Siemens 6ES5941-7UA11 is a SIMATIC S5-115U CPU941 Processor Module designed to serve as the central processing unit in a SIMATIC S5 PLC rack. It provides 1 KB of RAM, expandable via the MS375 Memory SubModule for RAM/EPROM/EEPROM, enabling program and data storage directly on the module. The unit includes a single 20 mA current-loop TTY interface for OP/PG/PC/SINEC L1 connections, giving a dedicated communication path within the rack. As part of the SIMATIC S5-115U family, this CPU941 module is intended for use in compatible S5-115U configurations to manage control logic and sequencing tasks in the PLC system.
