Siemens 6ES7 416-2FN05-0AB0 Programmable Logic Controller CPU Module

Siemens 6ES7 416-2FN05-0AB0 CPU 416F-2 (revision 04) is a SIMATIC S7-400 central processing unit designed for mid‑range automation tasks. It provides 5.6 MB of working memory (2.8 MB code, 2.8 MB data) and runs STEP 7 programs with deterministic timing characteristic of the 416F‑2 family. The module combines MPI/DP master capability and a PROFIBUS DP interface, enabling integration with both Siemens and third‑party field devices across single or distributed networks. It exposes 16 KB of digital I/O capacity and supports up to 64 connections, making it suitable for moderate I/O density applications. This CPU supports the standard S7‑400 backplane architecture and can be paired with appropriate I/O, DP/MPI interface modules, and control panels to form a complete machine or process controller. Typical use cases include machine automation, packaging lines, material handling, and coordinated control of multiple actuators and sensors in factory environments. With engineering support in STEP 7 and compatible firmware, the 416F‑2 hardware is commonly deployed where reliable, networked PLC control with MPI and PROFIBUS DP is required.