HF RFID Bus Mode

HF RFID Bus Mode

Turck’s HF Bus Mode Enables up to 128 Read/Write Devices to be Connected on Four RFID Ports

Turck's TBEN-L-RFID interface combines easy handling with the rapid integration of the compact TBEN-S-RFID and the robustness of the larger TBEN-L design. Its HF bus mode can connect up to 32 compatible HF read/write devices in series on each port. This reduces the wiring effort and costs required in applications involving a large number of read and/or read positions. Several predefined commands and operating modes for the most common application scenarios reduce the programming required in the PLC. Filters and different data export options also often make any middleware unnecessary. The mixed operation of HF and UHF read/write heads is also possible.

Bernd Wieseler

Bernd Wieseler
Director Product Management RFID Systems
Mülheim an der Ruhr, Germany

Key Facts

  • Up to 32 bus-compatible read/write devices per RFID channel can be connected to the TBEN module
  • Depending on the number of read/write heads connected additional power supply may be required
  • By default, a command can only be processed by one read/write device, making HF bus mode suitable for static applications and slow dynamic applications
  • In Continuous HF bus mode, a command is performed simultaneously at all read/write devices in a bus topology
  • HF bus mode does not require any point-to-point connection
  • Available for RFID interfaces TBEN-L, TBEN-LL, TBEN-S and TBEC-LL


  • HF bus mode is suitable for all applications with a high amount of RFID read/write Points. Without HF bus mode these applications are usually not only comparatively expensive in hardware due to the interface modules, but also complex to install and maintain.

Turck is one of the leading manufacturers in industrial automation

With more than 4,500 employees in over 30 subsidiaries as well as sales partners in further 60 countries, the family-owned company is a one-stop shop for RFID Systems.

  • Holistic, modular RFID systems for production and logistics processes
  • Variety of HF and UHF read/write heads and data carriers for standard and special uses, such as carriers for high temperature conditions up to 210 degrees Celsius, for engine production or use in autoclaves
  • Parallel operation of proven HF and far-ranging UHF technology

Product Category


Application Fields

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BL ident Accessories
RFID Track & Trace in Real Time
HF RFID Bus Mode
UHF RFID Readers
Handheld UHF/HF/Barcode
RFID Interfaces HF/UHF
HF Read/Write Devices
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