Siemens S7-300,8AI（16bit），6ES7331-7NF00-0AB0 模拟量输入模块

 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