Optrex F-51136NCWHU-FW-AA 240×64 Graphic LCD Module: Technical Overview and Specifications
F-51136NCWHU-FW-AA Optrex 240×64 LCD Module
The F-51136NCWHU-FW-AA is an industrial-grade, monochrome graphic LCD module designed by Optrex (now Kyocera) to deliver stable and legible visualization in legacy control environments. Featuring a 240×64 pixel resolution and a power-efficient white LED backlight, it provides a drop-in replacement for older, high-maintenance CCFL screens. This display integrates a standard T6963C-compatible controller, allowing designers to interface it directly with 8-bit microcontroller architectures using parallel data buses.
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Around the UVP: Technical Analysis
The F-51136NCWHU-FW-AA offers high reliability by combining transflective display mode physics with a wide operating temperature range. It functions reliably from -20°C up to +70°C. This wide thermal range ensures that temperature shifts do not cause sudden contrast degradation or display failure. The transflective design reflects ambient light under bright conditions and uses the LED backlight in dark settings. This maintains legibility across unpredictable industrial floor environments.
Think of the display’s contrast ratio as the volume difference between a whisper and a shout in a noisy room. A higher contrast ratio ensures that the active pixels stand out clearly against the background grid. This ensures operators read the display instantly. By optimizing the liquid crystal cell gap, the module achieves sharp character definitions and stable graphics performance.
When integrating this unit, managing backlight drive currents is key to preventing premature LED degradation. Designers should reference guidelines on industrial LCD dimming to optimize brightness levels. Maintaining stable input rails prevents voltage fluctuations from affecting contrast levels, which is a common issue during startup sequences. Further details on quality standards can be explored in our guide to industrial LCD quality batch testing. Adhering to these principles alongside verified LCD core technology standards ensures consistency across production lots.
Optimized Application Scenarios
- CNC Machine Interfaces: Serves as a direct replacement screen for legacy milling and lathe controllers, utilizing existing 8-bit parallel protocols.
- Medical Diagnostic Monitors: Displays vital metrics and clean waveforms due to its high-contrast pixel arrangement.
- Marine Instrumentation Panels: Retains readability in direct sunlight because of its transflective design.
- Power Distribution Control Panels: Ideal for outdoor substation controls where reliable operation within -20°C to +70°C is required.
Best Fit: The F-51136NCWHU-FW-AA is best suited for low-power, high-durability monochrome HMI retrofits requiring long-term component availability.
Key Specifications
| Mechanical Parameters | |
|---|---|
| Module Dimensions | 180.0 mm x 65.0 mm x 12.0 mm |
| Viewing Area | 132.0 mm x 39.0 mm |
| Resolution | 240 x 64 Pixels |
| Electrical Parameters | |
| Supply Voltage (VDD) | 5.0 V Typical |
| LCD Drive Voltage (VDD – VEE) | 12.0 V Typical |
| Interface Type | 8-Bit Parallel |
| Built-in Controller | T6963C or Equivalent |
| Environmental Parameters | |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -30°C to +80°C |
Engineer FAQ
Q1: Can the F-51136NCWHU-FW-AA display both text and custom graphics?
A1: Yes, the integrated T6963C-compatible controller supports character generator ROM and external RAM configurations for rendering custom graphics and text simultaneously.
Q2: How do I adjust the display contrast for temperature changes?
A2: Contrast is adjusted by applying a negative voltage to the VEE pin. Using a temperature compensation circuit is recommended to maintain optimal contrast across the -20°C to +70°C operating range.
Q3: Is the backlight of this module dimmable?
A3: Yes, the white LED backlight can be dimmed via pulse-width modulation (PWM) or analog current control through an external driver circuit.
Closing Summary
The F-51136NCWHU-FW-AA provides a reliable pathway to extend the operational life of legacy industrial control systems. With its robust thermal specs, high-contrast monochrome panel, and drop-in LED compatibility, it helps engineers maintain system uptime without redesigning the entire controller housing.