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G242CX5RIAC tft display
G242CX5RIAC is a classic 5.5-inch FSTN monochrome industrial LCD module with 240×128 resolution, widely adopted for old industrial control equipment, injection molding machines and testing instruments. Designed with negative display mode (white characters on black background), it delivers high readability for text, numerical data and simple industrial graphics under indoor factory environments. It adopts universal 8-bit parallel TTL interface compatible with 6800 and 8080 microcontroller buses, enabling seamless matching with legacy industrial mainboards without complicated conversion circuits. This panel supports two backlight schemes: standard single CCFL lamp for stable long-term display, and optional low-power WLED for battery-powered portable devices. Its matte anti-glare surface avoids light reflection interference, and stable FSTN liquid crystal structure ensures continuous 24/7 operation within standard industrial temperature range. Fully RoHS compliant, it is a direct replacement screen for original SII industrial monochrome display modules with consistent mounting dimensions and pin definition.
| Parameter | Specification |
|---|---|
| Model Number | G242CX5RIAC (Alias: G242CX5R1AC) |
| Brand | SII (Seiko Instruments Inc.) |
| Diagonal Size | 5.5 inches |
| Native Resolution | 240 × 128, Monochrome Negative FSTN, Wide aspect ratio |
| Display Technology | FSTN-LCD, Transmissive, Negative Mode (White text on black background) |
| Signal Interface | 8-bit Parallel TTL, 20-pin pad, Support 6800 / 8080 MCU timing |
| Backlight Option | CCFL single lamp (10,000 hrs lifespan) / Optional side WLED backlight |
| Typical Brightness | 70 cd/m² |
| Typical Contrast Ratio | 6:1 |
| Refresh Frequency | 70 Hz |
| Response Time (Tr / Td) | 490 ms / 410 ms typical |
| Active Display Area | 122.36 mm (W) × 65.24 mm (H) |
| Overall Outline Dimension | 180 mm (W) × 110 mm (H) × 15.1 mm (D) |
| Surface Treatment | Matte anti-glare polarizer, reduce indoor light reflection |
| Logic Supply Voltage | 5.0 V DC typical input |
| Power Consumption | ≤ 1.8 W (CCFL version) |
| Operating Temperature Range | 0 ℃ ~ +50 ℃ |
| Storage Temperature Range | -20 ℃ ~ +60 ℃ |
| Panel Weight | 0.5 kg typical |
| Compliance Standard | RoHS Lead-Free Certified |
| Product Status | Legacy industrial monochrome screen, spot stock for equipment repair & replacement |
Injection molding machine industrial control panels
Old CNC machinery & factory automation operation terminals
Industrial test, measurement & analytical instruments
Medical auxiliary monitoring equipment
Automotive industrial navigation & vehicle-mounted control screens
Plastic machinery, textile equipment HMI display replacement
Low-power embedded handheld industrial testers
