【摘要】 本文主要介绍可编程控制器在电梯电控系统中的应用。通过对系统硬件设计方法和程序设计思路的介绍，给出了对老式电梯逻辑控制部分进行改造的方法，对改造老式电梯，提高国产电梯的技术水平和质量具有重要的参考价值。更多还原

【Abstract】 The implement of PLC in elevator electric control system is presented in this paper. The reconstructive method of logic control part of demoded elevator is also described by providing system hardware design and program design clues. It is important for the reconstruction of demoded elevator and the improvement of technology and quality of native elevators.更多还原