OPB993P11

Series:	Photologic®
Part Status:	Obsolete
Sensing Distance:	0.125" (3.18mm)
Sensing Method:	Transmissive
Output Configuration:	NPN - Open Collector, Inverted
Mounting Type:	Chassis Mount
Current - Supply:	15mA
Voltage - Supply:	4.75 V ~ 5.25 V
Response Time:	70ns
Operating Temperature:	-40°C ~ 70°C (TA)
Package / Case:	Module, Pre-Wired

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Optical Sensors - Photointerrupters - Slot Type - Logic Output

Optical sensors, also known as photointerrupters, are sensors that use light radiation to detect motion, transitions, or changes in operating conditions. These devices are commonly used for a range of applications that require precision and accuracy, such as alarms, motion sensors, or to detect environmental changes. The OPB993P11 is a slotted type, logic output sensor from the OPB series of photointerrupters.

Introduction to the OPB993P11

The OPB993P11 is an optoelectronic device in which light emitted from an infrared LED is absorbed by a slot phototransistor. The device supports universal slot size ranging from 1 to 10mm, and it allows for operation is two stable states. It is also provided with a new control logic that enables operation in the “dark recess” mode. This device can be used in either inverting or non-inverting polarity.

Working Principle of the OPB993P11

The basic working principle of the OPB993P11 involves a light emitting diode (LED) and a slot phototransistor connected in a lead to lead configuration. The device uses light radiation to detect movement and changes in operating conditions. Furthermore, it is used to detect darkness or the presence of an object. When the infrared LED emits light, it passes through the slot. When an object is present, the slot phototransistor senses this and the device will generate an electric signal. When the device is used in "dark recess" mode, the LED and slot phototransistor pair is independently triggered. When the device is used in non-inverting or inverting polarity, the slot phototransistor can also be triggered without a change in LED current. The “dark recess” mode also enables operation in the same stable state for a wide range of conditions, such as in environments with extreme temperatures or changes in ambient lighting.

Features of the OPB993P11

The OPB993P11 has several features that make it suitable for a variety of applications. These features include: - Low break-before-make contact gap, allowing for highly reliable switching.- High power LED, supporting direct drive into some microcontroller pins.- "Dark recess" mode that allows operation in the same stable state for a variety of conditions, such as extreme temperatures or changes in ambient light.- Universal slot size range from 1mm to 10mm, allowing for versatile use across different applications.- Compatible with both inverting and non-inverting polarity.- Operates in both LED and phototransistor modes.

Applications of the OPB993P11

The versatile and reliable design of the OPB993P11 makes it suitable for a range of applications. Some potential applications include: - Motion and position sensing.- Automation and robotics.- Alarms and warning systems. - Industrial control systems. - Environmental monitoring. - Interfacing with microcontrollers.- Sensor systems for medical, health and safety applications.

Conclusion

The OPB993P11 is a slotted type, logic output sensor from the OPB series of photointerrupters. This device can detect motion and changes in operating conditions, and is suitable for applications that require high precision and accuracy. It features a low break-before-make contact gap, “dark recess” mode for operation in a variety of conditions, and a universal slot size range from 1mm to 10mm, making it suitable for a variety of applications.

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