Product Overview

The ABB 6632092N1​ is an option board / function-expansion printed circuit board (PCB) designed for use within ABB’s Bailey® INFI 90® (also referred to as Network 90 or NDCS – Network Distributed Control System) architecture. This plug-in option card is installed into a designated option slot on an INFI 90 Multi-Function Processor (MFP such as BRC-300/BRC-400), a Communicator module (ICI / IMM / IRL), or certain Harmony-series control stations, where it adds supplementary communication ports—typically RS-232 or RS-485 for Modbus RTU/ASCII, printer output, or peer-to-peer serial links—or enables specialized control functions depending on the specific option-board variant family to which the 6632092N1 belongs. The ABB 6632092N1​ interfaces directly with the host module’s internal bus and is recognized by the INFI 90 firmware as an addressable subsystem, allowing the control engineer to configure serial-link parameters (baud rate, parity, protocol) through the COMPASS or Control Builder configuration tools.Within a Bailey INFI 90 node, the ABB 6632092N1​ acts as the physical and logical bridge between the deterministic INFI 90 Plant Loop / Harmony Loop network and external intelligent devices—third-party analyzers, legacy PLCs, turbine supervisory systems, or serially-connected HMI/printers—that must exchange data with the process-control application. Because the option board offloads serial-handling tasks from the main MFP CPU, the ABB 6632092N1​ preserves scan-time determinism while expanding system connectivity. It is a key lifecycle-spares item for power-generation, hydrocarbon, and large-process plants that continue to operate INFI 90 systems decades after original installation. The ABB 6632092N1​ is supplied as a fully populated, conformal-coated PCB with gold-plated edge-connector fingers for reliable long-term seating in the host module’s option slot.Correct application requires verifying the host-module compatibility (e.g., BRC-300 Rev. G or later, or specific ICI/IMM firmware) and the exact option-board function code—our technical team confirms this against your existing rack documentation before shipment. The ABB 6632092N1​ is not a standalone DIN-rail product; it is an internal enhancement board that extends the capability of an already-installed INFI 90 processor or communicator, making it an essential component in obsolescence-management and spare-parts strategies for Bailey DCS users worldwide.

Technical Specifications