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The Siemens 6ES5947-3UR21 is a high-performance CPU 947R processor module designed for the SIMATIC S5 automation system. As a critical component in legacy S5 control architectures, this module provides the central processing logic required for complex industrial automation tasks. Please note that this product has been discontinued by the manufacturer and is often utilized as a direct replacement or spare for existing S5 installations. It is functionally compatible with the 948R series in specific application contexts.
This processor module is primarily used in legacy manufacturing plants, power generation facilities, and heavy industrial processes that rely on the SIMATIC S5 platform. It is suitable for maintenance, repair, and operations (MRO) support for systems currently in service.
| Manufacturer | Siemens |
| Model Number | 6ES5947-3UR21 |
| Product Type | CPU 947R Processor Module |
| System Series | SIMATIC S5 |
| Status | Discontinued by Manufacturer |
| Weight | 0.5 kg |
No, this module has been discontinued by Siemens. It is available primarily through secondary market channels for maintenance and support of legacy systems.
The 6ES5947-3UR21 is often cited as a replacement for the 948R series; however, users should verify their specific system configuration and firmware requirements before installation to ensure full compatibility.