PM3GDLW8.0

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Panel Indicators, Pilot Lights

PM3GDLW8.0 are panel indicators used in control systems to help users to check the state of automation devices and process variables. Pilot Lights and Gauge are respectively using for indicating the presence or absence of electric current and the status and values of control variables.

Application Field

The applications of PM3GDLW8.0 are diverse. It can be used in industries such as aeronautics, medical, instrumentation, aerospace, food processing, batch processes, engineering, mining, wastewater treatment, automotive, electrical power, and chemical engineering. Moreover, it is also suitable for circuit design, logic control, and plants.

Working Principle

PM3GDLW8.0 is composed of two parts. The first part is a small incandescent lamp (pilot light). When electric current passes through, a small filament in the lamp emits light. This is the way we can know if there is power to a certain machine. The second part of PM3GDLW8.0 is made of an LED array. The LED array can be programmed and execute commands from the microcontroller. LED lights can indicate the state of process variables like temperature and pressure. Besides, the color of lights can also be different for different machines or processes.

Advantages

The advantages of PM3GDLW8.0 are as follows:

• It is compact and ideal for in small or confined areas.
• It is easy to install and requires minimum wiring.
• It requires low maintenance.
• It is robust and durable.
• It uses thermoplastic or metal housing with a multitude of colors and designs.
• It has inbuilt protection against short circuits and voltage fluctuations.
• It is shock, vibration, and impact resistant.

Disadvantages

The disadvantages of PM3GDLW8.0 are as follows:

• The LED array can be expensive to replace if damaged.
• Due to the limitation of the physical size of the pilot lights, it is not suitable to get all the information.
• It is not suitable for the harsh environment, such as high temperature, because it easily deforms.

Conclusion

In conclusion, the PM3GDLW8.0 is a handy device, used to indicate or measure the state of different machines and processes. Its application is wide and easy to install. However, it also has some limitations, and it is not suitable for all environments. Nevertheless, it is still a necessary component in control systems.

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