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BACnet controller: Scalable performance and wide range of functions


TwinCAT BACnet/IP helps answers all building automation requirements in accordance with the BACnet conformity standard


With the CX90xx and CX50xx device series, Beckhoff fulfils all requirements of the worldwide BACnet standard ISO 16484-5:2010 and offers scalable control platforms for the system-spanning automation of buildings. Numerous additional functions have been implemented that extend beyond the requirements for BACnet building controllers. Thanks to the integration of the BACnet protocol in the TwinCAT System Manager it is possible to efficiently configure the I/O Bus Terminals and the BACnet devices with a single tool. The "Automapping" function enables convenient system design and shortens development time. The Beckhoff solution is based completely on in-house development, demostrating the company's high level of BACnet know-how.

In TwinCAT BACnet/IP, Beckhoff offers a complete building automation-capable product line that is characterized by high scalability: from the compact ARM-based CX90xx controller, which supports up to a thousand data points, to the CX5020, on which serveral thousand data points can be centrally collected and processed. These powerful devices can be used without restriction as BACnet Building Controllers (BBC). The DIN rail-mountable Embedded PCs from the CX-series integrate an interface for the direct serial connection of the Bus Terminals.

Extensive additional functions supplement the required interoperability function blocks of the Beckhoff BBC devices. The way is opened to the global use of TwinCAT BACnet/IP by support for the Unicode character set UTF8. Further functions cover the dynamic creation of BACnet objects, whereby timing diagrams and trend objects can be subsequently created and configured. Distributed clocks can be synchronised with the aid of the supported Client and Master functions. BBMD (BACnet Broadcast Management Device) services have been integrated into TwinCAT BACnet/IP for use in widely distributed networks. The integration of spatially remote and third-party devices is particularly convenient within the framework of the Client functionality. Thanks to support for the EDE format (Engineering Data Exchange), Beckhoff controllers also work in connection with BACnet devices from other manufacturers. TwinCAT BACnet/IP is rounded off by extensive diagnostic functions.





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