WAGO and Controls [India] Ltd. Supplies Programmable Fieldbus Controller with High Level Language Software. WAGO and Controls [India] Ltd. Supplies Connectors and Terminal Blocks, PCB Type Connectors, Power Supplies, Male-Female Connectors, Din Rail, Markers, Relay-Cards etc. The Programmable Fieldbus Controller with High Level Language Software comes with Linux operating system [kernel version 2.6], which is tailor-made for the embedded controller, allows an efficient software development as known from PC application areas. The Linux Ethernet controller can be used in a wide variety of applications in which only special hardware or small PC systems are used.