light the indicator constitute and
§ for the control system of integral whole.The this
machine control unit adoption carries on whole process a control to the machine by the
programmable controller PLC of Mitsubishi company.
The whole system passes PLC, logic control the electric circuit is to the rise and fall of
elevator;Add, decelerate;Even layer;Start, make to move a control.Its structure is simple and
circulate an efficiency, even layer accuracy, be easy to comprehension and control.
Key Words:
The PLC controls system
elevator
The logic controls electric circuit