以下链接

http://support.automation.siemens.com/WW/skm/frameset.asp?url=%2FWW%2Fllisapi%2Edll%2F21226394%3Ffunc%3Dll%26objId%3D21226394%26objaction%3Dcsopen%26siteid%3Dcseus%26aktprim%3D0%26skm%3D1%26lang%3Den&Query=usb+pc+adapter&SearchArea=downl&id=21226394&F11Marker=true&siteid=csius&query2=&modelled=USB%3BPC%2DAdapter&lang=en







http://support.automation.siemens.com/WW/llisapi.dll?query=usb+pc+adapter&func=cslib.cssearch&content=skm%2Fmain.asp&lang=en&siteid=csius&objaction=cssearch&searchinprim=0&nodeid0=10805159