24
INSTRUmENTATION
Record growth in installed nodes
as PROFINET confidence grows
ROFINET is experiencing a rapid device descriptions based on electronic device
The latest report from
increase in the number of installed description language (EDDL). These include
PROFIBUS and PROFINET
nodes. With 1.6 million nodes by an EDD import library, which supports the
International shows an
P
the end of 2008, a previously unseen development of IEC-compatible EDDs for
unprecedented increase
growth rate of 40 per cent was recorded over PROFIBUS PA devices and an interpreter
in the number of installed the 1.1 million nodes at the end of 2007. software for these EDDs for use in engineering
nodes – as confidence
According to the industrial communications tools.
continues to grow in the
community known as PI – PROFIBUS and Device descriptions based on the EDDL
compatibility of process
PROFINET International – this makes technology are widely used in process
automation systems.
PROFINET the undisputed market leader in automation. The EDD import library is an
Ethernet-based industrial communication. IEC-compatible library of basic elements which
Le tout dernier rapport de
In addition, PI estimates that the number of can be used for very efficient development of
PROFIBUS et PROFINET
installed nodes will rise to three million by the EDDs for PROFIBUS PA devices. The scope
International indique une
end of 2010. of delivery of the EDD import library also
croissance inédite du At the same time, PI has also recorded rapid includes the source text files and corresponding
nombre de nœuds
growth in the number of PROFIBUS nodes. In documentation with implementation
installés, cela alors que la
2007 there were 4.5 million, compared with instructions.
confiance ne cesse de
5 million at the end of 2008. This 11 per cent An interpreter software is available
croître en ce qui concerne
rise represents a total number of installed nodes immediately for processing EDDs in PC-
la compatibilité des
systèmes
of over 28.3 million. PI predicts the 50 million based tools. The interfaces are disclosed and
d’automatisation des
node mark will be passed by the end of 2012. documented where necessary so as to allow
préparations.
“This growth reflects the trust of users, who easy integration into tools from different
utilise the advantages of PROFIBUS technology suppliers.
over the entire life cycle of their systems. A The scope of delivery includes the object
Der letzte Bericht von
decisive factor for the constant increase in use code of the core interpreter software, a
den PROFIBUS und
is full investment protection and compatibility. sample client in source code and the required
PROFINET International
This is important due to the long service life documentation.
zeigt einen beispiellosen
Anstieg bei der Anzahl
of systems, especially in process automation,” The EDD interpreter is also integrated in the
installierter Knoten –
notes PI. testing system for certification of PROFIBUS
während das Vertrauen in
The fact that industry has also become fully products, which handles testing of the EDDs.
die Kompatibilität von
reliant on the advantages of fieldbus technology Other good news for PI comes from its
Prozessautomations- is evidenced by the increasing number of Wireless Cooperation Team (WCT), set up a
systemen weiter wächst.
process automation (PA) devices. By the end year ago to progress towards a common wireless
of 2008, 880 000 PA devices had been installed interface that supports HART, Foundation
in the field, which corresponds to 20 per cent Fieldbus, PROFIBUS and PROFINET
growth. The total number of PROFIBUS factory communications.
automation (DP) and PA nodes installed in the Just over a year after its formation, the WCT
process industry amounts now to 4.8 million. has achieved a number of milestones toward
PI also notes that the size of its market share the development of an interface specification
shows there is a great acceptance of PROFIsafe and compliance guidelines to integrate a
for use in safety-relevant systems. For example, universally accepted wireless solution into
by the end of 2008, the number of PROFIsafe these communications networks. The common
systems reached 66 000 and the number of interface is intended to make it easier for end-
PROFIsafe devices reached 630 000. A recently users to take advantage of evolving wireless
published study by the ARC currently sees the technologies.
total market of bus-capable safety devices at The collaborative effort of the WCT is
700 000 – meaning PROFIsafe has a 90 per cent sponsored by the Fieldbus Foundation, HART
market share. Communication Foundation and Profibus
In a development on the technology front, Nutzerorganisation to facilitate the acceptance
PI is providing its members with two new of wireless technology in the manufacturing and
powerful software components for distributing process industries worldwide. v
www.engineerlive.com
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