The SpaceLogic AS-B server is at the core of an EcoStruxure BMS. It performs functionality, such as control logic, trend logging and alarm supervision. It provides built-in I/O, and supports communication and connectivity to the field buses. It is a powerful device with built-in power supply and I/O, which makes it suitable for control applications at the plant room level of a BMS. The SpaceLogic AS-B server can act as a standalone server or controller using its built-in I/O and also monitor and manage field bus devices. Its dimensions are 110 mm (4.3 in.) in height, 198 mm (7.8 in.) in width and 64 mm (2.5 in.) in depth. The AS-B-24-P model features 24 I/O points with a versatile mix of I/O points and a variety of connectivity options. It supports the SpaceLogic IP-IO modules for I/O expansion and the SpaceLogic Zigbee Adapter for Zigbee wireless connectivity. Its dimensions are 110 mm (4.3 in.) in height, 198 mm (7.8 in.) in width and 64 mm (2.5 in.) in depth. Available spare parts are terminal blocks (SXWASBCON10001) and an installer kit (SXWASBINS10001). The AS-B-24-P model is hardware only; an AS-B software package needs to be purchased separately. Available spare parts are the AS-B connector kit (SXWASBCON10001) and AS-B installer kit (SXWASBINS10001).