QL335HC Optoelectronics

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LED Indication - Discrete devices are widely used to visualise the status of a range of functions and provide a much-needed form of communication. The QL335HC is a high-current discrete LED indicator panel mount device designed to be used in industrial equipment. This device is available in both panel-mount and single channel devices.

A typical application for the QL335HC panel mount device is in industrial machinery which includes vehicles and railway equipment. Its main purpose is to act as an indicator light or a warning light. It can also be used to indicate the power source of an installation. Furthermore, the device is robust and has the capability to withstand harsh operating environments such as vibration and shock-proofing, withstanding vibration up to 20g and a shock of 250g.

The working principle of the QL335HC is based on its design, which includes two major components: a LED driver and an LED indicator. The LED driver is responsible for providing the electric current that powers the LED. This current is controlled by a special regulator that is designed to operate within specific voltage and current ranges. The LED indicator is designed to light a series of LEDs when the voltage and current provided by the driver is regulated within the limits.

The LED driver operates at a constant voltage and current which is regulated by either an MCU (microcontroller unit) or a DC-DC converter. The duration and intensity of the LED indication is determined by the MCU or DC-DC converter, which can be configured to turn the LED on and off or to dim the LED at different levels. The LED indicator is connected to the LED driver and is responsible for communicating with the LED driver to control the LED states and brightness. The LED indicator also includes a safety logic which prevents the unit from operating outside its specified range.

The advantages of the QL335HC over conventional discrete LED indicators are that is provides a greater number of configurations for controlling the LED intensity and duration, as well as being able to withstand harsh operating environments. Additionally, the device offers a high level of reliability since it has a feature that prevents the unit from operating outside the specified parameters.

In conclusion, the QL335HC is a high-current discrete LED indicator panel mount device designed to be used in industrial machinery and to provide a reliable form of communication by visualising the status of a range of functions. It features advanced safety logic, can be configured to turn the LED on and off or to dim the LED at different levels, and is able to withstand harsh operating environments. As such, it is an ideal solution for a variety of applications in the industrial sector.

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