Siemens 6ES5451-5AA13 SIMATIC Interface Module

Siemens 6ES5451-5AA13 is a 16-channel digital output interface module for the SIMATIC S5 family, designed to provide controlled 24 V DC outputs and expand the output capability of legacy S5-130 and S5-150 PLC configurations. Each of the sixteen outputs delivers 24 V DC with a maximum current of 0.5 A per channel, enabling direct energization of common 24 V loads such as relays, contactors, lamps, and other actuators from the S5 control logic, while integrating with the SIMATIC S5 I/O architecture for coherent programmatic control. Identified by the 6ES5451-5AA13 part number, this module sits within Siemens’ SIMATIC S5 digital output lineup and is a standard option for extending I/O in older automation systems that rely on 24 V DC peripherals.