The SIPLUS S7-300 SM 331 8AI (6AG1331-7PF11-4AB0) is an analog input module from Siemens, designed for SIMATIC S7-300 systems. \nIt features 8 analog inputs (AI) for thermocouples (types B, E, J, K, L, N, R, S, T, TXK/TXK (L) per GOST), with 16-bit resolution, 50 ms \nmeasurement time, and potential isolation. The module connects via a 1x 40-pin connector. Equipped with conformal coating and capable of operating \nin a temperature range of 0 to +60 °C, it is suitable for industrial environments. DIN rail mounting and a compact design ensure easy installation \nin control cabinets while saving space. It is used in industrial automation systems, particularly for temperature measurement and precise processing of analog signals.