N 148/12 KNX USB Interface for Bus Parameterization Visualization Logging Diagnosis 5WG1148-1AB12
This DIN-rail KNX USB interface provides isolated physical access to the KNX bus line through a built-in USB Type-B socket, enabling a connected PC to perform addressing, parameterization, visualization, logging, and diagnosis of all bus devices throughout the installation. Compatible with USB 2.0 and 3.0 hosts, it exchanges data up to 12 Mbit/s handling telegrams to 64 bytes. Power comes entirely from KNX bus — no external supply needed.
Technical Specifications
| Function |
Isolated USB access to KNX TP bus for PC commissioning and service tasks |
| USB Compatibility |
USB 2.0 and 3.0 hosts supported |
| Socket |
Built-in USB Type-B connector (standard device-side) |
| Tasks |
Addressing, parameterization, visualization, logging, diagnosis of all bus devices |
| Bus Access |
Full visibility across entire installation; all devices reachable |
| Telegram Support |
Up to 64 bytes length (extended frame support) |
| Data Rate |
USB 2.0 speed; max 12 Mbit/s PC to interface |
| Power |
Fully powered by KNX bus via integrated coupling unit; no external supply needed |
| Coupling |
Integrated bus coupling unit; KNX TP connection via bus terminal |
| Form Factor |
Modular device for TH35 DIN EN 60715 mounting rail |
| Dimensions |
18 x 90 x 55 mm (WxHxD); occupies 1 module width (18 mm) |
| Data Sheet |
A6V11535346; Warranty 24 Months |
Applications
Permanent or semi-permanent KNX bus access in distribution panels:
- Electrical closets hosting the main line
- Sub-boards for floors/zones
- Equipment rooms where technicians frequently connect laptops for ETS programming, visualization config, traffic analysis, or diagnostics without disturbing bus connections