The Schneider Electric SmartX AS-B-24 Building Controller (Part No. SXWASB24X10001) is a 24-point BACnet/IP and MS/TP programmable field controller without display, designed for EcoStruxure Building Operation deployments in AHU, FCU supervision, and general building automation applications.

The AS-B-24 is the standard workhorse controller for commercial office buildings, retail complexes, and hotel HVAC systems. 24 I/O points comfortably accommodate a single-zone AHU sequence including supply temperature reset, CO2 DCV, static pressure control, and economiser management. Headless design suits panel-mounted deployments managed remotely via EBO Workstation or cloud portal.