基于USS协议的变频器的远程控制.pdf

2003 20 6 Mech nic l Electric l Engineering M g zine Vol. 20 No. 6 2003 # 37 # 基于USS 协议的变频器的远程控制 张海军, 何 闻, 贾叔仕 ( , 310027) : 介绍USS 通信协议, 以德国西门子公司MM400/ 3 型变频器为例, 介绍了微机 变频器进行 通信的硬件接口依据该协议, 实现了以微机作为控制器, 在VC+ + 环境下编制程序对变频器进 行远程控制 :USS 协议; 微机; VC+ + ; 变频器; 远程控制 :TP393;TM344. 6 : B : 1001- 4551( 2003) 06- 0037- 03 Remote Control of Inverters Based on USS Protocol ZHANG H -i jun, HE Wen, JIA Shu-shi ( Inst itute of Modern Manuf act uring , Zhej iang University , H angz hou 310027, China) Abstract: The USS protocol is introduced in det il. H rdw re interf ces of communic tion between person l computers nd invert- ers re introduced with n ex mple of SIEMENS inverter MM400/ 3. According to this protocol, remote control of inverters is re l- ized with person l computers being controllers under the environment of visu l C+ + . Key words: USS protocol; person l computer; VC+ + ; inverter; remote control 1 , ( LGE) ( ADR) , , 1~ n , [ 1] , ; , ( BCC) , 1 , STX LGE ADR 1 2 , , n BCC 图1 通信报文的结构 2 USS [4] , STX: STX 1 ASCII , USS( univers l seri l protocol) 02hex, , LGE: LGE 1 , - USS , , , 2 1 31 ( LGE) , 256 LGE ( , , n) , (ADR) ( BCC)