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摘要:早期時候，運料小車電氣控制系統(tǒng)大多數(shù)都是繼電器—接觸器構(gòu)成的相對比較復雜的系統(tǒng)，這樣的系統(tǒng)存在著很多缺陷，例如設計周期長、成本高、體積大等等，沒有數(shù)據(jù)處理和通信功能，必須要有專業(yè)人員來負責操作。為了實現(xiàn)運料小車的自動化控制，將PLC應用到運料小車電氣控制系統(tǒng)。PLC運料小車電氣控制系統(tǒng)具有很多優(yōu)點，例如：控制速度快，便于安裝、維修和改造可靠性和可維護性好等等。隨著經(jīng)濟和科技的發(fā)展，運料小車的應用不斷擴大至各個領域，從手動到自動，逐漸形成了自動化、機械化。 本論文的主要內(nèi)容是：分析被控對象、明確控制要求；PLC選取型號；控制程序設計；控制流程設計。本論文基于PLC對自動送料裝車系統(tǒng)的控制，提出了用組態(tài)仿真的方法實現(xiàn)對自動送料裝車系統(tǒng)的監(jiān)控。首先，用PLC編程實現(xiàn)送料系統(tǒng)的基本功能。其次，畫出組態(tài)仿真畫面，定義組態(tài)變量，對組態(tài)中的一些基本量如（皮帶上物料的流動）進行仿真。然后，把PLC程序和組態(tài)結(jié)合，通過數(shù)據(jù)連接，實現(xiàn)通信。最后，運行PLC程序及組態(tài)仿真程序，實現(xiàn)組態(tài)對整個系統(tǒng)實時監(jiān)控。在實現(xiàn)組態(tài)控制時，本文詳細的介紹了MCGS軟件的編程及通信，使讀者很容易的了解MCGS軟件運行仿真過程。 關(guān)鍵詞 PLC；運料小車；控制系統(tǒng)；MCGS組態(tài)監(jiān)控
Abstract:The early time, material transport trolley electric control system is the most system is relatively complicated relay - contactor, this system has many defects, such as long design cycle, high cost, big volume and so on, without the function of data processing and communication, must have professional personnel to be responsible for the operation. In order to achieve automatic control of material transport trolley, the application of PLC to the electric control system. PLC material transport car electric control system has many advantages, such as: high speed, easy to install, repair and reconstruction of reliability and maintainability etc.. With the development of economy and technology, the application of material transport trolley expanded to various fields, from manual to automatic, and gradually formed the automation, mechanization. The main content of this paper is: analysis of the controlled object, the explicit control requirements; PLC selection model; control program; control flow design. In this paper, PLC control of automatic feed loading system based on the proposed implementation, monitoring of the automatic feed loading system with the method of configuration simulation. First, the realization of the basic functions of the feeding system with PLC programming. Secondly, draw the configuration simulation screen, define the configuration variables, the configuration of some basic variables such as (belt material flow) simulation. Then, the PLC procedure and the configuration combined, via the data connection, to achieve communication. Finally, moves the PLC procedure and the configuration simulation program, realizes the configuration of real-time monitoring of the whole system. In the implementation of configuration control, this paper introduces the programming and communication software MCGS, so that readers can easily understand the MCGS software simulation of operation process. Keywords PLC Transporter Car Control System MCGS Configuration Monitoring |
