Transforming Buildings Into High-Performing Assets

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04.08.2020, 20:01

Transforming Buildings Into High-Performing Assets

Siemens Smart Infrastructure has unveiled a new generation of Desigo building automation controllers for automated applications in small and mid-sized buildings.

Heralded as solutions for transforming buildings into “high-performing, energy efficient assets”, the Desigo PXC4 and PXC5 controllers have been released under Siemens’ new licence-free Desigo Engineering Framework which includes “open by design” functionality for integration of different protocols and easy wireless access to facilitate building automation.

The Desigo PXC4 controller is designed for HVAC plant automation, with the Desigo PXC5 focused on automated functions and system integration.

Efficient engineering and commissioning

The new controllers have been released alongside the new Desigo Engineering Framework which consists of an HIT Portal, a web-based planning and selection tool; the engineering and commissioning tool ABT Site for PC users, and the company’s commissioning ‘ABT Go’ app tool for mobile use. The framework doesn’t require a license and can support a building throughout its entire lifecycle.


With a wide number of pre-configured functions as well as program blocks and various example sites, the engineering tool ABT Site offers simplified programming to highly reduce engineering complexity. Thanks to the open by design approach, multiple protocols can be integrated and mixed easily. With this setup, projects can now be processed easier, faster and more reliably – on- site or remotely.

Remote and on-site access

Working remotely has never been more important than today. The new Desigo controllers PXC4 and PXC5 facilitate not only the engineering process, they also help the user reduce project time and cost. Unnecessary travel to physical sites can be avoided due to integrated cloud connectivity. Additionally, the controllers can be accessed with the Desigo Engineering Framework at anytime and anywhere to perform remote engineering, operation and monitoring.

On-site, the user has wireless access to the controller and can process alarms on-site or remotely. The controllers have been designed with security in mind, offering certificate handling as well as signed firmware to prevent malware and viruses. Both devices, the PXC4 and the PXC5, have stringent system hardening tests and are prepared for BACnet Secure connect, the addendum to the BACnet protocol. What’s more, the communication with the embedded server is encrypted via https. Password protection and the disabling of the hotspot are two other features that improve security.

The new Desigo controllers are the first of a new range of building automation controllers that expand and strengthen the Desigo system, creating high-performing buildings with elevated levels of efficiency across the board.

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Staff Reporter covers the latest news, trends and opinion from the facilities management (FM) and corporate real estate (CRE) sectors. The FM market is currently estimated to be worth USD 1 trillion annually and is projected to grow at a compounded annualised rate of approximately 5% between now and 2026.

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