The Siemens 6ES7288-3AE04-0AA0 is a 4-channel analog input module for the SIMATIC S7-200 SMART family, designated SM AI04. It accepts voltage ranges of 0...10 V, 0...5 V, ±5 V, ±2.5 V, or current signals of 0/4...20 mA, with a 12-bit ADC (11-bit + sign in voltage mode). The module draws 80 mA from the backplane 5 V rail and requires a 24 VDC supply (20.4 to 28.8 V).
The 12-bit resolution (11-bit + sign in voltage mode) is standard for general-purpose analog monitoring — adequate for pressure, level, or temperature transmitters with 0-10 V or 4-20 mA outputs. The module does not accept thermocouple inputs directly; you'll need an external signal conditioner for Type J/K/T. The 24 VDC supply range (-15/+20 %) means it runs on standard 24 V control power without a separate regulator.