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Modbus to M-Bus Gateways | TCP/RTU to M-Bus | Ethernet, Wi-Fi, RS485

( number of products: 2 )

Your control system speaks Modbus, but your meters speak M-Bus? We have the solution.

Smoothly integrate your heat, water, or energy meters with any Modbus TCP or Modbus RTU master system. Our Modbus to M-Bus gateways are intelligent translators that read data from up to 10 M-Bus devices and serve it as simple Modbus registers.

With optional Wi-Fi and powerful 3kV galvanic isolation, you get installation flexibility and maximum safety for your PLC or SCADA system.

Seamless Integration of Two Worlds

The M-Bus protocol is the standard for utility metering, while Modbus reigns in industrial automation. Our gateways are the reliable bridge connecting these two worlds. Acting as an M-Bus Master, the gateway actively polls connected meters and maps the collected data to Modbus registers. This allows your PLC or SCADA system to see complex M-Bus readings as simple, easy-to-integrate Modbus variables—without writing complex scripts or using additional converters.

Key Advantages That Give You an Edge:

  • Freedom of Wireless Connectivity (Wi-Fi): The G30 model, with its built-in 802.11b/g/n Wi-Fi module, allows you to install the gateway exactly where it's needed, without running network cables. It's the perfect solution for retrofitting existing buildings and for distributed metering points.

  • Uncompromising System Protection: Class-leading 3000 VDC galvanic isolation fully separates the serial ports (RS232/RS485) from the rest of the system. This protects your valuable master equipment from power surges and interference originating from the bus.

  • Industrial-Grade Reliability: We guarantee stable operation in a wide temperature range (from -40°C to +75°C), while dedicated EMC circuits and ESD protection ensure resilience in harsh industrial environments.

  • Universal Serial Port: A single physical port can operate as either RS232 or RS485, giving you complete flexibility when connecting to different types of Modbus RTU master controllers.

  • Simple Installation and Diagnostics: DIN-rail mounting, a built-in 120 Ω termination for RS485, and clear LED indicators for power and communication (Tx/Rx) make system commissioning fast and intuitive.

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