Product pictures Product Overview: ABB FPNO-21 Parameter Specification Manufacturer ABB Model FPNO-21 Product Type 2-Port PROFINET IO Fieldbus Adapter Module Order Number 3AXD40000182778 (latest revision) Application PROFINET IO communication for ABB AC drives Application & Fault Scenarios Typical Uses: The FPNO-21 is a 2-port PROFINET IO fieldbus adapter for ABB AC drives, widely used in manufacturing, material handling, water/wastewater treatment, HVAC, oil & gas, and