第1个回答 2006-12-18
The content abstract in order to enhance the automatic control system the reliability and the equipment working efficiency, has designed a set take PLC as the core controller elevator automatic control system, uses for to substitute for the former more complex relay contact device control. The system core were partial (control section) to use F1-40MR PLC which the Japan Mitsubishi Corporation produced, because used in the core control section is the software procedure control, thus in guaranteed elevator normal operation this request in the situation, the big enhancement elevator malfunction finding and the service convenience and easy, has meanwhile overcome some jamming factors which the manual operation brought, has obtained the good economic efficiency and the social efficiency.
第2个回答 2006-12-16
Contents summary
For raising the credibility of the automatic control system and the work efficiency of the equipments, design a set of take PLC as the core controller of the elevator auto control system, using to replace former more complicated of after electric appliances-the contact machine control.The core part(control part) of the system used a Japanese Mitsubishi company to produce of the F1 - 40 MR type PLC is the software procedure control in the core because of what to control the part adoption, thus Be promising the elevator circulates normally under the circumstance of[with] this request, raised elevator to break down check and the convenience and easy for maintain consumedly, still overcame to move an operation some artificial interference factors bring in the meantime, obtain the good economic performance and social performance.本回答被提问者采纳