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Solutions Anwendungen

was to completely convert all locations by 2033. cases. ”At first,” says Niemann, ”we hadn't even Furthermore, it is essential for the success of
To this end, priorities were set for the automation considered that the connection to headquarters such a project to thoroughly review the existing
focal points, which were to be converted in might occasionally be disrupted – for example, documentation. If the systems are 25 years
parallel. due to human error, an incorrect firewall setting, old or older, their documentation is most likely
or maintenance work on the part of the provider.” to be incomplete and contain errors. ”We even
The necessary concept was designed by However, it is essential for an acute care hospital found small control cabinets that no one could
EliteBuildingArchiTec Germany GmbH, now that functions such as lighting, ventilation, etc. remember – not even older colleagues,” smiles
managed by Christian Hofer – a Berlin-based are available at all times. It is no coincidence Niemann. But now the structure covers the entire
engineering firm specializing in planning, that the legislator imposes corresponding inventory of devices in the field.
construction management, consulting, and requirements.
development in the field of building automation. With the implementation of their solution, KMG
The engineers took stock of the situation on site ”Since gateways from Krefeld-based MBS Clinics can claim to operate the first and (in 2025)
and planned the project. Since many devices GmbH were already being used for on-site data largest BACnet/SC network in Germany. In 2021,
in the hospital network use the BACnet/IP bus communication, we tested their routers for this the Güstrow site was the first to be equipped
protocol, the new Secure Connect (BACnet/SC) purpose,” reports Tino Erler, project manager with a BACnet/SC connection to the Berlin data
security infrastructure was chosen. at SI Building Automation. MBS's Universal center, initially as a stand-alone solution, with 30
BACnet Routers (UBR) are indispensable native SC devices. Other locations have now also
It not only uses the TCP protocol, a proven interfaces for industrial and building automation been converted or integrated, or are following
method in network management, but also real- because they can connect BACnet networks schedule. From the outset, the network has
time encryption based on TLS 1.3. This allows of different technologies. ”Since the routers been stable and operating at the highest level
data communication via the Internet to be support encrypted BACnet/SC communication, of security. Hofer: ”This visionary solution came
implemented more quickly with standard routers. they can be used effectively when setting up about because it was important to everyone
The topology of BACnet/SC is also backward corresponding architectures,” emphasizes Tobias involved, from the planners to the board of
compatible, enabling mixed operation via a Plath, Head of Global Business Development and directors, to think long-term and put operational
suitable router. Following the tender process, Sales at MBS in Krefeld. Up to approximately 50 reliability first.” 
Stolle Industries GmbH in Leipzig was awarded BACnet/SC connections can be connected to
the contract to implement the concept. each router. Die KMG Kliniken sind seit 1991 ein Gesund-
heitsunternehmen für die medizinische und pfle-
Data exchange in the network and locally In addition to excellent test results, the gerische Versorgung. An etwa zwei Dutzend
professional exchange between SI Building Standorten – von Güstrow in Mecklenburg-Vor-
A comprehensive building management system Automation and MBS contributed to the decision pommern bis Sömmerda in Thüringen – bieten
from Delta Controls was first installed in the KMG to initially use one UBR-01 per location at KMG die Einrichtungen Gesundheit aus einer Hand:
Clinics' data center in Berlin. To ensure that data Kliniken. It could be used in the existing system Akutversorgung, Rehabilitation und Pflege.
communication would continue to function locally during ongoing operation. ”Despite the parallel Höchste Ansprüche hat der Gesundheitsdienst-
if the connection to headquarters were to be operation of IP and SC devices, we were able to leister mit der Unternehmenszentrale im bran-
disrupted, a technical solution was also required route the entire IP network into the SC network denburgischen Bad Wilsnack dabei nicht nur an
that would maintain local data exchange in such within a few minutes, which made our work medizinische Technologie und Professionalität,
much easier,” emphasizes Erler. As a so-called sondern auch an die Infrastruktur seiner Gebäu-
hub, the router not only controls the data traffic deautomation.
between the devices on site, but also handles
communication with the control center. In the Zum Unternehmensverbund gehören acht Akut-
future, an additional UBR-01 will be added per kliniken und zwei Rehaeinrichtungen, die in der
location, which can take over the function of a Gebäudeautomation eine hohe Ausbaustufe auf-
”failover hub” in the event of a failure of the first weisen. An diesen zehn Standorten wurden Sys-
hub, as provided for in the BACnet/SC topology. teme von sieben unterschiedlichen Herstellern
verwendet, die 25 bis 30 Jahre alt waren. „Um
Operational reliability comes first diese Infrastruktur zukunftsfähig zu betreiben
und auf 1st line level zu supporten, entschieden
The biggest challenge for SI Building Automation wir 2020, eine einheitliche Lösung aufzusetzen“,
in the project is the creation of encryption erinnert sich Frank Niemann, Geschäftsführer
certificates, which currently still have to be Servicegesellschaften Technik bei den KMG Kli-
created and distributed manually. This time- niken.
consuming process is to be automated in the
future, as stipulated by the BACnet/SC standard Zukunftsweisende Lösung
since 2024. What other experiences have those
involved had? ”It is immensely important to Zu diesem Zweck sollte zwischen einer neuen
A UBR-01 is used at every KMG Kliniken site. Integration
took place in the existing system – during ongoing involve IT from the outset, because without it, the zentralen Managementbedieneinrichtung in
operations. operational safety of building automation cannot einem Berliner Rechenzentrum und den zehn
An jedem Standort der KMG Kliniken kommt ein UBR-01
zum Einsatz. Die Integration erfolgte im Bestand – bei be implemented,” says Sebastian Stolle, CEO of Standorten standortübergreifender Datenaus-
laufendem Betrieb. © KMG Klinken SI Building Automation. tausch geschaffen werden. Zukünftig sollten

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