6ES7331-7NF00-0AB0

SIMATIC S7-300, ANALOG INPUT SM 331, OPTICALLY ISOLATED, 8 AE; +/-5/10V, 1-5 V, +/-20MA, 0/4 TO 20MA, 16 BIT (55 MS), 1 COMMON POINT(50 V COM.), 1 X 40 PIN

Source : Siemens