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Central Processing Unit for SIMATIC S5-115U Controllers
The Siemens 6ES5735-2CF00 central processing unit serves as the main controller for SIMATIC S5-115U programmable automation systems. This CPU integrates a 16-bit processor with substantial memory capacity for medium to large-scale control tasks. It supports up to 128 I/O modules and offers comprehensive communication capabilities for system integration.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model | 6ES5735-2CF00 |
| Series | SIMATIC S5-115U |
| Product Type | Central Processing Unit (CPU) |
| Processor | 16-bit microcontroller |
| Program Memory (RAM) | 40 KB (battery-backed) |
| Program Memory (EPROM) | 40 KB (integrated, replaceable) |
| Data Memory (RAM) | 10 KB |
| Memory Expansion | Up to 80 KB via plug-in EPROM |
| Program Execution Speed | ~1.8 ms for 1K binary instructions |
| I/O Addressing Capacity | 1024 bytes |
| Timers | 64 |
| Counters | 64 |
| Interfaces | 1 x 20mA (TTY) for programmer |
| Interfaces | 1 x SINEC L2 LAN (optional via adapter) |
| Supported Expansion | Up to 128 S5-100U/115U I/O modules |
| Power Supply | 24V DC via backplane |
| Operating Temperature | 0°C to 60°C |
| Weight | 0.7 kg |
| Dimensions (W x H x D) | 50 x 120 x 116.4 mm |
| Protection Rating | IP20 |
Powerful Processing for Complex Applications
The Siemens 6ES5735-2CF00 executes 1,000 binary instructions in approximately 1.8 milliseconds for fast system response. This processing speed supports demanding applications like process control, material handling, and sophisticated manufacturing operations. The 16-bit architecture efficiently handles arithmetic operations and complex logical evaluations.
Extensive Memory Resources
This CPU provides 40 KB of battery-backed RAM for storing user programs and system data. It also features 40 KB of integrated EPROM for retaining critical parameters without battery power. Engineers can expand memory up to 80 KB using an optional plug-in EPROM module. The large memory capacity accommodates extensive programs with numerous logic rungs and data structures.
Superior I/O and Resource Capacity
The processor addresses up to 1024 bytes of I/O, supporting a maximum of 128 modules for large installations. It includes 64 timers and 64 counters for comprehensive sequence and event control. This resource capacity suits systems requiring extensive field device connectivity and coordinated operations.
Communication Flexibility
This CPU includes a 20mA (TTY) current loop interface for connecting programming devices and operator panels. It also supports an optional SINEC L2 LAN adapter for integration into distributed automation networks. These connectivity options ensure flexible system architectures and straightforward commissioning.