The Schneider Electric 170AAI52040 is a four-channel differential analog input module designed for the Modicon Momentum automation platform. This module offers precise signal measurement capabilities, making it ideal for applications requiring accurate analog input processing. It supports differential analog input ranges of ±100 mV and ±25 mV, with a full 16-bit signed data format, ensuring high-resolution readings. The module is compatible with various temperature probe types, including Ni 100, Ni 1000, Pt 100, Pt 1000, and multiple thermocouple types such as B, E, J, K, N, R, S, and T. With an update time of 500 ms, it provides timely data refreshes suitable for dynamic industrial processes. The module features robust isolation, with 400 V DC between channels and 500 V AC between channels and ground, ensuring safe operation in complex systems. Its compact dimensions (125 mm height, 141.5 mm width, 47.5 mm depth) and lightweight design (0.215 kg) facilitate easy integration into existing setups. The 170AAI52040 is CE certified, indicating compliance with European safety standards. This module is well-suited for applications in infrastructures, energy, material handling, and simple machine control, where precise analog input processing is essential.