Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 6ES5315-8MA11 |
| Manufacturer | Siemens |
| Product Type | IM315 Interface Module (Expansion Rack Connection) |
| Series | SIMATIC S5 |
| Compatible Systems | S5-100U, ET 100U, ET 200U |
| Connection Capacity | 1 Expansion Rack (ER) per module set |
| Configuration | 2 modules + 0.5 m fixed cable |
| Expansion Rack Current Limit | 2.5 A max |
| Backplane Power Consumption | +9 V, approx. 1 mA |
| Insulation Voltage | 12 V AC |
| Test Voltage | 500 V AC |
| Permissible Potential Difference | ±1 V (backplane) |
| Operating Temperature | 0 °C to +60 °C |
| Protection Class | IP20 |
| Dimensions (W x H x D) | 45.4 x 135 x 39 mm |
| Weight | Approx. 0.28 kg |
| Product Status | Discontinued, no official replacement |
Main Features and Advantages
Dedicated Expansion for S5-100U Systems
The SIEMENS 6ES5315-8MA11 is purpose-built for the S5-100U platform and its ET-series derivatives, providing a straightforward path to increase I/O capacity . This module is the only option within the S5 family for expanding the compact S5-100U system, as it is not compatible with larger S5-115U, S5-135U, or S5-155U racks . When the base CPU’s slot capacity is exhausted, the SIEMENS 6ES5315-8MA11 allows a single expansion rack to be added, effectively extending the system’s capability without the need for a controller upgrade.
Integrated Design with Fixed Cable
A key differentiator of the SIEMENS 6ES5315-8MA11 is its set configuration, which includes both central and expansion rack modules pre-connected by a 0.5-meter cable . This integrated design simplifies procurement and installation, ensuring that the correct cable length and connector type are always provided. It is specifically intended for same-cabinet expansions where the expansion rack is located in close physical proximity to the central unit.
High Compatibility and Reliability
The SIEMENS 6ES5315-8MA11 is designed for plug-and-play integration, requiring no software configuration or parameterization . Its electrical isolation provides robust protection against electromagnetic interference common in industrial environments, ensuring stable data transfer between the central and expansion racks . With a minimal power draw from the backplane, the module does not place a significant burden on the system’s power budget .