Siemens 6ES5301-3AB13 PLC Module

Siemens 6ES5301-3AB13 is an IM301 interface module for SIMATIC S5 systems that enables decentralized connections between distributed units and the central controller, typically supporting distances up to 200 meters in standard installations. The compact IM301 design is used to link EU (distributed units) with the central controller (CC) or EU with its own power supply, fitting into classic S5 configurations such as S5-115U, S5-135U, and S5-155U. Some listings indicate a fiber-optic interface option within the IM301 family for S5 applications, reflecting variants of this interface module. In Siemens’ established S5 automation ecosystem, the 6ES5301-3AB13 functions as a key bridge for reliable centralized/decentralized communication across distributed I/O points.