Multibus Processr Module SBE MPU-28 rev E (Bailey ROM B-2) 1900214 Processor Card for OIS.
The Bailey Controls IIMPM01 is a legacy Multibus Processor Module designed for the Bailey INFI 90 and Network 90 distributed control systems (DCS). Originally manufactured by Bailey Controls (now part of ABB), this module was primarily utilized as a controller or interface card for Operator Interface Stations (OIS) to manage system tasks and communications.