IC5005TBX0110,IC5005TBX0110,IC5005TBX0110
可編程控制器相對于其它控制方式的優(yōu)點(diǎn)
(1)編程簡單,使用方便
梯形圖是使用得最多的可編程序控制器的編程語言,其符號與繼電器電路原理圖相似。有繼電器電路基礎(chǔ)的電氣技術(shù)人員只要很短的時(shí)間就可以熟悉梯形圖語言,并用來編制用戶程序,梯形圖語言形象直觀,易學(xué)易懂,。
(2)控制靈活,程序可變,具有很好的柔性
可編程序控制器產(chǎn)品采用模塊化形式,配備有品種齊全的各種硬件裝置供用戶選用,用戶能靈活方便地進(jìn)行系統(tǒng)配置,組成不同功能、不同規(guī)模的系統(tǒng)?删幊绦蚩刂破饔密浖δ苋〈死^電器控制系統(tǒng)中大量的中間繼電器、時(shí)間繼電器、計(jì)數(shù)器等器件,硬件配置確定后,可以通過修改用戶程序,不用改變硬件,方便快速地適應(yīng)工藝條件的變化,具有很好的柔性。
(3)功能強(qiáng),擴(kuò)充方便,性能價(jià)格比高
可編程序控制器內(nèi)有成百上千個(gè)可供用戶使用的編程元件,有很強(qiáng)的邏輯判斷、數(shù)據(jù)處理、PID調(diào)節(jié)和數(shù)據(jù)通信功能,可以實(shí)現(xiàn)非常復(fù)雜的控制功能。如果元件不夠,只要加上需要的擴(kuò)展單元即可,擴(kuò)充非常方便。與相同功能的繼電器系統(tǒng)相比,具有很高的性能價(jià)格比。
(4)控制系統(tǒng)設(shè)計(jì)及施工的工作量少,維修方便
可編程序控制器的配線與其它控制系統(tǒng)的配線比較少得多,故可以省下大量的配線,減少大量的安裝接線時(shí)間,開關(guān)柜體積縮小,節(jié)省大量的費(fèi)用?删幊绦蚩刂破饔休^強(qiáng)的帶負(fù)載能力、可以直接驅(qū)動一般的電磁閥和交流接觸器。一般可用接線端子連接外部接線?删幊绦蚩刂破鞯墓收下屎艿,且有完善的自診斷和顯示功能,便于迅速地排除故障。
3)支持OPC中間件。如竹菱電機(jī)提供的DeviceXPlorer OPC Server可為三菱電機(jī)的MELSEC系列PLC、橫河電機(jī)的FA-M3系列PLC、OMRON的SYSMAC系列PLC,以及豐田工機(jī)的TOYOPUC系列PLC提供軟件接口,與作為OPC客戶的應(yīng)用程序相互通信。
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