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Product Overview
The Siemens 6AV6644-0AA01-2AX0 is a high-performance 12-inch SIMATIC MP377 Multi Panel, representing the pinnacle of Siemens’s legacy PC-based HMI technology before the transition to the Comfort Panel series. As a genuine Siemens automation component, the Siemens 6AV6644-0AA01-2AX0 bridges the gap between traditional programmable logic controllers and industrial PCs, offering the robustness of a panel PC with the simplicity of a standard HMI device. It features a brilliant 12.1-inch TFT display with SVGA resolution (800×600 pixels) and supports up to 256 colors, providing exceptional clarity for complex process visualizations, trend charts, and alarm management screens.Powered by a 366 MHz Intel XScale processor (x86 architecture) and equipped with 64 MB of Flash/RAM user memory, the Siemens 6AV6644-0AA01-2AX0 handles demanding visualization tasks with ease. It runs on Microsoft Windows CE 5.0, a real-time capable operating system optimized for industrial embedded applications. The Siemens 6AV6644-0AA01-2AX0 is configurable exclusively via WinCC Flexible 2008, allowing engineers to create sophisticated user interfaces with extensive scripting capabilities, recipe management, and data logging functions.Although Siemens officially discontinued the Siemens 6AV6644-0AA01-2AX0 (PM410 status effective October 1, 2015), it remains a mission-critical spare part for thousands of installed systems in automotive, pharmaceutical, and process automation facilities worldwide. Its comprehensive connectivity suite—including PROFIBUS DP, MPI, PPI, Ethernet (TCP/IP), and serial interfaces—ensures seamless integration with SIMATIC S7-300, S7-400, and S5 controllers. With an IP65-rated front panel, a 50,000-hour LED backlight MTBF, and a rugged aluminum die-cast front bezel, the Siemens 6AV6644-0AA01-2AX0 is engineered for 24/7 operation in the harshest industrial environments, making it the definitive choice for MRO (Maintenance, Repair, and Operations) professionals tasked with sustaining legacy automation infrastructure.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 6AV6644-0AA01-2AX0 |
| Manufacturer | Siemens AG |
| Product Type | SIMATIC MP377 Multi Panel (12″ Touch) |
| Display Technology | 12.1″ TFT LCD, SVGA |
| Screen Resolution | 800 × 600 pixels |
| Color Depth | 256 colors (64k colors configurable) |
| Touch Screen | Analog Resistive |
| Processor | Intel XScale, 366 MHz |
| User Memory | 64 MB Flash / 64 MB RAM |
| Expansion Slot | 1× CompactFlash Card Slot (Type I/II) |
| Communication Interfaces | 1× PROFIBUS DP/MPI, 1× Ethernet (RJ45), 1× RS232, 1× RS422/485 |
| USB Ports | 2× USB 2.0 Host |
| Power Supply | 24 V DC (19.2 – 28.8 V DC range) |
| Power Consumption | 25 W (typical) |
| Rated Current | 1.04 A |
| Backlight | CCFL (Cold Cathode Fluorescent Lamp), 50,000 h MTBF |
| Operating System | Microsoft Windows CE 5.0 |
| Configuration Software | WinCC Flexible 2008 (or higher Service Packs) |
| Front Panel Protection | IP65 (Type 4X) |
| Rear Panel Protection | IP20 |
| Ambient Operating Temperature | 0°C to +50°C |
| Storage Temperature | -20°C to +60°C |
| Relative Humidity | 10% to 90% (non-condensing) |
| Physical Dimensions (W×H×D) | 392 × 303 × 92 mm |
| Cutout Dimensions | 364 × 275 mm |
| Net Weight | Approx. 5.7 kg |
| Product Lifecycle | PM410 – Product Cancellation (since 01.10.2015) |
| Successor Model | 6AV2124-0MC01-0AX0 (TP1200 Comfort) |
| Certifications | CE, UL, cULus, FM Class I Div 2, CSA, RCM |
Main Features and Advantages
The Siemens 6AV6644-0AA01-2AX0 offers a unique blend of PC-like performance and HMI-like reliability that made it a benchmark in the industrial automation sector. Its most significant advantage is the x86-based Intel XScale processor, which provides substantially more computational horsepower than the ARM-based processors found in standard panels. This allows the Siemens 6AV6644-0AA01-2AX0 to execute complex VBScript logic, handle large historical data sets, and run custom applications alongside the standard HMI runtime, effectively functioning as a low-footprint industrial PC.Superior visualization and memory:With 64 MB of onboard Flash and RAM, the Siemens 6AV6644-0AA01-2AX0 supports significantly larger and more complex projects than its predecessors. The 12.1-inch SVGA TFT display delivers sharp, high-contrast visuals that are essential for detailed P&ID diagrams and multi-parameter trend views. The Siemens 6AV6644-0AA01-2AX0 supports 256 native colors, with options to configure up to 64k colors, ensuring that process graphics are rendered with professional fidelity. The integrated CompactFlash slot allows for virtually unlimited expansion of recipe storage, archival data, and even complete OS/Project backups, turning the panel into a self-sufficient data hub.Unrivaled communication flexibility:The Siemens 6AV6644-0AA01-2AX0 is a communication powerhouse. It natively supports Siemens’s full spectrum of fieldbus protocols, including PROFIBUS DP, MPI, and PPI, allowing it to act as a master or slave on legacy S5 and S7 networks. The built-in Ethernet interface supports TCP/IP, ISO-on-TCP, and UDP protocols, facilitating integration into modern office networks and SCADA systems. Additionally, the Siemens 6AV6644-0AA01-2AX0 includes two USB 2.0 ports for connecting keyboards, mice, printers, or external storage devices, enhancing operator usability in data-entry-intensive applications.
