Siemens SCALANCE X200 Modules - 6GK5208-0BA00-2AB2

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 designed for deployment in harsh industrial environments. Installed across global heavy industries — including petrochemical plants, nuclear power facilities, offshore platforms, and oil refineries — the X200 series provides deterministic, high-availability network infrastructure for PROFINET, PROFIBUS-over-Ethernet, and standard IEEE 802.3 communications. Its DIN-rail form factor, wide operating temperature range (−40 °C to +70 °C on select models), and redundant power input architecture make it a standard specification component in Siemens TIA Portal-based automation projects worldwide. The series interfaces directly with Siemens S7-300, S7-400, S7-1500 PLCs and SIMATIC ET 200 distributed I/O systems, and remains a reference design in IEC 61850 substation automation and ISA-99/IEC 62443 network segmentation architectures.

The Evolution of SCALANCE X200 Architecture

The SCALANCE X200 series was introduced by Siemens in the early 2000s as a successor to the OSM/ESM (Optical/Electrical Switch Module) product line, which was integrated into the SIMATIC NET portfolio. The original X200 variants — including the X208 and X216 — were unmanaged switches offering basic store-and-forward Ethernet switching at 10/100 Mbps. These early units used proprietary Siemens backplane connectors and were designed for integration into SIMATIC S7 rack systems.

With the release of the X200IRT (Isochronous Real-Time) sub-family, Siemens introduced hardware-level PROFINET IRT support, enabling cycle times below 1 ms for motion control and synchronized I/O applications. The X204IRT and X208IRT variants became standard components in SINAMICS drive networks and SINUMERIK CNC installations. Subsequent firmware generations added SNMP v1/v2c management, VLAN (IEEE 802.1Q), and Spanning Tree Protocol (STP/RSTP) to managed variants such as the X212-2 and X224.

SCALANCE X200 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly deployed modules within the SCALANCE X200 product family. Each entry includes a concise functional descriptor for procurement and maintenance reference.

Unmanaged Switches — Standard Port Configurations

• 6GK5208-0BA00-2AB2: SCALANCE X208; 8-port 10/100 Mbps unmanaged industrial Ethernet switch, DIN-rail mount.
• 6GK5216-0BA00-2AB2: SCALANCE X216; 16-port 10/100 Mbps unmanaged switch, extended temperature range.
• 6GK5205-0BA00-2AB2: SCALANCE X205; 5-port 10/100 Mbps unmanaged switch, compact DIN-rail housing.
• 6GK5206-1BB10-2AA3: SCALANCE X206-1; 6-port switch with 1× 100 Mbps multimode fiber (SC) uplink port.
• 6GK5206-1BH00-2AB2: SCALANCE X206-1LD; 6-port switch with 1× 100 Mbps single-mode fiber long-distance uplink.

IRT (Isochronous Real-Time) Variants — PROFINET IRT Support

• 6GK5204-0BA00-2AF2: SCALANCE X204IRT; 4-port PROFINET IRT switch, sub-1 ms cycle time, for SINAMICS/SINUMERIK networks.
• 6GK5208-0BA00-2AF2: SCALANCE X208IRT; 8-port PROFINET IRT switch, hardware timestamping, DIN-rail.
• 6GK5204-2BB10-2AF2: SCALANCE X204IRT PRO; 4-port IRT switch with 2× fiber uplinks, IP65/67 rated enclosure.

Managed Switches — VLAN / SNMP / RSTP

• 6GK5212-2BB00-2AB2: SCALANCE X212-2; 12-port managed switch with 2× fiber uplinks, SNMP, VLAN, RSTP.
• 6GK5212-2BC00-2AB2: SCALANCE X212-2LD; 12-port managed switch with 2× single-mode fiber long-distance uplinks.
• 6GK5224-0BA00-2AC2: SCALANCE X224; 24-port managed 10/100 Mbps switch, full SNMP v1/v2c, VLAN 802.1Q.
• 6GK5224-4GS00-2TC2: SCALANCE X224 EEC; 24-port managed switch, extended environmental class, conformal coating.

Fiber & Ring Redundancy Variants

• 6GK5202-2BB10-2BA3: SCALANCE X202-2IRT; 2-port IRT switch with 2× fiber, designed for ring topology redundancy.
• 6GK5206-2BB10-2AC2: SCALANCE X206-2; 6-port switch with 2× 100 Mbps multimode fiber uplinks, RSTP ring support.
• 6GK5206-2BS00-2AC2: SCALANCE X206-2LD; 6-port switch with 2× single-mode fiber, extended ring redundancy.
• 6GK5208-2RS00-5AC2: SCALANCE X208 PRO; 8-port switch in IP65 enclosure, M12 connectors, for mobile/outdoor installations.

Quality Control for the SCALANCE X200 Range

SCALANCE X200 modules incorporate proprietary Siemens ASIC-based switching fabric and PROFINET stack firmware that requires functional validation beyond standard power-on testing. DriveKNMS applies the following test protocol to all X200 units processed through its facility:

• Port-level traffic validation: Each RJ45 and fiber port is tested at 10 Mbps and 100 Mbps using RFC 2544 throughput, latency, and frame loss benchmarks via dedicated Ethernet test equipment.
• PROFINET IRT timing verification: For IRT-capable variants (X204IRT, X208IRT, X202-2IRT), hardware cycle synchronization is validated against a reference PROFINET controller at 250 µs, 500 µs, and 1 ms cycle times.
• Redundant power input test: Both L1+ and L2+ 24 VDC input rails are tested independently and simultaneously to verify failover behavior and fault signaling relay output.
• SNMP/management interface check: On managed variants, VLAN configuration, RSTP topology convergence, and SNMP trap generation are verified against factory default and a known-good configuration baseline.
• Thermal soak: Units are operated at elevated ambient temperature (55 °C) for a minimum of 2 hours under full port load to screen for latent thermal failures in switching ASICs and power regulation circuits.
• Firmware integrity: Firmware version is read and documented. Units with corrupted or mismatched firmware are reflashed using Siemens STEP 7 / TIA Portal-compatible update procedures prior to dispatch.