Siemens 6ES7331-7KF02-0AB0 SIMATIC S7-300 Analog Input SM 331
The Siemens 6ES7331-7KF02-0AB0 is a SIMATIC S7-300 analog input module designed for multi-signal acquisition, accepting voltage, current, resistance, and thermocouple inputs across 8 isolated channels. It offers configurable 9/12/14-bit resolution with integrated linearization for thermocouples and supports 2-wire, 3-wire, and 4-wire transducer connections. Built on a standard 40-pin front connector, it mounts directly onto the S7-300 rack and is configured through STEP 7 hardware configuration.

