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The Siemens 6ES5928-3UA11, also known as the CPU 928A, is a high-performance processor module designed for the SIMATIC S5 automation system. Specifically engineered for use within the S5-135U and S5-155U programmable logic controller (PLC) families, this module serves as the central processing unit responsible for executing user programs, managing I/O data, and coordinating communication across the backplane bus. As a legacy component, this unit is essential for maintaining and extending the operational life of existing S5-based industrial control systems.
The CPU 928A is primarily utilized in large-scale industrial automation applications where the SIMATIC S5-135U or 155U platforms are deployed. Typical environments include heavy manufacturing, power generation facilities, chemical processing plants, and legacy material handling systems that require high-reliability control logic.
| Product Model | 6ES5928-3UA11 |
| Series | SIMATIC S5 |
| Module Type | CPU 928A Processor |
| Compatibility | S5-135U / S5-155U |
| Manufacturer | Siemens |
| Tariff Code | 8537109060 |
No, the 6ES5928-3UA11 has been discontinued by Siemens. It is typically sourced as a spare part for the maintenance of legacy SIMATIC S5 systems.
This module is specifically designed for the SIMATIC S5-135U and S5-155U programmable controller series.