1. Product Overview
Product Name: APC-3911
Model: APC-3911
Series: APC Industrial Panel PC Series (APC-3211 / APC-3511 / APC-3711 / APC-3911)
Article Number: APC-3911
Manufacturer: Aplex Technology Inc.

The Aplex APC-3911 is a high-performance 19-inch SXGA industrial panel PC designed for demanding industrial automation, control, and monitoring applications. It combines robust mechanical construction, flexible expansion options, and a high-brightness display with IP65-rated front protection. The system is powered by an Intel® Celeron® 2.4 GHz processor, with optional upgrade to a Pentium® 4 2.8 GHz CPU, providing a balance between processing power and energy efficiency. The APC-3911 is part of Aplex’s APC-xxxx series of panel PCs, which includes models with various display sizes (12.1", 15", 17", and 19") to suit different industrial requirements.

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2. Key Features
- Display: 19-inch SXGA (1280 × 1024) TFT LCD with 300 cd/m² luminance for clear, high-resolution visualization.
- Processor: Standard Intel® Celeron® 2.4 GHz CPU; optional upgrade to Intel® Pentium® 4 2.8 GHz for enhanced performance.
- Front Protection: IP65 / NEMA 4 compliant front bezel, ensuring resistance to dust, water jets, and industrial contaminants.
- Construction: Heavy-duty steel chassis with optional stainless steel front bezel for corrosion resistance and hygienic environments.
- Touchscreen: Optional resistive touch panel for intuitive user interaction and control.
- Expansion Capability: Two PCI expansion slots for additional I/O, communication, or control cards.
- Connectivity:
- 3 × COM ports (serial communication)
- 4 × USB 2.0 ports
- 1 × LAN port (Ethernet)
- 1 × VGA output for external display connection
- Storage Options:
- 1 × 2.5" HDD bay
- 1 × slim-line DVD-RW drive bay
- 1 × CompactFlash (CF) slot for solid-state storage or OS installation
- Power Supply: Universal AC input 100–240 V AC for flexible deployment in global industrial environments.
- Operating Temperature: 0°C to 50°C, suitable for standard industrial environments.
- Compliance: CE and FCC Class A certified for electromagnetic compatibility and safety.
- Mounting: Panel-mount design for integration into control cabinets, operator panels, or machine interfaces.

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3. Technical Specifications

| Category | Specification |
|---------------|-------------------|
| Display Size | 19-inch TFT LCD |
| Resolution | SXGA 1280 × 1024 pixels |
| Brightness (Luminance) | 300 cd/m² |
| Backlight Lifetime | 50,000 hours |
| Touchscreen (Optional) | 5-wire resistive touch panel |
| Processor | Intel® Celeron® 2.4 GHz (standard) / Intel® Pentium® 4 2.8 GHz (optional) |
| Expansion Slots | 2 × PCI |
| Memory | (Not specified; supports standard DDR/DDR2 depending on motherboard configuration) |
| Storage | 1 × 2.5" HDD bay, 1 × slim-line DVD-RW, 1 × CompactFlash slot |
| I/O Interfaces | 3 × COM, 4 × USB 2.0, 1 × LAN, 1 × VGA |
| Power Input | AC 100–240 V |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | 0°C to 60°C |
| Front Panel Protection | IP65 / NEMA 4 compliant |
| Construction Material | Heavy-duty steel chassis; optional stainless steel front bezel |
| Mounting Method | Panel mount |
| Certifications | CE / FCC Class A |
| Dimensions (W × H × D) | 484 × 400 × 139.3 mm |
| Weight | (Not specified; estimated 10–12 kg depending on configuration) |
| Color | Industrial gray or stainless steel (optional) |

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4. Functionality
The Aplex APC-3911 functions as a fully integrated industrial computing platform, combining display, processing, and I/O in a single ruggedized enclosure. It is designed for machine control, process visualization, SCADA systems, and HMI (Human-Machine Interface) applications.

How It Works:
The system operates as a standalone industrial PC, running standard operating systems such as Windows or Linux. The front-mounted display provides real-time visualization of process data, while the optional resistive touchscreen allows operators to interact directly with control software. The internal CPU and memory handle data processing, communication, and control logic, while the expansion slots and I/O ports enable integration with sensors, PLCs, and other industrial devices.

Use Cases & Applications:
- Factory automation and production line control
- Process monitoring in chemical, pharmaceutical, or food industries
- Machine vision and inspection systems
- Building automation and environmental control
- Transportation and logistics terminals
- Energy management and utility control panels

Compatibility:
The APC-3911 supports standard PC interfaces and operating systems, ensuring compatibility with a wide range of industrial software platforms, including SCADA, MES, and custom control applications. The VGA output allows connection to an external monitor for dual-display setups or remote monitoring.

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5. Components & Accessories

Included Components:
- APC-3911 main unit (panel PC with integrated display and CPU)
- Power input connector (AC 100–240 V)
- Mounting brackets for panel installation
- User manual and driver CD (typical for Aplex systems)

Optional Accessories:
- Stainless steel front bezel for enhanced corrosion resistance and hygienic applications (e.g., food processing)
- Resistive touchscreen module for interactive control
- Additional PCI expansion cards (e.g., fieldbus, data acquisition, or communication interfaces)
- 2.5" HDD or SSD storage devices
- Slim-line DVD-RW optical drive
- CompactFlash card for OS or data storage
- External keyboard and mouse (USB interface)
- Wall-mount or VESA-mount kits (if required for non-panel installations)

Connectors:
- Serial Ports: 3 × DB9 COM ports for RS-232/422/485 communication
- USB Ports: 4 × USB 2.0 for peripheral connectivity
- LAN Port: 1 × RJ45 Ethernet port for network communication
- VGA Port: 1 × D-Sub 15-pin for external display output
- Power Connector: AC input terminal (100–240 V AC)

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6. Installation & Setup

Requirements:
- AC power source (100–240 V, 50/60 Hz)
- Panel cutout matching the unit’s dimensions (approx. 484 × 400 mm front panel size)
- Adequate ventilation or enclosure space for heat dissipation
- Grounded electrical installation for safety and EMC compliance

Mounting Options:
- Panel Mount: Standard configuration; the unit is installed flush into a control cabinet or console panel using mounting brackets.
- Optional Mounting: With additional accessories, the system can be adapted for wall or VESA mounting.

Configuration:
1. Prepare the panel cutout according to the specified dimensions.
2. Insert the APC-3911 into the cutout and secure it using the provided mounting clamps.
3. Connect power, network, and peripheral cables.
4. Install the desired operating system and drivers (if not preloaded).
5. Configure BIOS and system settings as required for the application.
6. Calibrate the touchscreen (if equipped) using the provided utility.

Environmental Considerations:
- Ensure ambient temperature remains within 0–50°C during operation.
- Avoid exposure to direct sunlight or high humidity.
- Maintain front panel cleanliness to preserve IP65 protection.

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7. Performance & Capabilities

Processing Performance:
The Intel® Celeron® 2.4 GHz processor provides reliable performance for industrial control and visualization tasks. For more demanding applications, the optional Pentium® 4 2.8 GHz CPU offers higher computational throughput.

Display Performance:
The 19-inch SXGA TFT LCD delivers sharp, detailed images with a resolution of 1280 × 1024 pixels and brightness of 300 cd/m², suitable for indoor industrial environments. The 50,000-hour backlight lifetime ensures long-term reliability and minimal maintenance.

Expansion & Connectivity:
Two PCI slots allow integration of additional communication or control interfaces, such as motion controllers, data acquisition cards, or fieldbus adapters. The multiple COM and USB ports support a wide range of industrial peripherals.

Storage & Data Handling:
The combination of HDD, DVD-RW, and CF slot provides flexible storage options for operating systems, data logging, and software installation.

Efficiency & Reliability:
The system’s fan-cooled design and industrial-grade components ensure stable operation under continuous 24/7 workloads. The IP65-rated front panel protects against dust and water ingress, extending the system’s operational life in harsh environments.

Limitations:
- Operating temperature limited to 0–50°C (not suitable for extreme cold or high-heat environments without additional conditioning).
- Front panel IP65 protection only; rear chassis requires enclosure protection in washdown or outdoor environments.
- Limited to PCI expansion (no PCIe support).

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8. Standards & Compliance

Certifications:
- CE (Conformité Européenne): Ensures compliance with European safety, health, and environmental protection standards.
- FCC Class A: Meets U.S. Federal Communications Commission standards for electromagnetic interference in industrial environments.

Protection Rating:
- NEMA 4 / IP65 Front Bezel: Dust-tight and protected against water jets from any direction, suitable for industrial and light washdown applications.

Industry Standards:
- Compliant with general industrial computing standards for panel PCs.
- Compatible with standard PC operating systems and software environments.

Environmental Compliance:
- Designed for RoHS-compliant manufacturing (lead-free components, where applicable).

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9. Additional Information

Warranty:
Typically supplied with a 1-year limited manufacturer’s warranty covering defects in materials and workmanship (exact terms may vary by region or distributor).

Support:
Aplex provides technical documentation, driver downloads, and firmware updates through its official support channels. Engineering support is available for system integration and customization.

Maintenance:
- Regularly clean the front panel with a soft, damp cloth to maintain IP65 integrity.
- Ensure ventilation openings are free from dust accumulation.
- Replace the backlight after approximately 50,000 hours of operation if brightness diminishes.
- Periodically check cable connections and mounting hardware for secure fit.

Software & Updates:
The APC-3911 supports standard operating systems such as Windows XP/7/10 (embedded or industrial versions) and Linux distributions. BIOS and driver updates are available from Aplex’s website to ensure compatibility with new hardware and software environments.

Lifecycle & Availability:
As part of Aplex’s long-term industrial product line, the APC-3911 is designed for extended availability and lifecycle support, ensuring continuity for OEM and system integrator projects.

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### Summary
The Aplex APC-3911 is a robust, high-performance 19-inch SXGA industrial panel PC engineered for reliability, flexibility, and ease of integration in industrial automation environments. With its IP65-rated front bezel, heavy-duty steel construction, and versatile I/O configuration, it provides a dependable platform for HMI, SCADA, and control applications. The combination of Intel® Celeron® or Pentium® 4 processing power, multiple expansion slots, and flexible storage options makes it suitable for a wide range of industrial and commercial uses.

Its compliance with CE and FCC Class A standards, along with long backlight life and optional stainless steel front bezel, ensures durability and performance in both standard and hygienic environments. The APC-3911 exemplifies Aplex’s commitment to delivering industrial-grade computing solutions that balance performance, reliability, and configurability for mission-critical operations.