南自通华成套公司 NPM600系列智能配电仪表 规约解析文件-The the South since Tonghua sets NPM600 series intelligent power distribution instrumentation Statute parse the file

采用配电线载波系统 的配电自动化 第5-1部分：低层协议—扩频型移频键控 （S-FSK）规约 -Using distribution line carrier system, distribution automation the first 5-1 parts: the lower the agreement- spread-spectrum frequency-shift keying-type (S-FSK) of the Statute