The Compact CPU series represents the pinnacle of integrated automation control, specifically engineered for industrial environments that demand high processing performance and precise timing. By combining powerful processing capabilities with integrated digital and analog I/O, these controllers eliminate the need for extensive peripheral hardware, significantly reducing cabinet space and wiring complexity in automation equipment manufacturing.
Designed for versatility, these Compact CPUs support sophisticated technical process functions and seamless integration via PROFIBUS DP master/slave interfaces. Whether managing distributed I/O systems or handling specialized industrial tasks, these units ensure operational stability and high-speed execution, requiring only a SIMATIC Micro Memory Card (MMC) for full operational deployment.
| Model Series | CPU 313C / 314C Compact | I/O Integration | Integrated Digital & Analog |
|---|---|---|---|
| Interface Support | PROFIBUS DP Master/Slave | Special Features | Technical Process Functions |
| Connectivity | Secondary Serial Port (PtP) | Memory Requirement | SIMATIC Micro Memory Card (MMC) |
| Processing Speed | High-Performance Execution | I/O Expansion | Distributed I/O Connection |
| Application | Industrial Automation | Compatibility | S7-300 System Architecture |
Combining CPU and I/O in one compact unit reduces installation time and hardware footprint.
Optimized for high processing speeds to meet strict factory timing requirements.
Built-in technical process functions for handling specialized automation tasks with ease.
PROFIBUS DP interfaces enable seamless communication with distributed I/O systems.
Industrial-grade build quality designed for 24/7 operation in demanding environments.
MMC-based operation allows for quick program backups and rapid system recovery.
Seamlessly merge with S7-300 series and Variable Frequency Drives for holistic control.
Advanced programming interface for configuring technical process functions.
Real-time status tracking of PROFIBUS DP nodes and distributed I/O health.
Integrated diagnostics for analog and digital inputs to minimize downtime.
Efficient MMC management for rapid software deployment and versioning.
Flexible PtP serial port management for specialized device communication.
| Metric | Standard Modular PLC | Compact CPU Solution |
|---|---|---|
| Installation Cost | High (Multiple modules) | Low (Integrated) |
| Cabinet Space | Extensive Requirement | Highly Optimized |
| Wiring Complexity | High (Interconnects) | Minimal (Direct I/O) |
| Deployment Speed | Slow (Assembly needed) | Fast (Plug-and-Play) |
| Maintenance Effort | Complex Troubleshooting | Simplified Diagnostics |
Compact CPUs integrate the processor and I/O in a single unit, reducing the physical footprint, lowering wiring costs, and simplifying the overall system architecture.
Yes, an MMC is required for the CPU operation to store the program and system data, ensuring the device can boot and execute logic after power cycles.
Models equipped with the PROFIBUS DP interface act as a master, allowing them to connect and control multiple remote I/O stations across the factory floor.
These are specialized pre-programmed functions designed for high-speed tasks like counting, positioning, and pulse-width modulation, common in automation equipment.
Yes, the second serial port (Point-to-Point) allows the CPU to communicate with specialized hardware or legacy devices using serial protocols.
They are ideal for industrial automation equipment manufacturing, machine building, and factory automation where space and performance are critical.