Siemens SIMATIC S7-300 Series CPU Modules Modular Programmable Logic Controller for Mid-Range Automation

Product Overview
The Siemens SIMATIC S7-300 Series CPU Modules are the core processing units of one of the most successful and widely deployed modular PLC systems in industrial automation history. Designed for mid-range to high-performance applications, the S7-300 family offers a diverse range of CPU types to meet various control requirements—from simple logic control to complex motion and safety tasks. With a modular design, multiple communication interfaces, and robust construction, S7-300 CPUs provide reliable and scalable solutions for manufacturing, process control, and infrastructure.

Key Features & Benefits

• Modular Scalability: Supports up to 32 modules per configuration via interface modules (IM360/361/365)

• Flexible Communication: Integrated MPI, optional PROFIBUS DP and PROFINET interfaces with 2-port switches

• Integrated Web Server: PROFINET CPUs feature built-in web server for diagnostic access and variable monitoring-

• High Processing Speed: Bit operation times as fast as 0.01 µs (CPU 319) for demanding applications

• Wide Temperature Range: SIPLUS versions available for -25°C to +60°C operation with conformal coating

• Robust Design: High electromagnetic compatibility, vibration and shock resistance

• Micro Memory Card (MMC) Required: All CPUs require SIMATIC MMC for operation and program storage

Typical Applications

• Manufacturing and production lines

• Process control (chemical, pharmaceutical, food & beverage)

• Material handling and logistics systems

• Motion control with multiple axes (T-CPUs)

• Safety-related automation (F-CPUs)

• Outdoor and harsh environment installations (SIPLUS)