Product Description
Siemens 6ES5928-3UA21 SIMATIC S5 CPU 928A Central Controller Module
High-reliability industrial automation component tested and verified for mission-critical manufacturing, robotic automation, and CNC drive environments.
Technical Specifications
| Manufacturer Part Number (MPN) | 6ES5928-3UA21 |
| Product Reference (SKU) | 6ES59283UA21-04 |
| Brand / Manufacturer | SIEMENS |
| Hardware Condition | Used (100% Tested & Verified) |
| Warranty Protection | 6-Month Direct Replacement Warranty |
| System Compatibility | Siemens SIMATIC S5-135U and S5-155U Central Racks |
Quality Assurance & Functional Testing
Memory cycle test executed, program downloaded and verified in RUN mode, battery backup circuit tested, port communications checked.
Compatibility & Installation Notes
Check battery status before mounting. Secure into CPU slot using captive screws. Observe ESD precautions.
