WAGO and Controls [India] Ltd. Offers Programmable Fieldbus Controller with Host Processor. 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 Host Processor is available with all types of modules up to 248 digital or 124 analogue inputs or outputs as well as modules with special functions can be addressed and handled using the WAGO-I/O-PRO generated program.