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Fiber optic to multi RS 485 Segments coupler

The ProfiHub B4FO2+ is a cost-effective solution to link PROFIBUS fiber optic to multiple RS 485 segments and vice versa. It enables reliable applications where long cable distances and isolation between devices and segments are required. The massed junction of copper segments reduce expensive fiber optic couplers and create an object-oriented overview for the end-user. 

The mechanical design consists of a compact, flat, and stable metal housing that can be mounted on a DIN-rail. It contains an alarm relay, redundant power supply, diagnostic LEDs and it supports the redundancy feature.

ProfiHub B4FO2+ – Fiber Optic to Multi-Segment Coupler

The B4FO2+ supports multiple fiber optic topologies; point-to-point, bus, and star. The protocol transparency without configuration, allows direct integration in existing PROFIBUS networks to benefit from the advantages of optical data infrastructures offer.

The ProfiHub B4FO2+ is equipped with 4 galvanic isolated RS 485 channels utilising a maximum of 31 devices per channel.

Product Information

PROFIBUS

  • Transparent for all PROFIBUS DP protocols
  • Suitable for PROFIsafe and MPI
  • High integrity telegram checking

RS 485

  • 4 Segments
  • 9.6 Kbps .. 12 Mbps (auto-detection)
  • 1200 m segment length (depends on baudrate)
  • 31 devices per channel
  • Bus redundancy option
  • Screw terminals and DB9 connectors
  • Configurable grounding system
  • Integrated termination facilities

Fiber optic

  • 2 Fiber channels MM
  • 3 km cable length
  • Point-to-point, star, and bus topologies
  • 4 ST/BFOC connectors
  • Multimode cable G62.5 / 125 (OM1) – 850 nm
  • No limit to cascading

Others

  • Alarm contact
  • Power supply: 9 .. 31 VDC
  • Redundant power supply
  • IP 20 classification
  • Temperature: -25 .. 70˚ C
  • Dimensions (LxWxH): 163 x 111 x 29 mm

 

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