Siemens 6GK1102-5AA00 Industrial Ethernet ELM

Siemens 6GK1102-5AA00 Industrial Ethernet ELM is a DIN-rail mounted SIMATIC NET electrical link module that provides three ITP ports and one AUI port for Industrial Ethernet connectivity. It operates from a redundant 24V DC power supply and includes a signalling contact for integration with plant control systems. As part of the SIMATIC NET family, the ELM complements the Optical Link Module (OLM) by bridging copper Ethernet segments within automated networks, enabling reliable multi-port copper communication in factory environments. This module is designed for use in SIMATIC NET Industrial Ethernet configurations to connect PLCs, I/O devices, and field controllers across distributed architectures, supporting straightforward expansion of copper network reach and robust inter-device data exchange. In catalogs, the model is listed as 6GK1102-5AA00, with some listings also referencing 6GK11025AA00 for the same Electrical Link Module family.