S4 Open appliances uniquely support multiple protocol integration in the building automation industry. Through interpreting system communication, customers now have the ability to integrate technologies into automation platforms that have traditionally been proprietary. S4 Open appliances utilize the automation.net platform to open systems to new architectures. Our cutting-edge technology enables end users to retain existing investment in field devices, as well as plan for cost-effective growth and evolution by integrating BACnet, OPC, XML or other protocols into their building automation strategies.