PE P128GS24Y-1

The PE P128GS24Y-1 is a rugged 5.4-inch monochrome LCD module developed for industrial and professional applications where stable text and graphic display performance are essential. It offers a 240 × 128 pixel resolution and is commonly used in industrial HMIs, medical instruments, machine control systems, monitoring equipment, and embedded devices. The module is suitable for displaying status information, menus, process values, alarms, and simple graphical content in legacy and modern industrial systems.

The display uses monochrome FSTN (Film Super Twisted Nematic) LCD technology, which provides improved contrast and readability compared to traditional STN displays. It features a CCFL backlight for enhanced visibility and typically delivers around 150 cd/m² brightness with a 20:1 contrast ratio. The module is commonly supplied in a blue monochrome display format and is designed for stable readability in indoor industrial environments.

The P128GS24Y-1 operates on a nominal 5.5V supply and uses an RGB-style interface for communication. It is built for industrial-grade performance and is available in RoHS-compliant, lead-free construction. Many distributors note that the module supports extended environmental durability and is suitable for replacement use in older industrial equipment where exact display compatibility is important.

The module is often selected for industrial automation, medical systems, laboratory instruments, CNC controls, and embedded monitoring equipment because of its rugged design, low power consumption, and dependable monochrome display quality. Community discussions around older graphic LCD modules often highlight the importance of verifying interface type, backlight voltage, pinout compatibility, and physical mounting dimensions before replacement or integration into custom systems.

Key Features:

• 5.4-inch monochrome FSTN LCD display
• 240 × 128 pixel resolution
• Blue monochrome display format
• FSTN display technology
• Approximate brightness: 150 cd/m²
• Contrast ratio: 20:1
• CCFL backlight
• RGB-style interface
• Nominal operating voltage: 5.5V
• RoHS compliant construction
• Suitable for industrial HMIs, medical devices, CNC systems, monitoring equipment, and embedded applications