Siemens 6ES7 317-2AJ10-0AB0 Programmable Logic Controller

Siemens SIMATIC S7-300 CPU 317-2AJ10-0AB0 (6ES7317-2AJ10-0AB0) is a mid-range PLC central processing unit in the S7-300 family, designed for compact automation tasks with Profibus DP and MPI networking. It provides 512 KB of working memory and includes a primary MPI/DP interface at 12 Mbit/s plus a second DP master/slave interface for DP networks, enabling both fieldbus communication and device connectivity. An MMC memory card is required to load, store, and backup programs, and the unit typically operates from a 24 V DC power supply. This CPU model is listed as no longer available through Siemens, with stock commonly found through third-party distributors or refurbishers.