Desigo PXC building automation controllers

Why Desigo PXC primary controllers?

Optimize building operations with the Desigo PXC 4/5/7 family, using future-proof technology for scalable HVAC and building-automation control. Reduce engineering time and build resilient HVAC control solutions with secure remote connectivity and streamlined workflows. Scale effortlessly from small rooms to large campuses, with central plant and room automation that grows as your facility evolves.

Accelerate open integration through Siemens Xcelerator for faster, flexible digital transformation. Our controllers come in multiple sizes to fit your building automation system needs:

Desigo PXC4 compact controller
Desigo PXC5 mid-sized controller
Desigo PXC5.E24 extended TX-I/O controller
Desigo PXC7 high-performance controller

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Enhance flexibility

Scale and modernize with ease as your building's needs evolve. Adapt with configurable I/O, open protocols and flexible expansion for long-term building evolution.

Improve efficiency

Manage building operations with Desigo PXC through centralized control, integration and streamlined engineering workflows.

Future-proof infrastructure

Desigo PXCs deliver a secure, future‑proof foundation with end‑to‑end BACnet Secure Connect—mitigating risk, meeting regulatory requirements and protecting buildings against evolving cyber threats for long‑term reliability.

Featured capabilities

Freely programmable HVAC and integration control

Create tailored HVAC and integration applications using freely programmable controllers and extension modules and an end-to-end engineering suite.

Scalable TX-I/O and device integration options

Easily expand automation with PXC controllers by adding TX-I/Os while supporting direct third-party integration.

Resilient design with bio-based plastic content

Desigo PXC 4/5/7 controllers use 86% bio-based plastics, as documented in the applicable Siemens environmental profile. Upgrade modular designs with on-site or remote firmware updates.

Discover how others use Desigo

Goethe University

Energy-efficient university modernization

Using Desigo Building Automation PXC automation stations, Goethe University in Frankfurt is modernizing the energy system of its Biocenter to reduce energy consumption, CO2 emissions and operating costs.

NOVVA Data Centers

Boosting sustainability in data centers

Novva Data Centers cut energy use by over 2 million kWh per year by upgrading to Desigo PXC controllers, enabling water free cooling, 24/7 uptime and reduced operating costs while boosting sustainability.

Additional resources and related products

Documentation

Technical documentation

HIT Portal - Download documentation and order PXC controllers

Tools

Links