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Technik Technology
und GEG-konform zu agieren. Somit lassen sich 1. Speed and Latency: Room operating units Retrofit: Modern Solutions for Existing
die gesetzlichen Vorgaben erfüllen, Betriebskos- that need to communicate with other systems Systems
ten senken und letzten Endes die Umwelt scho- in real-time benefit significantly from the high
nen. data bandwidth of up to 10 Mbit/s and the low Another important area of application for SPE-
latency of the SPE technology. This improves based room operating units is retrofitting exist-
Fazit response times and the efficiency of the entire ing infrastructures. Existing automation net-
BMS. works can be adapted to this technology almost
Thermokon ist davon überzeugt, dass SPE eine 2. Security Requirements: Modern building cost-neutral as part of a building refurbish-
entscheidende Rolle in der Weiterentwicklung automation systems must meet high security ment. Research has shown that existing cable
der Gebäudeautomation spielen wird. Durch die standards, especially if they transmit sensi- infrastructures are already suited for SPE in
Integration dieser Technologie in ihre Bedienge- tive data. The integration of IP-based secu- many cases. The great added value lies in the
räte und die nahtlose Kompatibilität mit BACnet rity standards in SPE-based room operating increase of performance. SPE facilitates integra-
können sie ihren Kunden innovative Lösungen units ensures secure data transmission and tion into existing infrastructures, as less cabling
bieten, die nicht nur die Effizienz und Zuverläs- protects them against potential threats. is required, and installation costs are lower. This
sigkeit ihrer Systeme verbessern, sondern auch makes SPE components an attractive solution
die Kosten senken und die Installation erleich- Using SPE with BACnet for modernizing older buildings.
tern. Besonders im Retrofit-Bereich und im Hin-
blick auf zunehmende Anforderungen zeigen die BACnet/IP and BACnet/SC are based on the IP EPBD-Compliant Solutions
Produkte ihre Stärke. protocol. In these cases, the use of SPE is an
ideal alternative to classical IP network cabling. The European Energy Performance of Buildings
There is no need for time-consuming cabling or Directive (EPBD) stipulates high demands on the
Looking ahead, some existing bus systems and the assembly of RJ45 connectors. The plug-in energy efficiency and sustainability of buildings.
communication standards based on the RS485 two-wire connection is easy and inexpensive to SPE-based room operating units make a sig-
protocol reach their limits in terms of com- install. Alternatively, with SPE, the power sup- nificant contribution to meeting these require-
munication speed. An immediate response is ply and data cable can be laid separately as ments. By precisely controlling and monitoring
expected, particularly in the event of switching usual. Numerous well-known manufacturers are HVAC systems as well as lighting and shading
lights and blinds. Modern room operating units already presenting the first SPE-capable com- systems, Thermokon supports its customers in
now have high-resolution graphic displays for ponents for building automation as an alterna- achieving the required energy targets and oper-
convenient control of room parameters. In addi- tive to RS485. ations in compliance with the EPBD. This ena-
tion to low latency, the data transmitted also bles customers / building owners to meet legal
require a high communication speed and inte- Application examples of SPE room requirements, reduce operating costs and ulti-
gration into networks based on the IP protocol. operating units mately reduce carbon emissions.
Modern security requirements are largely based
B
on the Internet protocol and can therefore no uilding management: SPE-based room Conclusion
longer be easily implemented using (existing) operating units are ideal for the central
RS485 standards. control and monitoring of heating, ventilation Thermokon is convinced that SPE will play a
and air-conditioning (HVAC). They offer decisive role in the future development of build-
Single Pair Ethernet (SPE) is one of the latest precise control and help to increase energy ing automation systems. By integrating this tech-
technologies with the potential to fundamen- efficiency. nology into their operating units and seamless
L
tally change building automation. SPE enables IP ighting and shading control: Thermokon’s integration into BACnet networks, they can offer
data transmission and simultaneous power sup- room control units allow flexible and their customers innovative solutions that not only
ply through a single pair of wires, which not only energy-efficient control of lighting & shading improve the energy efficiency and reliability of a
simplifies cabling, but also reduces costs while systems, helping to improve energy BMS, but also reduce costs and simplify instal-
considerably simplifying installation in a wiring- efficiency and comfort. lation. The products show their strength particu-
safe manner. Thermokon regards SPE as one of larly in the retrofit sector and with regards to
the key technologies for the future of wired build- increasing security requirements.
ing automation.
Use of SPE Technology for Operating
Devices: The Beginning of a New Era
Thermokon will initially introduce the SPE tech-
nology in room operating units, as the need for
high speed, low latency and high security is par-
ticularly important here. These devices require
fast and reliable communication with the BMS to
ensure the operation of complex systems and to Dominique Alt
meet the increasing demands of modern build- Head of Product ManagementThermokon Sensortechnik GmbH
ing automation. dominique.alt@thermokon.dewww.thermokon.de
28 BACnet Europe Journal 41 09/24
