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The PROFIBUS DP B1 Repeater tackles the technical limitations of existing PROFIBUS repeaters. It has the following unique features:

  • Guarantees conveniently arranged networks
  • Compact design
  • Cost saving
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About the compact PROFIBUS repeater

The advanced 12 Mbps core of the B1 is comparable to the ProfiHub: it can be cascaded without limitations and has increased RS 485 strength. Furthermore, every channel has on-board switchable termination and is able to drive 31 devices. The removable screw terminals of the PROFIBUS interface are pinned-out in a way that reversed mounting of the repeater does not impact existing wiring. A DB9 connector is provided to connect diagnostic tools. The redundant power supply increases reliability of the application.

This compact and easy to use network component complies with the requirements of the demanding modern industry to increase the PROFIBUS cable length and amount of connected devices.

More benefits



This product is UL-listed. Read more about UL-certification.

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Technical specifications


  • Dimensions (LxWxH): 106 x 55 x 37 mm (excluding plug-able connectors)
  • Weight: 126 grams (excluding plug-able connectors)
  • 2 galvanicly isolated channels


  • Operating voltage: 24 VDC
  • Absolute max. rated voltage: 19 ... 28 VDC
  • Nominal power use: 1 W
  • Input current(24VDC): 43 mA


  • Transparent for all PROFIBUS DP protocols
  • Suitable for PROFIsafe and MPI
  • 9.6 kbps ... 12 Mbps (automatic detection)
  • No address required


  • DB9 monitoring port
UL listed CE FCC ePLAN

Want more information? Ask us.

Jonathan Machin ENG

Jonathan Machin

Sales Director, Anybus Diagnostics
T: +31(0) 682671130


All available downloads for the B1 PROFIBUS Repeater can be found down here.

User Manual
DWG Drawing



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    20 June 2023, 18 September 2023, 06 November 2023

    The PROFIBUS Troubleshooting and Maintenance training course is fully concentrated on those who install and maintain PROFIBUS installations.

  • Certified PROFIBUS Installer

    20 June 2023, 18 September 2023, 06 November 2023

    The Certified PROFIBUS Installer course is essential for electrical engineers and technicians requiring the necessary installation and testing skills for their PROFIBUS DP/PA projects.

  • Certified PROFIBUS Engineer

    18 September 2023, 06 November 2023

    'Distinguish yourself from the others and show that you are the expert.....Become a Certified PROFIBUS Engineer.'

Training overview