ProfiHub B2FOR+ (Single-Mode)

The ProfiHub B4FOR+ is a cost-effective solution to link PROFIBUS fiber optic to multiple RS 485 segments and vice versa. Additional to the other fiber optic repeaters, this module enables the installation of a ring topology, of which the status can be remotely monitored via the ComBricks web browser.

One fiber optic channel, split into 2 ports

2 galvanically isolated channels

Ring redundancy

available in Multi-mode and Single-Mode

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ProfiHub B2FOR+ - Fiber Optic to Multi Segment Coupler

The B2FOR+ supports multiple fiber optic topologies; ring-, point-to-point, bus and star. The protocol transparency without configuration, allows direct integration in existing PROFIBUS networks to benefit from the advantages optical data infrastructures offer.

The ProfiHub B2FOR+ is equipped with 2 galvanic isolated RS 485 channels utilizing a maximum of 31 devices per channel.

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

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Technical specifications

RS 485

2 galvanically isolated channels
9.6 Kbps .. 12 Mbps (auto detection)
1200m segment length (depends on baudrate)
Bus redundancy
Screw terminals and DB9 connectors
integrated termination

PROFIBUS

Transparent for all PROFIBUS DP protocols
Suitable for PROFISafe and MPI
High integrity telegram tracking

Fiber optic

One fiber optic channel, split into two ports
Max. 30km cable length
ring topology, bus topologies, star topolgies, point-to-point
Single-Mode 1310nm
Fiber cable G9 / 125 (OS1 or OS2)

Other

Alarm contact
Power supply 12 ... 24 VDC
Redundant power supply
IP 20 classification
Temperature =25 ... +70*C
Dimensions (LxWxH): 129 x 111 x 40 mm