| Category | Item | Standard Parameter Value |
|---|---|---|
| Basic Identification | MLFB Article Number | 6AV7853-0AH34-4BB1 |
| Full Product Model | SIMATIC Panel PC 477B | |
| Manufacturer | SIEMENS AG | |
| Production Origin | Germany | |
| Lifecycle Status | Discontinued / Obsolete, production terminated Oct 01, 2017, no direct replacement | |
| Display Module | Screen Size | 15-inch Color TFT LCD |
| Native Resolution | 1024 × 768 XGA | |
| Touch Technology | Analog resistive single-touch, glove operation supported | |
| Backlight MTBF @25°C Ambient | 50,000 hours | |
| Front Panel Protection Class | IP65 / NEMA 4X | |
| Rear Chassis Protection Class | IP20 (cabinet internal installation only) | |
| CPU & Cooling System | Cooling Design | Full fanless passive heat dissipation, maintenance-free |
| Central Processor | Intel Pentium M LV 1.4 GHz Single Core, 400 MHz FSB | |
| Cache Memory | 2 MB L2 Cache | |
| Integrated Graphics Controller | Intel GMA900 industrial VGA graphics, dynamic shared memory 8–128 MB | |
| Memory & Storage | System RAM | 2 GB DDR2 SDRAM (code segment 34 memory configuration) |
| Internal Mass Storage (Code B) | 240 GB Industrial SATA SSD | |
| External Storage Expansion | Dual CFast card slots for data logging, backup & system recovery | |
| Onboard Communication Interfaces | Ethernet Ports | 2 × Gigabit RJ45 (10/100/1000 Mbps, PROFINET compatible) |
| Fieldbus Interface (Code H) | PROFIBUS DP / MPI RS485 onboard, max transmission speed 12 Mbps, high-performance bus chipset | |
| Serial COM Port | 1 × COM1, software configurable RS232 interface | |
| USB Interfaces | 4 × USB2.0 rear panel + 1 × front service USB port | |
| Secondary Video Output | 1 × DVI-I port for external extended monitor | |
| OS & Runtime Software | OS Version Code 4 | Windows XP Embedded SP3, Single English 32-bit OS pre-installed on internal SSD |
| Visualization Runtime (Code B1) | Factory pre-installed WinCC Flexible RT Runtime License (2048 tags capacity) | |
| Power Supply Specifications | Rated Input Voltage | 24 V DC |
| Allowable Voltage Tolerance | 19.2 V DC ~ 28.8 V DC (-20% / +20%) | |
| Max Full-Load Power Consumption | 39 W | |
| Mechanical Dimensions | Front Panel Size (W × H) | 395 mm × 310 mm |
| Overall Installation Depth | 82 mm | |
| Cabinet Cutout Size (W × H) | 375 mm × 290 mm | |
| Net Weight | 4.9 kg | |
| Environmental Ratings | Continuous Operating Temp (vertical mount) | 0 °C ~ +50 °C |
| Storage & Transportation Temperature | -20 °C ~ +60 °C | |
| Relative Humidity | 5% ~ 90% RH, non-condensing environment only | |
| Vibration Compliance Standard | IEC 60068-2-6 industrial vibration test | |
| Shock Compliance Standard | IEC 60068-2-27 industrial shock test | |
| Certifications & Export Info | Global Official Approvals | CE, cULus, RoHS compliant |
| ECCN Export Control Code | 5A992 |









