Reference: RBD-475
S7-300 SM 331 6ES7 331-7KF01-0AB0
Model: S7-300, SM 331 Part No: 6ES7 331-7KF01-0AB0 Made in Germany SIMATIC S7-300, ANALOG INPUT SM 331, FLOATING, 8AI, RESOLUTION 9/12/14 BITS, U/I/THERMOCOUPLE/RESISTANCE ALERT, DIAGNOSTICS; 1X20PIN REMOVE/INSERT W. BACKPLANE BUS