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Robust network component for PROFIBUS DP installations

Does your PROFIBUS DP installation require several long branches between various devices and backbone structures with star/tree segments?

The ProfiHub A5 is a robust network component for PROFIBUS DP installations and enables it in IP 65 applications. With this component, you ensure that your complex network in a potentially dusty or moist environment operates well with minimum downtime.

Better control during maintenance and upgrading of the network

The ProfiHub A5 is the ideal economic solution for creating reliable start networks in RS 485 DP networks. PROFIBUS DP is a high-speed communication bus that has to comply with strict rules concerning spur lines and star networks.

The ProfiHub A5 has the functionality of 5 galvanic isolated transparent repeaters. This allows network structures with extended spur lines that individually can handle a maximum of 31 devices and to which the same rules apply as the main channel. The ProfiHub A5 has the same functionality as the ProfiHub B5.

Product Information

  • 5 Isolated repeater channels (6 segments)
  • Transparent for all PROFIBUS DP protocols
  • Suitable for PROFIsafe and MPI networks
  • 31 devices per channel
  • Connection speed: 9.6 Kbps – 12 Mbps
  • Max. 1200 m segment length (depends on baudrate)
  • Integrated termination facilities
  • Configurable grounding system
  • Glands or optional M12 connectors (16012)
  • IP 65 classification


  • Ground Rail (order code: 16011)
  • M12 flange connectors factory installed (order code: 16012)
  • Hot slave insertion/removal during operation
  • Short circuit protection on each channel
  • Compact and robust construction
  • On-board DB9 female connector for maintenance activities
  • Suitable for all DP cables
  • Conveniently arranged networks
  • Extendable installations
  • Cost-saving

General specifications

  • Dimensions (LxWxH): 184 x 213 x 95 mm
  • Extra: 230/110 VAC option
  • Connectors: screw terminals

Ambient conditions

  • Operating temperature: -40 … +75 °C

Power supply specifications

  • Power supply: 24 VDC


  • This product is UL-listed
  • Dynamic spur lines to actuators, flow meters, and pH analysers
  • Star, tree, and bus structured networks
  • Removable drives and motors
  • Outdoor applications with device and cable stress
  • Roof-mounted devices in tank farms
  • Dirty and Humid environments
  • A barrier for non-galvanic isolated equipment


Book your product

We are fully committed to providing our customers with the very best products and customer service. We believe in going the extra mile to ensure that each customer is satisfied with our products and solutions. We have the experience and the reputation in the field to deliver the products customers need to expedite their projects and assure quality every step of the way.


Main:  +27 (11) 548 9960
Sales: +27 (11) 548 9970

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