The Metasys Field Equipment Controllers (FEC) are a complete family of BACnet compatible field controllers and accessories designed with the flexibility to meet a wide range of your HVAC control applications. Built on the ASHRAE standard for building automation system control and communication, these controllers support Johnson Controls commitment to open communication standards and greater control options for you. FAC Series controllers feature an integral real-time clock and support time-based tasks, which enables these field controllers to monitor and control schedules, calendars, alarms and trends. All FEC and FAC controllers feature selectable N2 or BACnet MS/TP communication protocol, this allows them to be used as functional replacements for legacy N2 controllers. Features Supports peer-to-peer communicationsContinuous Tuning Adaptive Control provides more efficient controls and reduces level of manual interventionAdvanced diagnostics for failure detection, resolution and preventionStandard packaging and terminations simplify installationFiel Equipment Controllers have been tested by the BACnet Testing Labs (BTL) and are certified as BACnet Application Specific ControllersFAC models feature an integral real time clock with on-board time schedules, calendars, trends and alarms and are BTL certified as BACnet Advanced Application Controllers (B-AAC)