1.60502.1621300 Optoelectronics

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Panel indicators, pilot lights, which are also referred to as informing devices, are widely used in many applications, such as industrial control, power system protection, consumer appliance control, and automotive engineering. They provide visual information related to equipment, system or process status, operation, and conditions in a way to allow operators to make proper decisions and take the necessary measures in the most timely manner. Knowing 1.60502.1621300 application field and working principle is essential to the proper use of panel indicators, pilot lights.

1.60502.1621300 Application Field

Panel indicators, pilot lights serve as a visual aid to display the operation is ongoing, such as whether the power is switched on or off, door is opened or closed, signal is received or warning acknowledged. Generally, panel indicators, pilot lights can be divided into two categories according to the power source: AC and DC. They are separately used in different power systems and applications, such as to indicate the position of the switch, direction, protection, and status of equipment. In a word, panel indicators, pilot lights can be applied in a variety of industrial control systems and other application fields where a visual indication of operational status is needed.

1.60502.1621300 Working Principle

Generally, panel indicators, pilot lights work by shining their bulbs in accordance with power switch signals or other inputs. Nevertheless, LED lights and neon bulbs with corresponding voltage/current are also used in panel indicators, pilot lights. The working of panel indicators, pilot lights is typically based on the moving from open to close or vice versa. AC indicators, pilot lights work in a manner of turn-on/turn-off. when the switch is opened, the circuit board switch contacts are off, resulting in an unbalanced state in the corresponding circuit. The LED in the indicator starts to shine, while for neon lamps, it emits sparks and gets lit up.

At the same time, DC indicators, pilot lights work in a different manner. The LED and NEON still emit lights after the switch is opened, but the LED and NEON keep shining without any interruption. To turn off the indicator, the switch must be closed. The LED and NEON will light off immediately.

For more complex circuit, panel indicators, pilot lights can also be installed in order to indicate the density, pressure, and levels. At the same time, they can also indicate the performance and safety of equipments. With applications of panel indicators, pilot lights, safety features and warnings can be substantially improved and result in various protection measures, such as warning of equipment overload or under-voltage.

Panel indicators, pilot lights play an important role in many application fields, such as industrial control, power system protection and energy saving. Therefore, having relevant technical knowledge is beneficial to properly install and use them. Knowing 1.60502.1621300 application field and working principle is important to improve their utilization.

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