Siemens 6ED1055-1MA00-0BA2 Analog Input Module

Siemens 6ED1055-1MA00-0BA2 is a LOGO! AM2 analog input expansion module for the LOGO! 8 family, adding two independent analog inputs to expand sensing capabilities without a full PLC upgrade. Each channel accepts either voltage in the 0 to 10 V range or current in the 0 to 20 mA range, with configurable options that may include 0 mA or 4-20 mA for current loops; resistance thermometer inputs (Pt100/Pt1000) are not supported. The module is powered from the LOGO! system supply, with a nominal 12 V or 24 V DC input and an operational range of approximately 10.8 to 28.8 V DC. It mounts on a 35 mm DIN rail and occupies two spacing units in width, designed for compact installations alongside a LOGO! controller. EMC compliance includes emission characteristics aligned with EN 55011, class B (suitable for residential environments). As part of the LOGO! AM2 expansion family, it provides straightforward integration via the dedicated expansion interface, enabling two-channel analog sensing within small-scale automation projects. Typical applications include sensor interfacing for building automation, HVAC monitoring, and lightweight process measurement where two concurrent analog signals are required and space is at a premium. This expansion module complements the LOGO! 8’s compact I/O footprint, allowing users to capture and process analog signals such as 0–10 V sensor outputs or 4–20 mA loop currents directly in the same cabinet without adding a larger PLC system.