Overview

The Siemens 6ES5928-3UA12 is a central processing unit (CPU) designed for SIMATIC S5-135U and S5-155U PLC systems. It offers reliable performance for large-scale automation tasks, including logic control, sequencing, and real-time data processing. Known for its robust architecture and long-term reliability, the CPU 928 continues to be a trusted choice for legacy system maintenance and industrial upgrades.

This CPU module supports up to 2048 I/O points and features 192 KB of user memory, providing ample space for managing complex control logic and data structures. Its modular design allows for easy integration into existing S5 racks, while compatibility with STEP 5 software ensures efficient programming and diagnostics. The 6ES5928-3UA12 is especially suited for industries that require dependable control systems, such as manufacturing, energy, and infrastructure.

Additionally, this unit features 256 timers and 256 counters, enabling precise control over time-sensitive operations.  it remains widely available through industrial resellers and continues to serve as a valuable asset for long-term automation strategies.

Technical Specifications

Typical Applications

The Siemens 6ES5928-3UA12 CPU module is widely used in various industrial systems requiring stable and scalable control. Some typical applications include:

• Manufacturing: Manages robotic cells, conveyor systems, and batch processing lines to ensure smooth and synchronized operations.

• Power Generation: Controls turbine operations, load distribution, and grid synchronization to ensure efficient power production.

• Chemical Processing: Executes safety interlocks, process sequencing, and data logging to ensure safe and controlled operations.

• Water Treatment: Coordinates pump stations, filtration systems, and SCADA integration for monitoring and control of water treatment processes.

• Transportation: Supports tunnel ventilation, traffic control, and signaling systems for safe and efficient operation of transportation networks.

Its compatibility with legacy S5 platforms makes it particularly valuable for facilities with established infrastructure, providing a cost-effective solution for long-term automation.

FAQ

Q: What PLC systems is this CPU compatible with?
A: The 6ES5928-3UA12 CPU is compatible with Siemens SIMATIC S5-135U and S5-155U systems.

Q: How much user memory does it offer?
A: It provides 192 KB of RAM, allowing sufficient memory for programs and data blocks.

Q: How many I/O points can it support?
A: The CPU supports up to 2048 digital inputs and outputs.

Q: Is this module still in production?
A: The 6ES5928-3UA12 CPU has been discontinued but is still available through industrial resellers.

Q: What industries commonly use this CPU?
A: It is commonly used in manufacturing, energy, chemical processing, water treatment, and transportation industries.