Siemens 6ES7 315-2AF03-0AB0 Programmable Logic Controller Module

Siemens 6ES7 315-2AF03-0AB0 is a CPU module for the SIMATIC S7-300 family, specifically the 315-2 DP central processing unit with an integrated PROFIBUS DP interface. It is powered from a 24V DC supply and typically draws about 0.9 A during operation, making it suitable for compact control panels and stand-alone automation cells that require reliable processing and fieldbus communication. The unit is designed for use with classic Siemens engineering tools, such as STEP 7 and SIMATIC Manager (V5.x), and may not be fully represented in newer TIA Portal hardware catalogs, reflecting its legacy programming environment. As a DP-capable CPU, it coordinates program execution and data exchange between the S7-300 rack and Profibus DP slaves, enabling deterministic control of attached I/O modules and field devices, and it serves as the primary controller in many small to mid-range automation configurations. Typical applications include machine control, packaging lines, and process automation where stable DP communication and predictable cycle times are required.