Building Management Systems

Extron Control Helps Make Smart Buildings Even Smarter

Smart buildings employ a number of automated processes that work together to regulate and control vital building systems, including HVAC, lighting, power, utility use, and closed-circuit cameras. This technology is comprised of devices and BMS – Building Management Systems that can “speak” to one another and carry out complex instructions based on the current state of various subsystems. This kind of communication requires software and hardware that can coordinate, monitor, and control via the building’s network. All Extron control systems integrate seamlessly with smart buildings and BMS.

Extron IP Link Pro control processors support popular BMS protocols, such as BACnet, KNX, and DALI in the form of device drivers, with no additional hardware or firmware needs. These protocols allow for centralized monitoring and control of mechanical and electrical systems that include HVAC, lighting, power, and security.

Click on a protocol below for its description and list of available Control System Drivers.



KNX Logo

KNX is a worldwide communication standard for home and building control. It was created in 1999 by Konnex Association (now KNX Association), and is a combination of three previous standards: European Home Systems Protocol (EHS), BatiBUS, and European Installation Bus (EIB or Instabus).

The KNX Association has 396 member companies in 38 countries, offering more than 7,000 certified products for building automation, which are handled by approximately 48,000 certified KNX-partners in 138 countries. KNX Association is a non-profit organization governed by Belgian Law.

Applications: KNX is used in residential and commercial building automation for HVAC, lighting, security, remote access, blind and shutter control, visualization, and energy management.

Manufacturer Model
ABB IPR/S 2.1
ABB IPR/S 3.1
Elka/Insta RS-232/485-IP
Gira KNX IP-Router (2167 00)
Gira KNX IP-Schnittstelle (2168 00)
Intesis ASCII KNX Gateway
Intesis BACnet/IP Server - KNX
Schneider Electric KNX / IP-Router REG-K
Schneider Electric KNX / IP-Router REG-K (Tunneling)
Siemens Desigo PXC
BACnet Logo

BACnet – Building Automation and Control Networks is a worldwide standard used by more than 800 vendors across hundreds of devices. BACnet stands for Building Automation Control network. BACnet is a data communication protocol developed by ASHRAE. BACnet is known as “ANSI/ASHRAE standard 135-2016" and as the international standard "ISO 16484-5."

Applications: BACnet supports most building operations, including HVAC, lighting, fire protection, and physical security (access control, intrusion) devices.

Manufacturer Model
Intesis ASCII Server - BACnet/IP Client
Intesis BACnet/IP Server - KNX
Siemens Desigo PXC
Trend IQ3
DALI Logo

DALI - Digital Addressable Lighting Interface is the leading protocol for the control of lighting in building automation and is developed by a group of manufacturers led by Phillips. DALI 2 replaced the original DALI protocol in 2014 and is backward compatible with it. DALI provides exceptionally fine-grained control over lighting, with each device being separately addressable. 256 levels of brightness are possible.

Applications: DALI is used exclusively for lighting and related controls. DALI devices include fluorescent HF ballasts, low voltage transformers, PE cells, motion detectors, wall switches and gateways to other protocols.

Manufacturer Model
Brightline BusMaster
Foxtron PEF 150
Helvar DIGIDIM 503 AV
Helvar DIGIDIM 505
Helvar Digidim 905
Helvar Digidim 910
Helvar Digidim 920
Dynalite DDBC1200
DMX Logo

DMX – Digital Multiplex is a digital communication protocol for communication between lighting equipment and lighting controllers. DMX 512 is the most widely used communication standard for controlling stage lighting. It is a digital, unidirectional, serial protocol that is based on RS-485 specifications.

Applications: DMX is well established as a professional light management and used throughout the world on stages, in music clubs, in theaters, in museums and for architectural lighting.

Manufacturer Model
Acclaim ART 500DMX
Acuity Fresco FCS AVI
Artistic Licence Art-Net 3
Avalk DMXSERIAL-H
Color Kinetics iPlayer 2
Doug Fleenor Design 232-DMX
e:cue Butler XT2
Modbus Logo

Modbus® is a serial communications protocol developed by Modicon, now Schneider Electric, in 1979. The Modbus protocol uses a client/server architecture to manage communication between a host and intelligent devices, especially sensors in data acquisition systems. In building automation, it is used to control equipment such as chillers, boilers, and fans. Noted for its flexible and open communications, Modbus is one of the most widely used protocols in the world.

Applications: Modbus is most widely used as an industrial protocol, but is also popular in building, infrastructure, transportation, and energy applications.

Manufacturer Model
Schneider Electric Modbus TCP/IP
Siemens Desigo PXC
LonWorks Logo

LonWorks® - Local Operating Network is a widely used standard for many types of control applications, including building automation. It was created by the manufacturer Echelon in 1988, and in 1999 it was accepted as a standard by ANSI for control networking (ANSI/CEA-709.1-B). The protocol’s largest application area is in building automation and is an international standard, with millions of installed devices around the world.

Applications: The majority of LonWorks devices involve buildings projects, including HVAC and lighting. The protocol is also used in many other markets such as outdoor lighting, transportation, utility, process control, and home automation.

Manufacturer Model
Intesis ASCII LON Gateway
Siemens Desigo PXC

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