The Yokogawa AMN33 is a Node Interface Unit designed for the N-IO system, serving as a critical communication link within Yokogawa’s CENTUM VP and ProSafe-RS integrated production control and safety instrumented systems. This module facilitates seamless communication between the Vnet/IP control network and the local ESB Bus, enabling the connection of multiple I/O node units. The AMN33 is specifically engineered for high-availability applications, featuring dual-redundant communication ports to ensure continuous and reliable operation. It is an essential component for expanding system architecture or upgrading from a legacy RIO system to the advanced N-IO platform, enhancing flexibility and performance in industrial process control environments.