Description
Application Scenarios
Picture a modern automotive body shop where a new welding cell must be integrated into an existing Profinet network — fast. The control cabinet is already crowded, and there is no room for a bulky managed switch with complex configuration overhead. The engineering team needs sixteen devices online immediately: robot controllers, safety PLCs, vision cameras, I/O blocks, and a local HMI.
By mounting the 2832849 onto the standard 35 mm DIN rail, the integrator connects all sixteen devices through twisted-pair RJ45 cables. Auto-negotiation instantly detects each device’s speed (10 or 100 Mbps), while auto-crossing eliminates the need to distinguish between straight-through and crossover cables — a detail that has historically caused hours of troubleshooting on crowded job sites. The dual power inputs (US1 and US2) are wired to separate 24 V DC supplies; if one fails, the network never blinks. Within thirty minutes, the entire cell is communicating, with zero configuration time and zero network downtime.
This is the everyday value of the 2832849: it removes complexity, eliminates configuration risk, and lets automation engineers focus on the application — not the infrastructure.
Parameter
| Main Parameters | Value/Description |
|---|---|
| Product Model | 2832849 (FL SWITCH SF 16TX) |
| Manufacturer | Phoenix Contact |
| Product Category | Unmanaged Industrial Ethernet Switch |
| Number of Ports | 16 × TP-RJ45 (10/100 Mbps auto-sensing) |
| Transmission Speed | 10/100 MBit/s per port (Auto-Negotiation) |
| Switching Method | Store-and-Forward (IEEE 802.3 compliant) |
| Switching Capacity | 2.0 Gbps (non-blocking backplane) |
| Auto-Crossing | Yes – automatic MDI/MDI-X detection per port |
| Power Supply | 24 V DC redundant (US1 + US2) |
| Voltage Range | 18 V DC … 32 V DC |
| Typical Current Consumption | 146 mA @ 24 V DC |
| Max. Power Dissipation | 7.2 W |
| Signal Contact | Potential-free relay, 24 V DC / 100 mA |
| Alarm Relay Function | Voltage state alarm processing (power supply monitoring) |
| Diagnostic LEDs | US1, US2 (power supply), Link/Activity per port, 100 Mbps indicator |
| Housing Material | Aluminum (corrosion-resistant) |
| Mounting | DIN Rail (35 mm, EN 60715) |
| Dimensions (W × H × D) | 205 mm × 94.3 mm × 30 mm |
| Weight | 586.9 g |
| Protection Rating | IP20 |
| Operating Temperature | -10 °C … +60 °C (some datasheets cite 0 °C … +55 °C) |
| Storage / Transport Temperature | -20 °C … +70 °C |
| Permissible Humidity | 5 % … 95 % (non-condensing) |
| Vibration Resistance | 5 g, 150 Hz (IEC 60068-2-6) |
| Altitude (operation) | up to 2000 m |
| MTTF | 50.2 years (MIL-HDBK-217F, 25 °C, 100 % duty cycle) |
| Standards Compliance | IEEE 802.3, IEC 61140 (Protection Class III), EN 61000-6-2, EN 61000-6-4, CE |
| Cable Locking | Yes – secure RJ45 locking tabs |
| EMC Classification | Class A (industrial environment) |
