INMBSKNX2500000 – Industrial KNX to Modbus RTU/TCP Gateway with Support for 250 Data Points

INMBSKNX2500000 – Industrial KNX to Modbus RTU/TCP Gateway with Support for 250 Data Points

The INMBSKNX2500000 gateway enables reliable and bidirectional integration between KNX TP installations and Modbus RTU or TCP networks. Designed for small and medium-sized building automation projects, it allows control systems using Modbus to read and write values directly from KNX devices and vice versa—making them act as if part of the same system.

Supporting up to 250 data points and operating simultaneously with both Modbus RTU and Modbus TCP protocols, the device allows connection to a variety of SCADA systems, BMS platforms, and PLCs. Thanks to support for up to 5 concurrent Modbus TCP clients, it ensures smooth performance in multi-client environments.

The unit is configured using the Intesis MAPS tool, which simplifies integration by offering ready-made templates, graphical mapping, and flexible import/export options. The device also offers robust communication stability through its opto-isolated KNX TP1 port and reliable serial and Ethernet interfaces.

Key Features:

• Bidirectional communication between KNX and Modbus RTU/TCP
• Supports up to 250 data points
• Modbus RTU (RS232/RS485) + Modbus TCP (Ethernet)
• Supports 5 simultaneous Modbus TCP clients
• KNX TP1 interface – opto-isolated, EIB compliant
• Easy setup and updates via Intesis MAPS software
• Certified with UL and CE; RoHS compliant

Technical Specifications:

• Modbus RTU ports: 1x RS232 (DB9 male), 1x RS485 (2-pin screw terminal)
• Modbus TCP port: 1x Ethernet 10BT RJ45
• KNX port: 1x TP1 opto-isolated, 2-pin screw terminal
• Console port: RS232 DB9 female (for configuration & firmware updates)
• Power supply: 9–30VDC ±10% or 24VAC ±10%, 1.4W / 1.4VA
• Construction: Plastic PC (UL 94 V-0)
• Dimensions: 107 × 105 × 58 mm
• Color: Light grey (RAL 7035)
• Protection rating: IP20 (IEC60529)
• Mounting: Wall or DIN rail EN60715 TH35
• LED indicators: Power, KNX Tx/Rx, Modbus RTU Tx/Rx, Ethernet Link/Act
• Operating temperature: 0°C to 70°C
• Humidity: 5%–90% (non-condensing)
• Warranty: 36 months
• Certifications: CE, UL
• Previous device code: IBOX-MBS-KNX

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