Brad® Foundation FieldBus Solutions

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Foundation Fieldbus is a communication protocol used to interconnect field-level instrumentation and control devices to a PLC (Programmable Logic Controller) or DCS (Distributed Control System) controller in a process-automation control system. Foundation Fieldbus is employed in the control systems of oil and gas production, refineries, petrochemical plants, chemical manufacturing, and pharmaceutical manufacturing.

At the physical-layer level, Foundation Fieldbus allows multiple devices to communicate digitally over the same wire. The Foundation Fieldbus physical layer (such as cable or transmission signal requirements), is specified in the ISA SP50.02 and IEC 1158-2 standard for fieldbuses. The cable specifications are listed in the cable standard, FF-844, which is issued by the Fieldbus Foundation, the organization that controls and maintains this open standard. Molex's Brad Foundation Fieldbus products are fully complaint to these specifications.

Brad Foundation Fieldbus products are based on the proven Mini-Change and Micro-Change circular, molded-connector families. These sealed, watertight connectors offer the ruggedness required in the most demanding industrial applications. The pre-wired, keyed connectors provide a modular wiring system that is not prone to field-wiring termination errors.  


  • Mini-Change and Micro-Change connector styles
  • Sealed IP67 rated connectors
  • Quick Connect, modular wiring system with keyed, pre-wired molded connectors
  • Foundation Fieldbus 'Type A' compliant shielded cables
  • Stainless Steel or Nickel Plated Brass cordset coupling nuts and receptacle shells


  • Chemical plants
  • Food and beverage
  • Oil and gas production
  • Oil refineries
  • Petrochemical
  • Pharmaceutical manufacturing
  • Transportation facilities
  • Wastewater treatment