This paper introduces rebuilding electric control system of portal crane drived by DC and the application of digital DC speed controller,PLC and touchable industrial graphic monitoring system.

 
  • 简要介绍直流驱动的门机电控系统改造,包括数字式直流调速器、PLC和触摸式工业图形监控系统的应用。
今日热词
目录 附录 查词历史