Kyocera KCS3224ASTT-X7 | Robust 5.7" STN Color Display for Industrial HMIs
The Kyocera KCS3224ASTT-X7 is an industrial-grade 5.7-inch color STN (Super-Twisted Nematic) LCD module engineered for exceptional reliability and longevity in demanding operational environments. While modern TFTs dominate the market, the KCS3224ASTT-X7 carves out a critical niche, offering a proven, cost-effective, and durable display solution for Human-Machine Interfaces (HMIs), process controllers, and legacy system retrofits where steadfast performance is paramount.
- Proven Industrial Durability: Built to withstand the rigors of industrial settings with a wide operating temperature range and robust construction.
- Long-Life CCFL Backlight: Features a Cold Cathode Fluorescent Lamp (CCFL) backlight system with a typical lifespan of 50,000 hours, ensuring long-term, consistent illumination.
- Excellent Readability for Control UIs: The 320x240 QVGA resolution is optimized for displaying critical system parameters, status indicators, and simple graphical interfaces with clarity.
- Legacy System Compatibility: Serves as a reliable drop-in replacement or upgrade for aging displays in existing machinery, extending the life of valuable capital equipment.
Key Technical Specifications
These parameters are critical for system integration and performance evaluation. For comprehensive electrical and mechanical details, download the official KCS3224ASTT-X7 datasheet.
| Parameter | Value |
|---|---|
| Screen Size | 5.7 inches (14.5 cm) |
| Resolution | 320 x 240 pixels (QVGA) |
| Display Technology | STN (Super-Twisted Nematic) Color LCD |
| Backlight System | CCFL (Cold Cathode Fluorescent Lamp) |
| Brightness | 150 cd/m² (Typical) |
| Contrast Ratio | 25:1 (Typical) |
| Interface | 4-bit Digital (L/S, REV) |
| Operating Temperature | -10°C to +60°C |
| Storage Temperature | -20°C to +70°C |
Technical Deep Dive: The Engineering Behind the Reliability
The value of the Kyocera KCS3224ASTT-X7 lies in its deliberate engineering choices, which prioritize stability over cutting-edge features. Understanding this distinction is key to leveraging its strengths.
The foundation of this module is its STN display technology. Unlike a modern active-matrix TFT-LCD, a passive-matrix STN panel has a simpler internal structure. This inherent simplicity translates directly into ruggedness and a predictable, stable lifecycle, making it less susceptible to the types of failures that can affect more complex displays in environments with high vibration or electrical noise. The slower response time is a non-issue for the intended applications of status monitoring and control, where information changes periodically rather than dynamically like full-motion video.
Application Scenarios & Value Proposition
This display excels where others may be considered overkill or insufficiently robust. It is engineered for applications where uptime and clarity of essential data are the primary design drivers.
- Industrial Process Control: Ideal for PLCs, CNC machines, and factory automation controllers. The QVGA resolution provides ample space for displaying setpoints, error codes, and machine status without overwhelming the operator.
- Legacy Equipment Retrofits: A perfect form-fit-function replacement for aging or discontinued displays in machinery from the 1990s and 2000s, breathing new life into valuable industrial assets without costly system redesigns.
- Test & Measurement Equipment: In oscilloscopes, spectrum analyzers, and portable diagnostic tools, the KCS3224ASTT-X7 offers a clear, reliable readout that can withstand field or benchtop use for years.
Expert Answers to Common Engineering Questions (FAQ)
Is the CCFL backlight replaceable?
Yes, one of the key design considerations for CCFL-based industrial displays is serviceability. The backlight unit is a replaceable component, allowing for field or depot-level repair to extend the display's operational life well beyond the initial 50,000-hour rating, significantly lowering the total cost of ownership.
Is this display suitable for outdoor, sunlight-readable applications?
With a typical brightness of 150 cd/m², the Kyocera KCS3224ASTT-X7 is designed for indoor or heavily shaded environments. It is not a sunlight-readable display. For applications requiring direct sunlight visibility, a different class of display with significantly higher brightness (typically >1000 cd/m²) and advanced optical bonding is necessary. You can explore our definitive engineer's guide to sunlight-readable HMIs for suitable alternatives.
If you are specifying a display for a new design or need to source a reliable replacement for an existing industrial system, the Kyocera KCS3224ASTT-X7 represents a benchmark in purpose-built reliability. For pricing, availability, or to discuss compatibility with your specific application, please contact our technical team.
