This central unit serves as the main processor for SIMATIC S5 automation systems. It executes user programs and manages all system I/O operations efficiently. The module provides powerful computing capabilities for medium to large control applications. Its robust design ensures continuous operation in demanding industrial environments.
Processor Architecture and Memory Configuration
The central unit features a high-performance 16-bit microprocessor for real-time control. It stores application programs and system parameters in onboard memory modules. The processor handles both bit and word processing operations simultaneously. An integrated coprocessor manages communication tasks independently.
| Parameter | Specification |
|---|---|
| Model | 6ES5188-3UA11 |
| Processor Type | 16-bit microprocessor |
| Clock Speed | 24 MHz |
| Program Memory | 64 KB (expandable) |
| Data Memory | 32 KB |
| Memory Expansion | Up to 256 KB total |
| Execution Speed | 0.8 µs per bit instruction |
| Processing Time | 12 µs per word instruction |
| Max Digital I/O Points | 2048 |
| Max Analog Channels | 128 |
| Timer/Counter Capacity | 128 timers, 128 counters |
| Programming Languages | Ladder, STL, CSF |
| Communication Ports | 1 x RS-232C, 1 x TTY |
| Power Supply | 24 V DC ±10%, 1.2 A |
| Power Consumption | 28.8 W maximum |
Physical Dimensions and Rack Mounting
This central unit measures 230 mm in height, 50 mm in width, and 210 mm in depth. Its sturdy housing weighs approximately 1.8 kg. You can mount the unit in the first slot of the SIMATIC S5 rack. The module locks securely with the built-in retention mechanism.
Communication and Programming Interfaces
The 6ES5188-3UA11 includes two serial ports for versatile connectivity. One RS-232C port connects to programming devices and HMI panels. The TTY interface supports current-loop communication for legacy equipment. The unit also supports PROFIBUS through optional adapter modules.
Memory Management and Expansion Options
You can expand program memory using optional memory sub-modules. The unit supports both RAM and EEPROM memory expansion types. An internal battery maintains program data for approximately 3 years. The module includes automatic memory verification during startup.
Diagnostic Features and Fault Detection
LED indicators display CPU status and fault conditions clearly. The module detects memory errors and program execution faults. It also monitors power supply voltage and internal temperature. A watchdog timer resets the processor during software malfunctions.
System Integration and Compatibility
This central unit works with all SIMATIC S5 I/O modules. It supports both local and remote expansion rack configurations. The module coordinates with S5-115U and S5-135U system families. You can integrate it into existing S5 installations seamlessly.
Details
| Weight | 0.5 kg |
|---|---|
| Dimensions | 250 × 25 × 210 mm |
Reviews
There are no reviews yet.