SIEMENS SCALANCE XF204-2BA DNA – 6GK5204-2AA00-2YF2
Industrial Ethernet managed Y-switch with Dual Network Access (DNA) functionality, certified to IEC 62443-4-2. Features 2x BusAdapter interfaces (up to 4 ports), redundant 24 V DC power input, SET pushbutton for error contact, conformal coating, extended temperature operation (–40 °C to +70 °C), and PROFINET IO support. Delivered without BusAdapters. DVD manual included.
Overview
The SCALANCE XF204-2BA DNA enables connection between high-availability PROFINET R1 systems and redundant field-level rings with S2 devices. Ideal for SIMATIC S7-400H and S7-1500H environments in both discrete and process automation.
- Supports redundant communication with DNA/Y-switch functionality
- 2 modular BusAdapter slots (2 ports each) for flexible port configurations
- Redundancy Manager integrated (MRP support on device side)
- End-to-end network diagnostics via PROFINET, SNMP, web interface, and SINEC NMS
- Email notifications for remote diagnostics
- NAMUR NE 21-compliant, with firmware support for S2 and CiR/H-CiR redundancy
- Fully integrable with SIMATIC PCS 7 and PCS neo
Compatible BusAdapters
- BA 2×RJ45 / 2×FC / 2×SCRJ
- BA SCRJ/RJ45, SCRJ/FC
- BA 2×LC, LC/RJ45, LC/FC
- BA 2×RJ45VD HA and other variants
Product Version
SCALANCE XF204-2BA DNA – with 2x BusAdapter interfaces; unit supplied without BusAdapters
Design
- Slim SIMATIC ET 200SP form factor (100 mm width)
- DIN rail mounting for space-saving control cabinet integration
- IP20 rugged enclosure with conformal coating
- Supports operation up to 4000 m altitude
- 2x 2-pin terminal blocks for dual 24 V power feed
- LED row for power, link, traffic, signal diagnostics
- Floating contact terminal and SET button for local signal configuration
Port Types Available
- 2 x BusAdapter slots for:
- RJ45 10/100 Mbps (autosensing/crossover)
- SC RJ, LC, FC optical ports (based on installed adapter)
Product code: 6GK5204-2AA00-2YF2













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