The SIEMENS 6ES7231-5ND32-0XB0 is a SIMATIC S7-1200 analog input module (SM 1231) designed to add four precise measurement channels to your control system. It accepts voltage ranges of ±10 V, ±5 V, ±2.5 V, ±1.25 V and current inputs of 0–20 mA or 4–20 mA, making it suitable for a wide variety of sensors and transmitters. With 15-bit resolution plus sign bit, the module provides fine signal detail for monitoring and control tasks. Use it to capture accurate process values, integrate with S7-1200 logic, and simplify wiring and data acquisition in industrial automation setups.
