The Siemens 6GK5202-2BB00-2BA3 (SCALANCE X202-2IRT) is a 4-port managed industrial Ethernet switch designed for high-precision PROFINET IRT applications. Featuring 2 RJ45 ports, 2 multimode BFOC fiber ports, and integrated redundancy management, this switch ensures deterministic real-time communication and robust network stability in harsh industrial environments.
The Siemens 6GK5202-2BB00-2BA3, part of the SCALANCE X-200IRT series, functions as a high-performance Managed Industrial Ethernet Switch designed specifically for Isochronous Real-Time (IRT) applications. This switch enables deterministic data transmission, which ensures that time-critical PROFINET IO data arrives at its destination with microsecond precision. By utilizing four integrated ports—two 10/100 Mbit/s RJ45 electrical ports and two 100 Mbit/s multimode BFOC optical interfaces—the switch effectively bridges copper and fiber optic segments. Consequently, it supports long-distance communication up to 5 km while maintaining the low-latency cycles required for high-speed motion control and synchronized drive systems.
To prevent process interruptions, the SCALANCE X202-2IRT incorporates advanced redundancy managers and a redundant 24 VDC power supply interface. This architecture allows the switch to automatically reroute data traffic in the event of a cable fault or port failure, minimizing downtime in critical production environments. Furthermore, the device supports the Media Redundancy Protocol (MRP) and High Speed Redundancy (HRP), which facilitate the creation of reliable ring topologies. Because the switch includes an error signaling contact and a dedicated “Set” pushbutton, maintenance teams can quickly acknowledge and troubleshoot hardware faults locally, ensuring that the network remains stable and transparent across the facility.
Siemens has engineered the 6GK5202-2BB00-2BA3 to withstand extreme industrial conditions, featuring an IP30-rated compact housing that operates reliably in temperatures ranging from -40°C to +60°C. The module integrates seamlessly into the Totally Integrated Automation (TIA) Portal, which streamlines network configuration and PROFINET IO diagnostics through a unified software interface. Additionally, the switch supports the optional C-PLUG removable data storage medium, allowing for rapid device replacement without the need for a programming device. This level of physical resilience and digital intelligence makes the X202-2IRT an essential component for automotive assembly lines, food processing, and advanced mechanical engineering.
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