品牌：SIEMENS/西门子型号：6ES7870-1AA01-0YA0工作电压：-（V）输出频率：-（kHz）产品认证：ce6ES7870-1AA01-0YA0SIMATICS7,MODBUSMASTERV3.1SINGLELICENSEF.1INSTALLATIONR-SW,SWANDDOCU.ONCD,HW-DONGLE,CLASSA,3LANGUAGES(G,E,F),EXECUTABLEU.STEP7FROMV4.2,REFERENCE-HW:CP341ANDCP441-2)