说明: Motivation Programmable Logic Controllers (PLC), a computing device invented by Richard E. Morley in 1968, have been widely used in industry including manufacturing systems, transportation systems, chemical process facilities, and many others. At th <mys0103> 上传 | 大小:38kb
说明: The working principle of the programmable logic controller and the computer is consistent basically, finish the task through the application in brief the expression of manager. But the PC and the programmable logic controller is different in the wor <mys0103> 上传 | 大小:22kb