INBACMBM1K20000 – Modbus RTU or TCP to BACnet Gateway 1200 Points

INBACMBM1K20000 – Modbus RTU or TCP to BACnet Gateway 1200 Points. 

The INBACMBM1K20000 gateway by Intesis (previously IBOX-BAC-MBM) is a powerful and compact solution that enables seamless integration of Modbus RTU and Modbus TCP slave devices with BACnet-based building automation systems. Supporting both BACnet/IP and BACnet MS/TP, the device maps up to 1200 data points, ensuring high-capacity interoperability for large-scale automation projects.

Certified by BTL and compliant with the B-AAC BACnet profile, the INBACMBM1K20000 guarantees compatibility and stability across professional BMS platforms. It supports simultaneous communication with Modbus TCP and Modbus RTU devices, making it ideal for complex installations involving HVAC controllers, energy meters, PLCs, and sensors from different vendors.

The gateway includes dual serial interfaces (EIA-485 and EIA-232), and one Ethernet 10/100 Mbps port. DIP-switches on both ports allow quick and intuitive configuration of termination resistance (120 Ω) and line polarization, while robust isolation (1500 VDC) ensures signal integrity and protection against electrical noise.

Installation is simplified through a wide power supply range (9–36 VDC or 24 VAC), DIN rail and wall mounting options, and compact housing with UL 94 V-0 fire rating. LED indicators provide real-time diagnostics for Ethernet status, Modbus TX/RX, power, and error signals, allowing fast commissioning and troubleshooting.

Key Specifications:

• Integrates up to 1200 Modbus RTU/TCP slave data points into BACnet/IP or MS/TP networks
• BTL-certified with B-AAC BACnet profile support
• 2x Serial ports:
  • Port A: EIA-485 2-wire, 2-pin terminal + GND
  • Port B: EIA-485 3-wire + EIA-232 SUB-D9
• 1x Ethernet port: 10/100 Mbps RJ45
• DIP-switches: For 120 Ω termination and polarization
• LEDs: Power, error, link/speed, TX/RX (Port A/B), buttons
• Power input: 9–36 VDC or 24 VAC ±10%
• Enclosure: Plastic (UL 94 V-0), IP20, 90×88×56 mm
• Mounting: DIN rail (EN60715 TH35) or wall
• Operating range: 0°C to +60°C, 5%–95% RH non-condensing
• Warranty: 36 months

With its advanced feature set, the INBACMBM1K20000 is ideal for industrial monitoring, smart building automation, and energy management systems where large numbers of Modbus datapoints must be exposed to a BACnet-based supervisor. Its robust construction and flexible configuration make it a top choice for system integrators and automation engineers.

Have questions or need assistance with configuration? Contact our experts here.