品牌：SIEMENS/西门子型号：6ES7331-7NF10-0AB0输出频率：50（kHz）产品认证：CE6ES7331-7NF10-0AB0西门子S7300模拟量输入模块SIMATICS7-300,ANALOGINPUT***331,OPTICALLYISOLATED,8AE;+/-5/10V,1-5V,+/-20MA,0/4TO20MA,16BIT,1COMMONPOINT(60VCOM.),4CHANNELMODE:10MS,8CHANNELMODE:23-95MS,1X40PIN)