LONWORKS refers to the whole multi-purpose network technology developed by Echelon Corporation to provide solutions for building and home automation, industrial, transportation, and public utility control networks. LONWORKS is a field level open network that enables to build open, multi-vendor control systems of the peer-to-peer distributed control configuration.
The SX5L is a terminal block type LONWORKS I/O device available in a variety of models designed for multi-vendor building automation and industrial control networks. All SX5L communication terminals contain Standard Network Variable Types (SNVTs) defined by the LONMARK Interoperability Association.