Siemens SCALANCE X200 Modules – 6GK5212-2BB00-2AA3

Technical Dossier

Product Details And Specifications

Siemens SCALANCE X200 Series Technical Notes

The Siemens SCALANCE X200 series is a family of unmanaged and managed Industrial Ethernet switches and media converters engineered for deployment in harsh industrial environments. Installed across global heavy industries — including petrochemical refineries, nuclear power facilities, offshore platforms, and large-scale chemical processing plants — the X200 series forms a foundational layer of plant-floor Ethernet infrastructure. Its ruggedized design (DIN-rail mounting, wide temperature tolerance, redundant power input) makes it a standard specification in PROFINET-based automation architectures built on Siemens SIMATIC systems. The series supports data rates of 10/100 Mbit/s across copper and fiber media, enabling deterministic communication between PLCs, HMIs, drives, and field devices in environments where commercial-grade networking hardware is not rated for continuous operation.

The Evolution of SCALANCE X200 Architecture

The SCALANCE X200 series was introduced by Siemens as part of its broader SCALANCE networking portfolio, succeeding earlier OSM (Optical Switch Module) and ESM (Electrical Switch Module) products used within SIMATIC NET. The X200 line standardized Industrial Ethernet switching under a unified hardware platform with consistent form factors and DIN-rail compatibility.

Early X200 variants focused on unmanaged copper switching (X204, X208) for simple star and line topologies. As PROFINET IRT (Isochronous Real-Time) requirements grew in automotive and process industries, Siemens expanded the X200 range to include fiber uplink ports and media conversion capabilities — culminating in models such as the 6GK5212-2BB00-2AA3, which provides copper-to-fiber media conversion for extending Ethernet segments beyond the 100-meter copper limit.

SCALANCE X200 Full Catalog & Functionalities (SKU List)

The following SKUs represent the core SCALANCE X200 module range, classified by function. Each entry reflects a distinct hardware configuration within the series.

Media Converters & Fiber Uplink Modules

• 6GK5212-2BB00-2AA3: 2-port media converter, 1x 10/100 Mbit/s RJ45 + 1x 100 Mbit/s MM fiber (SC), DIN-rail, 24 VDC
• 6GK5212-2BC00-2AA3: 2-port media converter, 1x RJ45 + 1x 100 Mbit/s SM fiber (SC), extended single-mode reach
• 6GK5212-2RS00-2AA3: 2-port media converter with redundant power supply input, MM fiber SC port

Unmanaged Copper Switches

• 6GK5204-0BA00-2AA3: SCALANCE X204, 4-port unmanaged 10/100 Mbit/s Industrial Ethernet switch, DIN-rail
• 6GK5208-0BA00-2AA3: SCALANCE X208, 8-port unmanaged 10/100 Mbit/s switch, DIN-rail, 24 VDC
• 6GK5216-0BA00-2AA3: SCALANCE X216, 16-port unmanaged 10/100 Mbit/s switch, extended port density

Managed Switches with Fiber Ports

• 6GK5204-2BB10-2AA3: SCALANCE X204-2, 4x RJ45 + 2x MM fiber (SC), managed, PROFINET support
• 6GK5204-2BC10-2AA3: SCALANCE X204-2, 4x RJ45 + 2x SM fiber (SC), managed, long-distance uplink
• 6GK5208-2BB10-2AA3: SCALANCE X208, 8x RJ45 + 2x MM fiber, managed, MRP ring support
• 6GK5208-2RS00-2AA3: SCALANCE X208 with redundant power, 8x RJ45 + 2x fiber, managed

PoE & Extended Temperature Variants

• 6GK5204-0BA10-2AA3: SCALANCE X204, extended temperature range (-40°C to +70°C), 4-port copper
• 6GK5208-0HA10-2AA3: SCALANCE X208PRO, IP65-rated, 8-port, for cabinet-free installation

IRT / PROFINET-Optimized Variants

• 6GK5205-3BB00-2AA3: SCALANCE X205, 5-port managed switch with PROFINET IRT support
• 6GK5205-3BF00-2AF2: SCALANCE X205-3LD, 3x RJ45 + 2x SM fiber, PROFINET IRT, managed
• 6GK5224-0BA00-2AA3: SCALANCE X224, 24-port managed switch, high-density PROFINET backbone
• 6GK5224-4GS00-2TC2: SCALANCE XC224, 24-port managed with SFP slots, next-generation X200 successor platform

Sourcing Hard-to-Find & Obsolete SCALANCE X200 Parts

As the SCALANCE X200 series matures, a growing number of specific hardware revisions — particularly early 2AA3 suffix variants and PRO-rated enclosure models — are being phased out of Siemens' standard distribution channels. Plants operating on 10–20 year maintenance cycles cannot simply migrate to X-300 or XC-200 platforms without significant re-engineering of existing PROFINET topologies and cabinet layouts.

Quality Control for the SCALANCE X200 Range

SCALANCE X200 modules present specific verification challenges due to their integrated backplane bus architecture and managed switch firmware dependencies. DriveKNMS applies the following test protocol to all X200 units prior to dispatch:

• Port-level continuity testing: Each RJ45 and fiber SC port is tested for link establishment at 10/100 Mbit/s using calibrated Ethernet test equipment.
• Fiber optical power measurement: MM and SM fiber ports are tested with an optical power meter to verify TX output within Siemens-specified dBm tolerance bands.
• Firmware version verification: Managed X200 variants are powered and interrogated via SNMP or web interface to confirm firmware revision and feature set compatibility.
• Redundant power input test: On dual-PSU models, both L+ terminals are tested independently to confirm failover behavior.
• Visual and mechanical inspection: DIN-rail clip integrity, port labeling, and housing condition are documented photographically for each unit.
• Burn-in cycle: Units are powered continuously for a minimum of 24 hours under ambient load prior to packaging.