The 6ES7431-1KF00-0AB0 is a SIMATIC S7-400 analog input module (SM 431) with eight isolated analog inputs and 13-bit resolution. It belongs to the SM 431 family and is designed for use within the SIMATIC S7-400 PLC system. Regional Siemens catalogs list this model with a net weight of 0.759 kg and packaging dimensions of 23.10 cm x 30.10 cm x 3.80 cm. This 8-channel analog input option enables high-resolution signal capture for distributed analog sensing in an S7-400 installation.
