Desigo PXC building automation controllers

Why Desigo PXC controllers?

Optimize building operations with the Desigo PXC 4/5/7 family, using future-proof technology that elevates modern buildings and strengthens energy efficiency. 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 modular controller
Desigo PXC5.E24 extended I/O controller
Desigo PXC7 high-performance controller

Key benefits

Enhance performance and efficiency

Streamline engineering and integration

Leverage the license-free Desigo Engineering Framework to intuitively engineer and commission applications, and integrate protocols without extra hardware or software to reduce engineering time and cost.

Strengthen security and connectivity

Securely connect intelligent devices with BACnet Secure Connect, using on-board WLAN and cloud remote access to meet high security standards and provide reliable, safe building automation.

Featured capabilities

Freely programmable HVAC and integration control

Create tailored applications to maximize site energy efficiency with freely programmable HVAC and integration controllers, extension modules and an end-to-end engineering suite.

Scalable I/O and device integration options

Expand automation with PXC controllers offering up to 400 I/Os (PXC7) and supporting direct third-party integration. Flexible models with 16–40+ I/Os adapt to changing needs without replacing equipment.

Future-proof, sustainable design

Reduce environmental impact with Desigo PXC4/5/7 Controllers made from 86% bio-based plastics. Upgrade modular designs with on-site or remote firmware updates for long-term, sustainable performance.

Downloads, tools and global customer support

Download presentations, brochures, data sheets and the license-free engineering tools of the Desigo PXC controllers here.

Documents, tools and support

Customer documentation

Technical documentation

HIT Portal - Download documentation and order PXC controllers

Engineering and commissioning tools