
Siemens 6ES7643-8LP34-3XA0
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The Siemens SIMATIC Rack PC 847B (6ES7643-8LP34-3XA0) is an industrial rack-mounted PC designed for demanding automation and control environments. As part of the SIMATIC Rack PC portfolio, this system delivers reliable performance, long-term stability, and seamless integration into existing Siemens automation architectures.
This industrial PC is equipped with an Intel Core 2 Duo T7400 processor (2.16 GHz) and 2 GB DDR2 RAM in dual-channel configuration, ensuring stable operation for control, visualization, and monitoring tasks. The integrated RAID1 system with two 250 GB SATA hard drives in removable, hot-swappable frames provides enhanced data security and system availability, which is essential in industrial applications.
The PC 847B offers extensive connectivity, including two Gigabit Ethernet RJ45 ports, VGA output, PROFIBUS/MPI interface, multiple USB 2.0 ports, serial and parallel interfaces, as well as audio connections. With an 11-slot bus module supporting PCI and PCIe expansions, the system allows flexible adaptation to application-specific requirements.
Designed for industrial use, the unit features temperature and fan monitoring, a hardware watchdog, and an industrial-grade power supply with NAMUR support. This product is supplied without an operating system and without hardware expansions, making it suitable for customized industrial configurations.
Please note that this model has been declared obsolete by Siemens. It remains relevant for system maintenance, replacement in existing installations, or spare part applications within established SIMATIC Rack PC 847B systems.