Siemens 6ES5926-3SA12 SIMATIC CPU Processor Module

Siemens 6ES5926-3SA12 SIMATIC CPU Processor Module is a DC-powered central processing unit designed for Siemens SIMATIC S5 PLC systems, serving as the processing core in S5 racks. Identified in multiple listings as the CPU926S Processor Module, this model is intended for installation in an S5 rack such as the 150S or 150U family, where it executes the user program, handles data storage, and coordinates timing and control tasks across connected I/O modules. It communicates with the backplane via the standard S5 bus and supports the programming and diagnostics workflows used for legacy Siemens S5 automation, making it suitable for retrofits or replacements in existing installations. Typical applications include industrial machinery control, material handling, conveyors, and other automated systems that historically relied on the Siemens S5 architecture, enabling continued operation with a familiar programming environment.