Siemens 6ES5 318-8MB13 Interface Communication Module (IM318-B) is a slave interface that connects an ET200U distributed I/O station to a Profibus-DP network within SIMATIC S5 environments. The part is listed as 6ES5 318-8MB13 and is also cataloged under 6ES53188MB13 (with alternate listing 6ES5318-8MB13), serving specifically as the interface between ET200U I/O and a Profibus-DP master. Installed in the ET200U rack, this module enables Profibus-DP communication for remote I/O data exchange and status diagnostics in Siemens automation systems.
