ABB IMMFP02 Multi-Function Processor Module – INFI 90 The ABB IMMFP02 is a Multi-Function Processor Module for the INFI 90 control system. ABB documentation describes it as a user-configurable controller for complex control applications, supporting analog and digital I/O, serial communication, Controlway communication and redundant operation. ABB identifies IMMFP02 as a Multi-Function Processor Module within the Symphony Harmony product line . Technical Specifications Model