INDDM01 Disk Drive Module (part of INOSM01) 6640931 (also part no YINDDM01, PINDDM01). Does not include hard disk.
The Bailey Controls INDDM01 is a legacy Disk Drive Module used within the ABB Bailey INFI 90 and Network 90 distributed control systems (DCS). It primarily serves as a storage interface for transferring system data, configurations, or OS files for workstation and computer interfaces.