Product Description - Procentec ProfiHub B2FOR+ User Manual

1. Product Description

This innovative network component is an essential element when it comes down to maintaining PROFIBUS DP
systems when a host system must be involved. In the past, the application software was not able to identify
bus diagnostic information and act accordingly. With the ProfiHub B2FOR+ MM/SM and B4FOR+ MM/SM this
information is fully available in a PLC/DCS system with the DP-V0 protocol or in a ComBricks system. The
information can be visualized with a SCADA/WINCC system or with the WEB-based interface of the ComBricks
system. Even the location of certain devices behind the channels of the ProfiHub can easily be verified, and it is
very useful to identify the topology from a host system point of view.
The ProfiHub B2FOR+ MM/SM and B4FOR+ MM/SM are robust network components providing reliable
solutions for fiber rings, spur lines and star-shaped structures in PROFIBUS DP networks.
The user provides the ProfiHub with a bus address (software set slave address function). By means of the GSD
file the user can configure the data that is required from the ProfiHub. The cyclical data can contain simple
statistics up to complex structures identifying channel problems.
The ProfiHub B2FOR+ MM/SM and B4FOR+ MM/SM have one fiber optic channel with two ports and two or
four galvanic isolated RS485 channels. With the two fiber optic ports, a ring or line/bus structure can be
realized whereby each HUB has two or four RS485 channels on which 31 devices or other HUBs can be
connected. The plug-able screw terminals with integrated termination of the RS485 channels can be used with
an end point of a segment. Also, the DB9 connectors could be used with a segment end point or for monitoring
purposes. Another application of the DB9 connector is, to connect the HUB to any place in a segment.
If bus redundancy is enabled, the two rightmost RS485 channels will form a redundant pair. In combination
with another ProfiHubHUB, cable redundancy can be realized.
Fig. 1 - ProfiHub B4FOR+
ProfiHub B2FOR+ / B4FOR+ User Manual | August 2019 | © PROCENTEC 8/60