RS Components 电工电料 PLC 附件 6ES7331-1KF02-0AB0 使用说明.pdf,Product data sheet 6ES7331-1KF02-0AB0 SIMATIC S7-300, ANALOG INPUT SM 331, OPTICALLY ISOLATED, 8 AI, 13 BIT RESOLUTION, U/I/RESISTANCE/PT100, NI100, NI1000, LG-NI1000, PTC / KTY, 66 MS MODUL