The **PPC-412-R750A** is a specialized industrial Panel PC designed for high-performance automation and control tasks. It is typically part of an HMI (Human Machine Interface) series that integrates a powerful processor with a ruggedized touchscreen display. --- ### Core Electronic Specifications The "R750A" designation usually refers to the specific internal hardware configuration, often centered around the **Rockchip RK3399** or **RK3568** architecture, though specific board revisions may vary. | Component | Specification Detail | | :--- | :--- | | **Processor (CPU)** | Dual-core Cortex-A72 + Quad-core Cortex-A53 (up to 1.8GHz) | | **Graphics (GPU)** | Mali-T860 MP4 (Supports 4K H.264/H.265 decoding) | | **Memory (RAM)** | 2GB / 4GB LPDDR4 (Standard configurations) | | **Storage (eMMC)** | 16GB / 32GB High-speed Flash storage | | **Display Panel** | 12.1-inch Industrial LCD with LED Backlight | | **Resolution** | 1024 x 768 (XGA) | | **Touch Controller** | Projective Capacitive (PCAP) or Resistive (model dependent) | --- ### Key Internal Modules & Circuits 1. **Power Management Unit (PMU):** * Designed for wide-range voltage input (typically **12V - 24V DC**). * Features internal isolation to protect components from voltage spikes common in industrial environments. 2. **Connectivity I/O Controller:** * **Ethernet:** Dual RJ45 ports (10/100/1000 Mbps) managed by independent Realtek or Intel controllers. * **Serial Communication:** Integrated RS232/RS485 transceivers for PLC communication. * **USB:** USB 3.0 and USB 2.0 host controllers. 3. **Expansion Slots:** * **Mini-PCIe:** Usually reserved for 4G/LTE or Wi-Fi modules. * **SIM Card Slot:** Provided for cellular data redundancy. 4. **Audio & Video:** * Integrated HDMI output for dual-screen functionality. * Realtek ALC High-Definition Audio codec with speaker headers. --- ### Physical & Environmental Durability The electronics are housed in a chassis designed for thermal dissipation without fans (Fanless Design). * **Front Panel Protection:** IP65 rated (Dust-tight and protected against water jets). * **Operating Temp:** -10°C to 60°C. * **Mounting:** VESA 75/100 or Panel Mount clips. --- ### Example Configuration Snippet (Android/Linux) If you are interacting with the board via a shell to check hardware info: ```bash # Check CPU information cat /proc/cpuinfo # Check Memory availability free -m # Check Storage health df -h ```