Characteristics and Development Trend of PLC
Yang Jinzun · Modern Electronics Technique · 2007
In recent 40 years,as the widely used industry-controlling computer,the PLC has occurred with its function become stronger and stronger as well as its application field broader and broader nowadays,the PLC is becoming the key controlling equipment in the filed of industry-controlling.It has played a more and more important role in almost each part of the world.Firstly,the paper looks back on the developing process of the PLC,then it mainly presents the PLC′s characteristics and application field,At last,it gives a prospect on the PLC′s future development.