The Metasys system family of Field Equipment Controllers comprises a group of versatile field controllers designed to monitor, control, and integrate a wide variety of HVAC and other building equipment. IP controllers are BACnet network-compliant field controllers that can communicate on the BACnet/IP protocol. Features The FAC4911 and the VMA1930 communicate over the BACnet/IP protocolBACnet Testing Laboratories™ (BTL) listed ensures interoperability with other BTL-listed devicesAuto-Tuned Control Loops reduce commissioning time and eliminate change-of-season re-commissioningMobile Access Portal (MAP) gateway provides wireless mobile user interface to IP controllers improving daily operationsFAC4911 model Features an integral real time clock with on-board time schedules, calendars, trends and alarms