Product Description - Procentec ProfiHub A5 User Manual

1 Product Description

ProfiHub A5 and B5 are advanced, flexible
and robust network components for
PROFIBUS DP installations, to implement
long multi-device spur lines and backbone
structures with star/tree segments.
PROFIBUS DP is a high speed communication
bus that has to comply with strict rules
concerning spur lines, because of possible
reflections that could lead to communication
disturbances. If spur lines or star segments are
required, costly investments in repeaters have
to be done.
Innovative components for such applications are
the ProfiHub A5 and B5. These are perfect
economic solutions to implement reliable spur
lines in high speed DP networks. They have 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 a length equal to the
main bus. The ProfiHub A5 and B5 refresh a
received message on one Channel and
transfer it to all the other Channels (chicken
foot topology).
Because the ProfiHub A5 and B5 create isolated
segments, the devices can now be removed and
added during operation. Also electrical bus
problems and EMC disturbances in a spur do not
spread to the other segments. The intelligent
logic and isolation circuits of the ProfiHubs do not
change the bit width. This means the ProfiHubs
do not have limitations in serial placement. The
logic also detects the transmission speed
automatically.
To assist the installation work, termination is
integrated and can be switched on/off. The
grounding concept is also selectable: direct or
capacitive grounding. The ProfiHubs are powered by a 10 to 32 DC Voltage (110/230V AC versions
are also available). For troubleshooting, maintenance and commissioning the ProfiHubs are equipped
with a display on the outside, which indicate the status of each Channel (Data and Error).
ProfiHub-A5B5-Manual-EN
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Version 2.1.1 – June 2014
© PROCENTEC 2005-2014 - Copyright - all rights reserved
ProfiHub A5/B5 User Manual
Fig. 1 - ProfiHub A5 (IP65)
i
Fig. 2 - ProfiHub B5 (IP20)
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