工业以太网技术在我国的推广和宣传工作已经有3年的时间了,现如今以研讨会、巡回路演等各种形式的推广活动层出不穷,但本刊依然接到大量的读者来电、来信反映对此项技术处在知其然而不知其所以然的状态之中,为了使广大业界人士对此项技术有更深一步的解读,本刊新开辟新技术连载专栏(当然此专栏并不局限于工业以太网技术)。其本意就在于使读者消疑解惑,知其所以然。本期首先推出“PROFINET系统描述”(2006最新版)以飨读者。如读者有什么意见和建议可以与编辑部联系,我们将共同办好此专栏。 Industrial Ethernet technology in China’s promotion and publicity efforts have been three years, and now seminars, road shows and other forms of promotional activities after another, but the publication still received a large number of readers calls, the letter reflects the right This technology is in knowing its state of mind but I do not know why, in order to make the industry a deeper understanding of this technology, the new column opened a new technology column (of course, this column is not limited to Industrial Ethernet technology). Its purpose is to make the reader doubt doubts, know why. This issue first introduced “PROFINET System Description ” (2006 latest version) to readers. If readers have any comments and suggestions can contact with the editorial department, we will work together to complete this column.