Description
Introduction
The WEINZIERL KNX RF USB 340 Stick is a compact USB interface for establishing a bidirectional connection between a PC or laptop and a KNX RF wireless network. It is designed for professional KNX workflows where reliable access to KNX RF telegrams, ETS programming, and software integration are required.
The interface complies with the KNX RF specification and supports the cEMI protocol. It can also be used to program KNX Secure devices with ETS, making it a practical tool for installers, system integrators, and developers working with KNX RF projects. For project sourcing and related KNX components, integrators can browse WEINZIERL products at KNX Bazzar.
Key Features
- Bidirectional connection between a PC or laptop and a KNX RF wireless network.
- Complies with the KNX RF specification.
- Supports cEMI for telegram interface functionality.
- Compatible with ETS 5 or higher.
- Can be used to program KNX Secure devices with ETS.
- Includes a complete KNX Stack with communication objects and BAOS protocol V2.
- Supports software integration on Windows or Linux via the free kDriveExpress SDK.
- Power is supplied via the USB port.
Benefits
For KNX professionals, the KNX RF USB 340 Stick provides a direct and standards-based way to connect engineering software and custom software applications to a KNX RF wireless installation. Its ETS compatibility supports commissioning and programming tasks, while cEMI access is useful for telegram-level interaction.
Beyond use as a telegram interface, the integrated KNX Stack, communication objects, and BAOS protocol V2 allow USB-connected devices to be extended into full KNX devices that can even be programmed by ETS. This makes the interface especially relevant for product developers, test engineers, and OEM-style integration projects.
Technical Specifications
| Product | KNX RF USB 340 Stick |
|---|---|
| Brand | WEINZIERL |
| Interface Function | Bidirectional connection between a PC or laptop and the KNX RF wireless network |
| KNX Compliance | Complies with the specification of KNX RF |
| Supported Protocol | cEMI |
| ETS Compatibility | ETS 5 or higher |
| KNX Secure | Can be used to program KNX Secure devices with ETS |
| Software Integration | Windows or Linux via the free kDriveExpress SDK |
| Additional Stack | Complete KNX Stack with communication objects |
| BAOS Support | BAOS protocol V2 |
| Test Tool | Net’n Node |
| Protocol Description | KNX BAOS Binary |
| Power Supply | Supplied via the USB port |
Applications
- Connecting a PC or laptop to a KNX RF wireless network.
- Programming KNX Secure devices with ETS.
- ETS-based work with KNX RF installations using ETS 5 or higher.
- Telegram interface access via cEMI.
- Software integration on Windows or Linux using kDriveExpress.
- Extending USB-connected devices into full KNX devices using the integrated KNX Stack and BAOS protocol V2.
- Testing with Net’n Node and KNX BAOS Binary protocol workflows.
Installation Notes
The device is powered through the USB port, so no separate power supply information is specified by the manufacturer. Use it with ETS 5 or higher when working in ETS-based KNX RF projects.
For software integration, the manufacturer provides the free kDriveExpress SDK for Windows or Linux. When using BAOS functionality, refer to the KNX BAOS Binary protocol description and the Net’n Node test tool mentioned by the manufacturer.
Developer Resources
The manufacturer mentions the free kDriveExpress SDK for software integration on Windows or Linux. The interface also includes a complete KNX Stack with communication objects and BAOS protocol V2, enabling USB-connected devices to be extended to full KNX devices that can be programmed by ETS.
Additional manufacturer-referenced resources include the Net’n Node test tool for KNX and BAOS binary protocol, plus the KNX BAOS Binary protocol description. Manufacturer information is available at WEINZIERL KNX RF USB Interface Stick 340.
FAQ
What is the KNX RF USB 340 Stick used for?
It is used to establish a bidirectional connection between a PC or laptop and a KNX RF wireless network.
Which ETS version is supported?
The interface is compatible with ETS 5 or higher.
Can it program KNX Secure devices?
Yes. The manufacturer states that this USB interface can be used to program KNX Secure devices with ETS.
Which protocol is supported for telegram access?
The device supports the cEMI protocol for the telegram interface.
Is software integration supported?
Yes. For Windows or Linux software integration, the free kDriveExpress SDK is available.
How is the device powered?
Power is supplied via the USB port.
Conclusion
The WEINZIERL KNX RF USB 340 Stick is a focused professional interface for KNX RF access, ETS work, cEMI telegram handling, and BAOS V2-based integration. Its combination of KNX RF compliance, ETS 5 or higher compatibility, USB power, and developer-oriented resources makes it a strong fit for installers, system integrators, engineers, and software teams working with KNX RF projects.
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