The Siemens 6ES5304-3UA11 (IM304) is a remote interface module designed for the Simatic S5-135/155 automation series. This module facilitates distributed system configurations by connecting expansion units to a central controller, supporting transmission distances of up to 600 meters. It serves as a critical link in complex architectures, ensuring deterministic communication and signal synchronization across geographically dispersed rack locations in heavy industrial environments.
The IM304 module is typically utilized in large-scale industrial facilities requiring distributed I/O, such as steel manufacturing plants, mining operations, and centralized utility control systems where physical distance between control racks necessitates reliable, long-range bus extension.
| Model | 6ES5304-3UA11 |
| Product Family | Simatic S5-135/155 |
| Interface Type | IM304 Remote Interface |
| Max Communication Distance | 600 meters |
| Power Supply | 5 VDC nominal (via backplane) |
| Operating Temperature | 0 to 60 degC |
The 6ES5304-3UA11 acts as an IM304 interface module to extend the communication bus of a Siemens Simatic S5-135/155 system, allowing for remote rack expansion up to 600 meters away from the central CPU.
This module is specifically engineered for the S5-135 and S5-155 series. Please consult your system documentation to ensure compatibility with your specific CPU and rack configuration.
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