PNP type has a logic output that switches \"High\" when an object is sensed and vice versa.

Using OPB355L as an example, the typical application of this type of devices would involve something such as a metallic strip that is passed through a slot in the device. The sensor then senses if the strip is present by the change of the amount of light received. When the strip is present, the output of the logic chip will switch \"Low\", and when the strip is absent, the output of the logic chip will switch \"High\".

This type of devices are also widely used in conveyors and other industrial applications. The OPB355L can be used to detect when product is moving through a conveyor system and when it reaches the end of the line. The output of the logic chip will then switch \"Low\" when the product is near the end of the line and will switch to \"High\" when the product is no longer present in the system.

OPB355L is also widely used in home and commercial appliance applications. The OPB355L can detect when an object such as a door or window is opened or closed and can be used to trigger a corresponding action. This could help to ensure that a certain appliance or system is not operating when the door or window is open.

In addition, this type of devices can be used in various other applications such as sensing for the objects present in transport vessels, elevators, packaging machines and for detecting the position of a sliding object. All of these applications are dependent on the change of light received by the detector to sense the presence/absent of an object.

Overall, OPB355L being a slot type photointerrupter is a fantastic device which is used in a wide range of applications. It uses a slot type optical element combined with a logic chip to sense if an object is present or absent. The device has a low operating voltage of 5V and has two outputs, NPN and PNP type. Its applications include home and commercial appliances, transport vessels, elevators, packaging machines, conveyor systems, and various other applications where the presence/absent of an object needs to be detected.

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