The **TPC-312-RJ22A** is an industrial-grade Thin Client Terminal (often categorized under the Advantech TPC series) designed for automation and HMI (Human Machine Interface) applications. Below is a breakdown of its key electronic components and specifications. --- ### 1. Core Processing & Memory The device is built on an x86 architecture, typically utilizing low-power Intel Atom or Celeron processors to ensure passive cooling (fanless design) which is critical for industrial longevity. | Component | Specification Details | | :--- | :--- | | **CPU** | Intel® Atom™ or Celeron® Quad-Core (e.g., J1900 or similar series) | | **RAM** | DDR3L SO-DIMM (Usually supports up to 8GB) | | **Storage** | mSATA SSD or 2.5" SATA SSD/HDD slot | | **OS Support** | Windows 10 IoT, Windows 7, Linux | --- ### 2. Display & Touch Interface The "312" in the model name usually signifies a 12.1-inch display. The electronics driving the panel are designed for high durability. * **Panel Type:** XGA TFT LED LCD. * **Resolution:** 1024 x 768. * **Touch Controller:** 5-wire Resistive Touch (standard for RJ22A variants), allowing operation with gloves and in dusty environments. * **Luminance:** Typically 600 cd/m² (High brightness for industrial lighting). --- ### 3. Connectivity & I/O Ports The "RJ" designation often refers to specific communication configurations, emphasizing LAN connectivity. * **Ethernet:** Dual 10/100/1000 Mbps RJ45 ports (Intel I210/I211 controllers). * **Serial Ports:** 1 x RS-232, 1 x RS-232/422/485 (DB9 connectors). * **USB:** 1 x USB 3.0 and 3 x USB 2.0 ports. * **Expansion:** Mini PCIe slot (usually used for Wi-Fi, Bluetooth, or Fieldbus modules like CANOpen). --- ### 4. Power & Environmental Protection The electronic design emphasizes protection against power fluctuations and harsh environments. * **Input Voltage:** 24VDC (±20% tolerance). * **Power Consumption:** Typically 18W (Typical) to 40W (Max). * **Protection Circuits:** * **Isolation:** Chassis Grounding. * **Ingress Protection:** IP66 rated front bezel (protected against dust and powerful water jets). * **Cooling:** Fanless design using an internal aluminum heat sink to dissipate heat through the chassis. --- ### 5. Summary Block Diagram Logic 1. **Input:** 24V DC Power -> Internal Voltage Regulators -> CPU/RAM. 2. **Processing:** Intel SoC handles I/O, Graphics, and Data Processing. 3. **Output:** LVDS/eDP signal to the 12.1" LCD; Serial/Ethernet data to factory machinery. ---