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Product Overview
The Siemens 6ES5925-3SA11 central processing unit serves as the primary computational engine for SIMATIC S5-115U programmable controllers. This CPU executes user logic, processes I/O signals, and manages data communication for connected automation devices. It fits directly into standard S5 rack systems. The processor delivers reliable performance for medium-scale industrial control applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | 6ES5925-3SA11 |
| Product Type | Central Processing Unit (CPU) |
| Brand | Siemens |
| Category | PLC CPUs |
| Compatibility | SIMATIC S5-115U |
| Memory Capacity | 32 KB |
| Memory Type | RAM |
| Integrated I/O Points | 16 digital inputs / 16 digital outputs |
| Weight | Approximately 0.35 kg |
| Dimensions | 233 mm x 25 mm x 158 mm (H x W x D) |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 70°C |
| Protection Class | IP20 |
Key Features and Benefits
Efficient Program Execution
The 6ES5925-3SA11 processes user-defined logic quickly and reliably. It handles complex control sequences without performance degradation. This efficiency ensures smooth machine operation and precise timing.
Integrated I/O Capability
This CPU includes 16 digital inputs and 16 digital outputs on board. These integrated points reduce the need for additional I/O modules. Users can connect basic field devices directly to the CPU.
Advanced Communication Support
The processor interfaces with external devices through its built-in communication ports. This connectivity enables seamless integration with HMI panels and supervisory systems. Operators gain comprehensive system access and monitoring.
Compact and Robust Design
This central processing unit occupies a single slot and weighs only 0.35 kg. Its compact design saves valuable cabinet space. The robust construction ensures long-term reliability in industrial environments.
Application and Use Cases
The Siemens 6ES5925-3SA11 suits packaging lines, conveyor systems, and process control applications. It also provides centralized intelligence for standalone machines with moderate I/O requirements. Maintenance teams will find this CPU a dependable replacement for existing S5-115U controllers.