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The Siemens 6ES5580-3UA12 is a specialized CP580 Communications Processor designed for high-performance data handling within the Siemens Simatic S5-135U and S5-155U PLC environments. This module functions as an independent computing engine, featuring 40 MB of integrated hard disk storage and 8 MB of local RAM. By offloading complex communication routing, data preprocessing, and visualization tasks from the primary CPU, the CP580 ensures that the main automation backplane maintains optimal scan velocities and system responsiveness.
This processor is engineered for demanding industrial environments where high-volume data traffic is present. Typical applications include deep-pit mining conveyor control, thermal power plant turbine loop monitoring, and heavy metallurgical rolling mill automation, where it serves as a localized data concentrator or terminal host.
| Model | 6ES5580-3UA12 |
| Module Type | CP580 Communications Processor |
| Compatibility | Simatic S5-135U / S5-155U |
| Fixed Storage | 40 MB |
| Volatile Memory | 8 MB RAM |
| Operating Temperature | 0 to 55 deg C |
| Storage Temperature | -40 to 70 deg C |
| Relative Humidity | 5% to 95% non-condensing |
| Power Source | Internal backplane sub-bus |
No, the module draws its required logic power directly from the Simatic S5 backplane sub-bus. Ensure your rack power supply is sized correctly to account for the module's power consumption.
The 6ES5580-3UA12 is specifically designed for the Simatic S5-135U and S5-155U series chassis. It is not intended for use in smaller S5 rack formats.

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