Schneider Electric TM3AI4 Analog Input Module

Schneider Electric's TM3AI4 is a four-channel analog input expansion module for the Modicon TM3 PLC family, available with a screw-terminal block and designed for DIN-rail mounting in TM3 I/O racks. It provides four analog input channels with a 12-bit resolution, enabling precise sampling of sensor signals on the TM3 bus. The module is powered from a 24V DC supply, and Schneider also offers a TM3AI4G variant with spring terminals for alternative wiring. As part of the Modicon TM3 analog I/O lineup, TM3AI4 integrates with TM3 control architectures for applications such as process monitoring, sensor interfacing, and general analog signal acquisition in compact automation setups.