LDS-C502RI Application Field and Working Principle

LDS-C502RI is an LED character and numeric display module that is part of the LDS series of devices, manufactured by KYOCERA Corp. It operates using a two-position data-in, single-position data-out digital system.

The LDS-C502RI has the following features: 2 lines of 16 characters per line, right-hand and left-hand characters, 10 backlight color options, 128 types of user-selectable ASCII code sets, 30 preset character and line fonts, and an adjustable display contrast.

Application Field

The LDS-C502RI is a versatile display module that can be used for a variety of applications. It is commonly used for industrial, business and commercial applications, including instrumentation systems, process control systems, and retail signage. Additionally, the device can be used for decorative purposes, such as interactive media displays.

Working Principle

At the heart of the LDS-C502RI is the LED controller which manages the display of characters and symbols. It consists of two control lines (a data input line and a display control line) that are connected to both sides of the LED’s row and column backplanes. When a character or symbol is selected, the voltage of the row and column pins is changed to drive the selected LED combination to light up.

The controller also allows the user to adjust the contrast of the display by adjusting the brightness of the LEDs. The device supports 9 contrast settings, with the highest contrast setting being the brightest and the lowest contrast setting being the faintest.

The LDS-C502RI also supports a wide variety of fonts, characters, and symbols. It has more than 128 types of ASCII code sets and over 30 preset character and line fonts. The module also has the unique feature of allowing the user to adjust the size of characters and symbols on the display. This is useful when displaying symbols such as arrows or when displaying various foreign characters.

Conclusion

The LDS-C502RI is a versatile LED character and numeric display module that is used in a wide range of industrial, commercial, and consumer applications. The module features two lines of 16 characters per line, a variety of backlight colors, 128 types of user-selectable ASCII code sets, adjustable contrast and character size, and 30 preset character and line fonts.