Abstract
The industry mechanical shovel automation and the intellectualized degree are low, this article proposed makes the automated transformation to it the technical route and the concrete mentality, elaborated has carried on the automated control using PLC the plan; Uses the Mitsubishi PLC programmer to carry on the line control to the industry mechanical shovel control section, may very easy realize completes logic, the order, fixed time, functions and so on counting, digital operation, data processing, through the input output interface establishment and the industry mechanical shovel digit quantity and the simulation quantity's relation, realizes the production process automatic control, raised the production efficiency, has to other production machinery profits certainly from the significance.
key word: PLC control, industry mechanical shovel, line protection
