E3HQ-CT-L

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E3HQ-CT-L Application Field and Working Principle

Introduction

E3HQ-CT-L is a type of optical sensor used for industrial applications. It operates under the photoelectric effect, which is the creation of an electrical current or voltage when light is applied to a semiconductor material or other materials that exhibit photoconductive properties. This photoelectric effect is used in a variety of industrial applications, including counting, position control, and sensing of objects.

Application

E3HQ-CT-L photoelectric sensors are used in a variety of industrial applications for the purpose of automated process control, and detecting and monitoring the presence of objects. They are commonly used in conveyor systems, machine automation, packaging machines, textile machinery, pharmaceutical equipment, and sensing obstacles. In some cases, they are also used as safety devices to protect workers and other assets. For example, they can be used to detect moving, errant objects and shut down machinery as necessary.

Working Principle

The E3HQ-CT-L photoelectric sensor utilizes the same basic principle as most other photoelectric sensors. This is called the four-wire principle, and utilizes the light source, the receiver, and two wires. The light source emits a light beam, which is blocked or interrupted when an object passes through the sensor\'s detection area. This interruption in the beam is detected by the receiver, which then sends a signal to the processor or controller. This signal is used to trigger an event, such as a process change, a machine stop, or an alarm.

The E3HQ-CT-L is a two-wire device, meaning that the light source and receiver share a common ground, called the power wire. This allows the sensor to be connected to the controller with a single wire. The other wire is used to detect the interruption in the light beam that is created when an object passes through the detection area.

The E3HQ-CT-L photoelectric sensor also uses an amplified receiver. This amplifies the signal that is generated when the light beam is broken, making it easier for the processor or controller to pick up on the interruption. This makes the sensor more sensitive and reliable in detecting very small objects.

The E3HQ-CT-L is also equipped with a variety of timing and detection modes to make it more flexible and user-friendly. These include Constant ON, Constant OFF, one shot detection, and pulse detection. The Constant ON and Constant OFF modes are used for general detection, while the one shot detection mode is better suited for rapidly changing light sources and the pulse detection mode is better for steady light sources.

Conclusion

In conclusion, the E3HQ-CT-L photoelectric sensor is a versatile and reliable solution for automated process control and object detection needs. It operates on the basic four-wire principle, using a power wire and a detection wire. The amplifying receiver increases its sensitivity, while the various detection modes give it tremendous flexibility of application. The E3HQ-CT-L is ideal for industrial applications such as conveyor systems, machine automation, and obstacle sensing.

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