HD67712-IP-2-A1 BACnet IP master to RS-232 Modbus slave converter for automation

Industrial BACnet IP master to RS-232 Modbus slave converter, housing type A (slim), DIN rail mount.

HD67712 is a BACnet Master / Modbus Slave Converter and it allows you to connect some BACnet slaves with a Modbus Master (for example a PLC, HMI). Converter is easy to configure thanks to free SW67712 software. The device operates as a BACnet IP master on the Ethernet side and as a RS-232 Modbus slave on the serial side, providing seamless integration between supervisory systems and field devices. This capability is particularly valuable in building automation and industrial control, where BACnet IP controllers must exchange data with Modbus-based equipment. The slim type A DIN rail housing enables quick installation even in compact control cabinets, making it suitable for both retrofit projects and new deployments.

Configuration:

Thanks to the SW67712 software on your PC you can:

• Define the parameters of BACnet line
• Define the parameters of Modbus line
• Define the BACnet data that the converter reads/writes
• Update the device

The SW67712 software simplifies configuration by allowing straightforward mapping of RS-232 Modbus slave registers into BACnet IP master objects. This ensures that data collected from Modbus devices can be managed and controlled directly by BACnet supervisory systems. The tool also offers firmware upgrade functionality and live monitoring of communication, making diagnostics and commissioning faster and more reliable.

Characteristics:

• Up to 512 BACnet objects in reading and 512 objects in writing
• Triple isolation between Serial - Power Supply, Serial - Ethernet, Ethernet - Power Supply
• Bi-directional information exchange between Modbus bus and BACnet bus
• Mountable on 35mm DIN rail

The device supports a total of 1024 BACnet objects (512 read and 512 write), which is sufficient for medium and large-scale automation systems. Its triple galvanic isolation protects the integrity of communication by preventing interference between Modbus, BACnet, and power supply lines. Bi-directional data exchange ensures that BACnet IP master controllers can both read values from Modbus devices and write control commands to them, enabling complete interoperability. This makes the HD67712-IP-2-A1 an excellent choice for HVAC systems, lighting control, and energy monitoring applications.

Specifications:

• Ports: 2x Ethernet; 1x RS-232
• Serial protocol: RS-232 Modbus slave
• BACnet protocol: BACnet IP Master
• Data Rates Serials: Up to 115200 bps
• Data Rates BACnet: 10/100 Base-T Autosensing
• Serials connector: 3way 5mm removable screw terminal
• BACnet connector: RJ45
• Power supply: 8 ~ 24V AC; 12 ~ 35V DC
• Power supply connector: 2way 5mm terminal block
• Operating temperature: -40°C to +85°C (-40°F to +185°F)
• Dimensions: 120 mm x 23 mm x 107 mm (DxWxH)
• Weight: 200g approx
• Mechanical fixing: 35mm DIN Rail mount
• Software: SW67712
• ORDER CODE: HD67712-IP-2-A1

Thanks to its dual Ethernet ports, the device integrates smoothly into BACnet IP networks, while the RS-232 Modbus slave port ensures compatibility with existing Modbus equipment. The wide operating temperature range of -40°C to +85°C allows deployment in demanding industrial and outdoor conditions. Its lightweight design (approx. 200 g) combined with rugged construction ensures long-term durability and easy installation in any automation cabinet.

Configurator – Software SW67712 FREE DOWNLOAD