Siemens 6ES5 315-8MA11 Simatic S5 Interface Module

Siemens 6ES5 315-8MA11 SIMATIC S5 Interface Module is an IM-class module designed for the classic SIMATIC S5 system, typically paired with an S5-100U backplane to bridge external I/O and peripheral devices to the S5 bus. The 6ES5 315-8MA11 designation is the Siemens catalog reference for this interface module, and supplier listings commonly note revisions such as E01 or E04, a detail that matters when matching with existing hardware or firmware. As part of the S5-100U ecosystem, this module acts as the communication bridge between the central processing unit (CPU) and distributed I/O, enabling proper bus signaling and data exchange across the backplane with the reliability Siemens automation components are known for. When sourcing, verify you are requesting the exact part 6ES5 315-8MA11 and the correct revision (for example E01 or E04) to ensure compatibility with your S5 installation and avoid cross-series mismatches.