Converter OPC UA Server / Modbus Master RS485 - HD67B27-5-B2
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- Converter OPC UA Server / Modbus Master RS485 - HD67B27-5-B2
Converter OPC UA Server / Modbus Master RS485 - HD67B27-5-B2
The ADFweb HD67B27-5-B2 makes values from serial Modbus devices available over OPC UA. It controls reads and writes as a Modbus Master over RS485 and provides data to OPC UA clients as a Server. More
Code: HD67B27-5-B2
The ADFweb HD67B27-5-B2 makes values from serial Modbus devices available over OPC UA. It controls reads and writes as a Modbus Master over RS485 and provides data to OPC UA clients as a Server. More
Code: HD67B27-5-B2
ADFweb HD67B27-5-B2
OPC UA Server / Modbus Master RS485
The ADFweb HD67B27-5-B2 makes values from serial Modbus devices available over OPC UA. It controls reads and writes as a Modbus Master over RS485 and provides data to OPC UA clients as a Server.
We will check your selection and prepare a quotation
Send us the device models, required connection and quantity.
Converter applications
Use it to connect serial Modbus Slave devices to an OPC UA Client application. Up to 1,500 bytes are available for reading and 1,500 bytes for writing; mapping must match the device registers and data types.
Technical specifications HD67B27-5-B2
| Order code | HD67B27-5-B2 |
|---|---|
| Protocol connection | OPC UA Server / Modbus Master RS485 |
| Converter roles | OPC UA Server; serial Modbus Master over RS485 |
| Interfaces and ports | 1× RS485; 1× Ethernet RJ45 |
| Serial data rate | up to 115,200 bit/s |
| Data capacity | 1500 bytes in each direction |
| Power supply | Confirm against the label and hardware version before ordering |
| Power consumption at 24 V DC | 4 W |
| Operating temperature | -40 °C to +85 °C |
| Mounting | 35 mm DIN rail |
| Dimensions of the version shown (D × W × H) | 60 × 35 × 95 mm |
| Device weight | approximately 200 g |
| Configuration software | SW67B27 |
We will confirm the supply range for this model against the specific hardware version. Always check the device label before connecting the power supply.
Communication and configuration
In SW67B27, configure the OPC UA Server, RS485 parameters and Modbus read/write requests. Define the OPC UA variables and map them to the required serial values.
The -5-B2 suffix identifies the RS485 version. The connected device must operate as a Modbus Slave and the application as an OPC UA Client. Check OPC UA security requirements against the specific firmware and client.
Supply and accessories
Please provide the complete order code. If you need a power supply, connection cables or help with configuration, include them in your enquiry. We will confirm the scope of supply and required accessories for your installation in the quotation.
Documentation and software
Diagrams and hardware version

The images help identify the hardware version. When replacing an older unit, compare its label, connectors and dimensions; we will confirm the version to be supplied in the quotation.
Frequently asked questions
Is knowing the two protocols enough?
The device roles, physical interfaces and data to be transferred must also be checked. The -5-B2 suffix identifies the RS485 version. The connected device must operate as a Modbus Slave and the application as an OPC UA Client. Check OPC UA security requirements against the specific firmware and client.
How is this converter configured?
In SW67B27, configure the OPC UA Server, RS485 parameters and Modbus read/write requests. Define the OPC UA variables and map them to the required serial values.
What information should I send to check the selection?
Send the exact device models at both ends, the protocols and communication roles, the number of devices and the required values. For a PLC, include the firmware and method of accessing its data.
FOXON support with selection and ordering
Selection based on your devices
We will review the specific connection, communication roles and required data.
Availability check
Before you place an order, we will confirm current availability and the possible delivery date.
Documentation for the exact order code
We select the documentation and configuration tool using the complete order code.
Accessories for your installation
We will include the requested accessories in the quotation to suit the connection arrangement.
Choosing the correct version
Two devices with the same protocols can have different functions. Check the gateway role on each side, the connectors and the complete order code.
The -5-B2 suffix identifies the RS485 version. The connected device must operate as a Modbus Slave and the application as an OPC UA Client. Check OPC UA security requirements against the specific firmware and client.
Converter enquiry HD67B27-5-B2
Provide the order code, quantity and the devices you need to connect. We will check the suitable version and prepare a quotation.
Request the converterTechnical specifications HD67B27-5-B2
| Order code | HD67B27-5-B2 |
|---|---|
| Protocol connection | OPC UA Server / Modbus Master RS485 |
| Converter roles | OPC UA Server; serial Modbus Master over RS485 |
| Interfaces and ports | 1× RS485; 1× Ethernet RJ45 |
| Serial data rate | up to 115,200 bit/s |
| Data capacity | 1500 bytes in each direction |
| Power supply | Confirm against the label and hardware version before ordering |
| Power consumption at 24 V DC | 4 W |
| Operating temperature | -40 °C to +85 °C |
| Mounting | 35 mm DIN rail |
| Dimensions of the version shown (D × W × H) | 60 × 35 × 95 mm |
| Device weight | approximately 200 g |
| Configuration software | SW67B27 |
We will confirm the supply range for this model against the specific hardware version. Always check the device label before connecting the power supply.