This high-performance VDU board drives graphical display outputs for operator interface terminals. It processes video signals and manages screen rendering for real-time process visualization. The unit supports multiple display resolutions for flexible human-machine interaction.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | PFSK111 5735175-C |
| Product Type | VDU Board / Graphics Controller |
| Supply Voltage | 5 V DC ±5% and 24 V DC ±10% (dual-rail) |
| Power Consumption | 15 W (typical) |
| Video Output | 1 x VGA (15-pin D-sub) |
| Max Resolution | 1280 x 1024 pixels (SXGA) |
| Color Depth | 16-bit (65,536 colors) |
| Frame Buffer | 4 MB SDRAM (onboard) |
| Communication | 1 x RS-232 (configuration port) |
| Backplane Interface | 1 x 64-pin DIN connector |
| Refresh Rate | 60 Hz (default) |
| Onboard Diagnostics | 4 x LED (Power, Active, Fault, Sync) |
| Mounting | Backplane slot (6U form factor) |
| Dimensions (W x H x D) | 40 mm x 233 mm x 220 mm |
| Weight | 0.55 kg |
Mechanical Design and Form Factor
This VDU board follows the standard 6U Eurocard form factor for rack mounting. Its 40 mm width occupies a single slot in the backplane chassis. The board weighs 0.55 kilograms and features a rigid multilayer PCB construction. All edge connectors align precisely with the backplane guide rails.
Power Supply and Electrical Requirements
The board requires both 5 V and 24 V DC supply rails for operation. The 5 V rail powers the digital logic and graphics processor. The 24 V rail supplies the video output driver circuitry. The total power consumption reaches 15 watts under typical operating conditions.
Video Processing and Display Capabilities
This VDU board delivers crisp graphics at resolutions up to 1280 x 1024 pixels. It supports 16-bit color depth for rich and detailed screen content. The onboard frame buffer stores 4 MB of video data for smooth rendering. The VGA output connects directly to standard monitors and touchscreens.
Communication and Configuration
An RS-232 serial port provides configuration access for setup and calibration. This interface allows engineers to adjust display parameters and firmware settings. The board also communicates with the host system through the backplane connector. This backplane link carries control commands and process data.
Diagnostic Features and Status Monitoring
Four front-panel LEDs offer immediate operational feedback to technicians. The Power LED confirms that both supply rails are present. The Active LED indicates normal video signal generation. The Fault LED alerts users to any hardware or communication errors. The Sync LED shows vertical synchronization signal status.
Energy Storage and Data Retention
The board integrates a small supercapacitor for real-time clock backup. This capacitor maintains time-sensitive settings during brief power losses. The frame buffer memory retains image data for approximately 100 milliseconds. This short hold-up prevents screen flicker during supply transients.
Application Suitability
This VDU board serves operator workstations in process control environments. It works effectively in power generation, water treatment, and chemical plants. The device also supports marine and offshore automation systems. Its operating temperature range spans 0°C to +55°C.
Details
| Weight | 0.55 kg |
|---|---|
| Dimensions | 40 × 233 × 220 mm |
