The elevator is top hotels, high-rise residential, multi-layer plant and multi-layer warehouse high-rise building indispensable of vertical transportation tools. The development of the elevator has a long history, there are many, no matter how many kinds, its principle is and similar. Previous elevator is used mostly "relay logic" control, this control failure rate is high, transformation difficulty.
With the development of science and technology, PLC and inverter and other technology in the elevator control a wide range of applications, people on the elevator demands more and more is also high. In view of the above problem, this design USES the PLC and inverter of elevator control etc. PLC has high reliability, easy maintenance, programming is convenient wait for a characteristic, make elevator safety operation and reliable. Adopted ladder diagram and debugging of design programming statements.
Lift is the top hotels, high-rise residential, multi-plant and multi-storey high-rise buildings such as warehouses vertical indispensable means of transport. A long history of development of the elevator, there are many kinds, regardless of how many species, and its principle is similar. Most of the previous lift a "relay logic" control, the control failure rate, reform difficult.
With the development of science and technology, PLC and inverter control technology in the elevator has been widely used, people demand more and more elevator. To solve the above problems, this design uses PLC and inverter control of the elevator. PLC with high reliability, easy maintenance, programming and convenient, making the safe operation of the elevator, and reliable. Ladder diagram and programming statements used to debug the design.
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