Bachmann RS204 – Industrial Ethernet Switch for M1 PLC Systems | 4-Port Managed Switch

The Bachmann RS204 is a compact, managed industrial Ethernet switch featuring four 10/100 Mbps auto-sensing RJ45 ports, designed for integration into Bachmann M1 automation systems or standalone industrial networks. Engineered for harsh environments, it supports redundant network topologies such as MRP (Media Redundancy Protocol, IEC 62439-2) and ring, star, or line configurations, ensuring high availability and minimal downtime during link failures.

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Description


🔧Application Scenarios

🌬️Wind Turbine Control Network

In a modern wind turbine,the Bachmann M1 controller manages pitch,yaw,and condition monitoring systems.Multiple sensors and actuators are distributed across the nacelle and tower.The RS204 switch is installed at the base of the tower,forming a redundant ring network with switches in the nacelle and transformer station.If a fiber optic cable is damaged during maintenance,the MRP protocol detects the break and reconfigures the network within<10 milliseconds,preventing loss of communication between the SCADA system and turbine controller.

🚆Rail Vehicle Data Backbone

Inside a metro train control cabinet,the RS204 connects the onboard PLC,door control units,HVAC system,and CCTV cameras into a single Ethernet network.Its wide operating temperature and vibration resistance ensure reliable operation despite frequent acceleration,braking,and exposure to tunnel dust.The VLAN feature segregates safety-critical control traffic from passenger infotainment data,enhancing network security and performance.

💡Technical Principles&Innovative Values

Innovation Explanation

Real-Time Redundancy(MRP)Enables deterministic failover in ring topologies—critical for continuous process control.

Wide Temperature Operation Functions reliably in arctic climates or desert environments without active cooling.

Compact DIN-Rail Design Saves space in crowded control panels;easy integration with other Bachmann modules.

Conformal Coating Protects internal electronics from moisture,salt spray,and condensation—ideal for offshore or marine applications.

Integrated into M1 Ecosystem Can be monitored and configured via Bachmann’s M1 Runtime and M1 Service Tool,enabling centralized diagnostics.

Low Power Consumption Suitable for battery-backed or solar-powered remote installations.

🔄Related Product Combination Solutions

Product Purpose

Bachmann M1 Controller(e.g.,M1Cxxx)Central PLC that uses RS204 for network expansion

Bachmann EP2xx Series I/O Modules Remote I/O nodes connected via Ethernet through RS204

Bachmann FMS20x Fiber Switches For long-distance backbone links using optical fiber

Bachmann PSxxxx Power Supplies Compatible 24 VDC power modules for DIN-rail systems

Bachmann M1 Service Tool Software for configuring and diagnosing RS204 and M1 devices

RS208/RS216 Higher-port-count variants(8 or 16 ports)for larger networks

🛠️Installation&Configuration Tips

Mounting:Snap onto TS35 DIN rail;secure with end brackets.

Wiring:Use shielded Cat5e/Cat6 cables and ground the shield at one end to avoid ground loops.

Network Design:Use ring topology with MRP for maximum uptime.

Firmware Updates:Available via web interface or M1 Service Tool.

Diagnostics:Monitor port statistics,error counters,and ring status via web GUI or SNMP traps.

📦Availability&Support Notes

The RS204 is currently available and actively supported by Bachmann.

It is often ordered as part of a complete M1 automation solution but can also be used independently.

Replacement for older models like RS104(unmanaged version).

Firmware updates enhance security and add features(e.g.,improved SNMP support).

Contact Us WhatsApp / Wechat:+86 18150087953 / +86 18005022138
Phone:+86 18150087953 / +86 18005022138
Email:sales@cxplcmro.com