Siemens pxc22 Building Automation Communication Module I

Siemens Desigo PXC22 Building Automation Communication Module I is a compact, freely programmable automation station for HVAC and building control that provides 22 physical data points and native BACnet communication over IP. It is designed for Desigo PX environments and offers BACnet/IP connectivity with BACnet Building Technologies (BTL) listing, ensuring reliable interoperability with sensors, actuators, and other BACnet devices. The PXC22 family is extendable with I/O expansion options via Siemens TX interfaces, enabling scalable deployments from single rooms to larger zones. In practice, it serves as a central controller for climate-control sequences, scheduling, and occupancy-driven automation within commercial buildings, integrating with Desigo CC workflows and supporting seamless connections to third-party BACnet devices.