http://www.ad.siemens.com.cn/service/answer/solution.aspx?Q_ID=55739&cid=1028

Siemens Industry Online Support - Automation Service, Automation Support, Simatic Service, Simatic Support, Technical Support, Technical Consulting

http://support.automation.siemens.com/CN/llisapi.dll?func=cslib.csinfo&objId=23450941&load=treecontent&lang=zh&siteid=cseus&aktprim=0&objaction=csview&extranet=standard&viewreg=CN
看看这两个。