WAGO and Controls [India] Ltd. Offer Programmable Fieldbus Controller with Pre-Processing Signal. 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 Pre-Processing Signal combines the WAGO fieldbus coupler for MODBUS with the functionality of a PLC. Programming of the application is performed in accordance with IEC 61131-3. The programmer can access all fieldbus and I/O data. The Programmable Fieldbus Controller with Pre-Processing Signal has Peripheral equipment that can be controlled directly, resulting in faster system response times.