Siemens S7-400 模块，SM 431,8AI，14 bit 0.416 ms，6ES7431-1KF20-0AB0

SIMATIC S7-400, SM 431         

ANALOG INPUT MODULE            

OPTIC. ISOLATED, 8 AI,         

14 BIT RESOLUTION, U/I/RESIST. 

0.416 MS SCAN TIME