您好，请参考如下文档：
1.http://www.ad.siemens.com.cn/productportal/Prods/SINAMICS%20V90/11_Epos%20Control%20Mode.html
2.http://www.ad.siemens.com.cn/productportal/Prods/SINAMICS%20V90/13_PN%20Control%20Function.html
3.http://www.ad.siemens.com.cn/productportal/Prods/SINAMICS%20V90/03_V90PNS71200.html
4.http://www.ad.siemens.com.cn/productportal/Prods/SINAMICS%20V90/04_V90PNS71500.html