Alstom SIRE-S3-1 Controller Unit

Alstom SIRE-S3-1 Controller Unit is a compact PLC module from Converteam/Alstom, identified by part number SIRE-S3-1 and categorized as a PLC/Machine Control controller within the SIRE system. It provides 800 to 1000 mA of current capacity and has an approximate weight of 4.75 pounds. The unit is described as discontinued by the manufacturer, reflecting its status as an older-generation component in Alstom’s SIRE lineup. Manufactured by CONVERTEAM ALSTOM, the SIRE-S3-1 functions as the controller module within SIRE control architectures, typically used as the central control element in industrial automation and signaling applications that rely on Alstom SIRE hardware.