Modbus TCP / BACnet IP to WAN MQTT Gateway




The GT200-MQ-BMT gateway has the capabilities to connect various PLCs (Siemens, Schneider, etc.), fieldbus instruments and BACnet IP systems to the Cloud Servers over WAN by MQTT protocol, such as Microsoft Azure, Amazon AWS, and customized Servers.

 Technical Specification:

  • Supports connecting Modbus TCP clients/servers and BACnet IP clients to the MQTT servers.
  • Supports the protocol conversion between Modbus TCP and BACnet/IP.
  • Supports MQTT connection through wired network.
  • Supports TLS V1.2, ensuring a secure and safe communication.
  • Supports MQTT version 3.1.1. Uses JSON format to upload data to the cloud platform, users can customize the JSON content format.
  • Supports at most 3000 tags.
  • BACnet IP side:
    • BACnet IP can realize some services such as: Who Is, I Am, Who Has, I Have, Read Property, Write Property, Read Property Multiple.
    • Supports at most 500 BACnet BI, 300 BO, 300 BV, 500 AI, 300 AO, 300 AV, 500 MSI, 100 MSO, 100 MSV.
  • Modbus TCP side:
    • Supports 36 Modbus TCP client/server connections.
    • The maximum input and output bytes are 2048 bytes.
    • Supports function code 01H, 02H, 03H, 04H, 05H, 06H, 0FH and 10H.
  • Supports monitoring I/O data.
  • Power supply: 24VDC ( 9V-30V).
  • Operating Temp: -40°F to 158°F (-40 °C to 70 °C), Rel. Humidity: 5% -95%, non-condensing
  • Dimension (W* H* D): 0.9 in*3.9 in*4.5 in (22.5mm*99mm*114.5mm).
  • Installation: 35mm DIN RAIL.
  • Protection Level: IP20.
File Type Time Download

Use Case 1: Modbus TCP Clients/Servers and BACnet IP Client to MQTT



Use Case 2: Modbus TCP Clients/Servers to MQTT



Use Case 3: BACnet IP Client to MQTT


SST Connect APP is an essential component of the Industrial Internet of Things (IIoT) software system developed by SST Automation. It is designed to remotely manage different industrial devices, machines, and systems in order to improve efficiency, reduce downtime, and optimize production processes, etc.

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