TLRE4200

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Throughout industrial automation, LED indicators serve to give visual feedback of signals at a glance. LEDs, such as the TLRE4200 series, offer versatile lighting output suitable for discrete status indicators, area lighting and flashing signals. The wide operating temperature range, long life, available bright red and green, various intensities and sizes make it especially useful in the current industrial led indicator field.

TLRE4200 Application Field and Working Principle

The TLRE4200 series is designed for enhanced efficiency, size and cost savings for applications such as switch machines, programmable logic controllers (PLCs), push buttons, instrument panels and more. The industrial LED indicators can address two independent signals for polarity indication, level indication or on/off indication.The TLRE4200 series packages come in many different mounting options such as discrete LEDs, LED panel indicators and LED PCB indicators. The LED module integrated into the LED panel and PCB indicator series will provide the same LED output with a simpler installation and fewer connection points. LEDs are available in operating temperature ranges of -25 oC to 70 oC, making them well suited for outdoors applications.The TLRE4200 series is also a cost effective and reliable solution for elevators due to its robust performance. The wide operating temperature range and long life allow the LEDs to be used in both exterior and interior applications. The TLRE4200 can also be used in vehicles and heavy industrial machinery, as well as in cold products for food and beverage processing and storage.

Working Principle

The TLRE4200 series utilizes a 4-pin design, which allows greater control and flexibility over the operation of the LED indicator. Pins 1 and 2 are used for power supply, pin 3 is the positive (+) input and pin 4 is the negative (-) input. The LEDs are configured in a "floating" connection, with no direct current (DC) connection between pins 3 and 4. When the positive (+) supply voltage is applied to pin 3, the LED will switch on. When the negative (-) voltage is applied to pin 4, the LED will switch off. The LEDs can indicate the polarity of the input voltage or be used as a level indicator or on/off type LED.

Advantages

The TLRE4200 series offers numerous advantages such as low power consumption, long lifetime and exceptional light output. The LED indicators are available in bright red and green, up to a 40mA drive current, and a wide operating temperature range. The LEDs offer fast response time, and they can be used in many different applications such as machinery, instrument panels, control systems, etc. The 4-pin configuration also makes it easy to integrate the LED panel and PCB indicators into existing systems.

Conclusion

The TLRE4200 series is a versatile and cost effective LED indicator for applications such as industrial switch machines, PLCs and instrument panels. The 4-pin design allows for greater control and flexibility over the operation of the LED. The LEDs are also available in bright red and green, and the wide operating temperature range and high brightness make them suitable for many types of applications. The TLRE4200 series is a reliable and cost-effective solution for both interior and exterior applications that require a discrete status indicator, area lighting and flashing signals.

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