SIEMENS 6GK5202-2BB00-2BA3 – Managed Industrial Ethernet Switch for Mixed Copper/Fiber Networks

The SIEMENS 6GK5202-2BB00-2BA3 is a SCALANCE X‑200 family switch that, in most cases, corresponds to the X202‑2 managed variant with two copper and two fiber Fast Ethernet interfaces. From my experience, this model is a smart fit when you need to bridge PLC cells on RJ45 to a fiber backbone—typical in machining lines, water treatment plants, or conveyor systems where longer runs and electrical noise make fiber the safer choice. One thing I appreciate is how it trims out the need for separate media converters, which usually simplifies the panel layout and reduces points of failure.

Company’s Order Placement Process and Guarantees

• Warranty: 365 days
• Delivery: 1 week for in‑stock items; no more than 1 month at the latest
• Payment: 50% advance payment; full payment prior to delivery
• Express options: FedEx, UPS, DHL

Key Features

• Mixed copper/fiber ports: Typically 2 x 10/100Base‑TX (RJ45) + 2 x 100Base‑FX (SC, multimode) for flexible topology and longer runs over fiber.
• Managed Layer 2: VLAN (802.1Q), QoS (802.1p), IGMP snooping, port mirroring—handy for segmenting machine cells and prioritizing HMI/PLC traffic.
• Ring redundancy: Supports industrial ring concepts (e.g., MRP/RSTP) to keep I/O online during single failures.
• Industrial design: IP20, DIN‑rail mount, robust EMC immunity; designed for control cabinets around machines and process skids.
• Redundant 24 VDC feed: Dual power inputs for higher availability in control panels.
• Diagnostics & management: Web interface and SNMP-based diagnostics; fits well into mixed vendor networks.
• PROFINET-friendly: Typically provides LLDP and device diagnostics that integrate cleanly with SIMATIC environments.

Technical Specifications

Application Fields

You might notice that this model shows up where plants are migrating machine cells to fiber while keeping local PLCs on copper. Typical examples:

• Discrete manufacturing: Machine tools, packaging lines, and assembly where fiber rings interconnect line segments.
• Process industries: Water & wastewater, chemical skids, and pumping stations that need longer EMI‑immune links.
• Intralogistics: Conveyors and AS/RS systems linking remote panels over fiber with local devices on RJ45.
• Infrastructure: Tunnels, bridges, and utility corridors where distance and electrical isolation matter.

A maintenance engineer recently told me the mixed‑media ports cut their failure rate during outages because they could keep the fiber ring up and just service local copper drops, which seems to be a real‑world time saver.

Advantages & Value

• Reliability: Redundant 24 VDC feeds and ring redundancy help maintain uptime during single‑point failures.
• Compatibility: Plays nicely with SIMATIC/PROFINET, yet remains standards‑based for mixed vendor networks.
• Cost control: Combining copper and fiber on one device often removes the need for separate media converters and extra wiring.
• Scalability: VLANs and QoS make it easier to grow a cell/line while keeping determinism for HMI/PLC traffic.
• Lifecycle support: Firmware updates and SNMP monitoring improve long‑term maintainability.

Installation & Maintenance

• Cabinet & environment: Mount on 35 mm DIN‑rail in an IP20 cabinet with adequate ventilation; observe the 0–60 °C operating range.
• Power wiring: Use dual 24 VDC feeds where possible; keep commons bonded correctly to avoid ground loops.
• Cabling: Use shielded industrial Ethernet for RJ45; respect fiber bend radius and clean SC connectors before mating.
• Network setup: Enable VLAN/QoS per traffic class; configure ring redundancy (MRP/RSTP) and verify with link tests.
• Maintenance: Schedule periodic port diagnostics, back up configuration, and apply firmware updates during planned downtime.
• Safety: De‑energize before wiring; follow local electrical codes and Siemens installation notes.

Quality & Certifications

• Standards & approvals: CE and RoHS compliant; cULus listings are typical for SCALANCE X‑200 series devices.
• Manufacturer support: Long-term firmware and documentation support for lifecycle continuity.
• Warranty: 365 days from our side, with quick replacement handling for verified DOA or defects.

If you’re aligning this with existing SCALANCE or SIMATIC hardware, share your port mix and ring topology; we can double‑check the optical type (multimode SC) and redundancy settings to make sure it drops in smoothly.