
Siemens 6AV7856-0AD20-1AA0
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The Siemens SIMATIC Panel PC 477B with 19-inch touch display is a robust industrial PC designed for demanding automation and control environments. Featuring a high-resolution 1280 x 1024 touchscreen and a durable standard front, this panel PC provides reliable operator interaction in production, process control, and machine visualization applications.
Powered by an Intel Celeron M processor at 1.0 GHz and equipped with 1 GB DDR2 RAM, the Panel PC 477B delivers stable performance for legacy HMI and industrial PC applications. The integrated connectivity includes two Gigabit Ethernet ports, four USB 2.0 interfaces, and an RS232 serial interface, ensuring seamless integration into existing industrial networks and automation systems.
The device operates on a 24 V DC power supply and features two CompactFlash slots without pre-installed mass storage, allowing flexible system configuration according to application requirements. As part of the SIMATIC Panel PC range, this model was manufactured in Germany and meets industrial standards for reliability and long-term operation.
Please note that this product is obsolete and no longer in active production. It is typically used for system replacements, spare parts, or maintaining existing SIMATIC installations where compatibility and continuity are essential.