Overview
The Hirschmann RS2-TX is an industrial-grade Ethernet rail switch designed for PLC and automation control environments. This unmanaged switch features eight 100 Mbps Ethernet ports and delivers robust connectivity for mission-critical automation systems. Built with industrial reliability standards, the RS2-TX operates from a 24VDC power supply and mounts directly on standard DIN rail, making it an ideal networking component for decentralized I/O, HMI systems, and plant floor equipment interconnection.
Key Features
- Eight 100 Mbps Ethernet ports with auto-negotiation and auto-crossing capability
- Auto-negotiating and auto-crossing connections (patch or cross-over cables work interchangeably)
- 0°C to +60°C operating temperature range with extended -40 to +70°C available
- Average MTBF exceeding 100 years
- Learns up to 1,000 MAC addresses for flexible network topology
- Compact DIN rail mounting for space-constrained panels
- Made in Germany; Class I Division 2 (Group A, B, C, D) certified
Technical Specifications
- Number of ports: 8 × 100 Mbps Ethernet (10/100 auto-negotiating)
- Input voltage: 24V DC
- Current consumption: 0.3A (nominal)
- Power consumption: 7.0 W maximum
- Operating temperature: 0°C to +60°C standard
- Storage temperature: -20°C to +80°C
- Dimensions: 47 mm (W) × 135 mm (H) × 111 mm (D)
- Weight: 230 g
- Protection: IP 20
- Certifications: CE, UL; Class I Division 2 Groups A/B/C/D
- Standards compliance: IEC 61131-2, FCC Class A
- Buffer time: 10 ms at 24 VDC minimum
Typical Applications
The RS2-TX rail switch is widely used in:
- PLC and programmable automation controller (PAC) networks
- Distributed I/O modules and remote terminal units (RTUs)
- HMI and operator interface panel networking
- Servo drive and motion control system connectivity
- Industrial sensor and actuator communication networks
- Food, beverage, pharmaceutical, and manufacturing automation
Compatibility & Replacements
Compatible With
- Allen-Bradley PLC systems (CompactLogix, ControlLogix, MicroLogix)
- Siemens automation systems (SIMATIC S7-1200, S7-1500)
- Mitsubishi MELSEC controllers
- Omron industrial PLCs
- Schneider Electric M241, M251 controllers
- Standard industrial Ethernet networks (10/100 Mbps TCP/IP)
- DeviceNet and PROFINET gateways
Replaces / Drop-In Replacement For
The RS2-TX is a standalone Hirschmann product line. For specific model replacements, verify compatibility with your system integrator before ordering. Earlier or compatible unmanaged switches in similar applications should be confirmed before substitution.
Works With
- Studio 5000 (Allen-Bradley)
- TIA Portal (Siemens)
- MELSOFT (Mitsubishi)
- EtherNet/IP protocol
- Standard Ethernet (TCP/IP)
- Industrial automation gateway software and OPC servers














