| 詳細(xì)參數(shù) | |||
|---|---|---|---|
| 品牌 | GE | 型號(hào) | IC697ALG234 |
| 結(jié)構(gòu)形式 | 模塊式 | 安裝方式 | 控制室安裝 |
| LD指令處理器 | 硬PLC | I/O點(diǎn)數(shù) | IC697ALG234 |
| 功能 | IC697ALG234 | 工作電壓 | 220 |
| 輸出頻率 | 220 | 處理速度 | 20 |
| 程序容量 | 10 | 數(shù)據(jù)容量 | 20 |
| 產(chǎn)品認(rèn)證 | ccc | 環(huán)境溫度 | 10 |
| 環(huán)境濕度 | 10 | 加工定制 | 否 |
| 重量 | 1 | 產(chǎn)地 | 美國(guó) |
| 外形尺寸 | 10 | ||
IC697ALG234
IC697ALG234
IC697ALG234
IC697ALG234
2 在硫化機(jī)上使用可編程序控制器的優(yōu)點(diǎn)
(1)簡(jiǎn)化輸入設(shè)備及其本身的接線(xiàn),如萬(wàn)能轉(zhuǎn)換開(kāi)關(guān)、按鈕等可從復(fù)雜的多組組合簡(jiǎn)化為單組組合。限位開(kāi)關(guān)、按鈕等的接線(xiàn)可只接一組接點(diǎn)(常開(kāi)或常閉),另一種狀態(tài)可通過(guò)PLC內(nèi)部識(shí)別,這樣大大地降低了外圍設(shè)備的接線(xiàn)姓。
(2)用軟件代替繼電器的傾接線(xiàn).改變控制要求方便。PLC采用有微型計(jì)算機(jī)為核心的電子線(xiàn)路,是多種電子式繼電器、定時(shí)器和計(jì)數(shù)器的組合體,它們之間的連線(xiàn)(即內(nèi)部接線(xiàn))通過(guò)指令用編程器進(jìn)行.如果按照現(xiàn)場(chǎng)要求改變控制方式,修改控制線(xiàn)路,只需用編程器對(duì)指令進(jìn)行修改即可,十分方便。
(3)用半導(dǎo)體元件將繼電器有觸點(diǎn)控制改為PLC無(wú)觸點(diǎn)控制,大大提高了。J靠性相穩(wěn)定性,將原繼電器盤(pán)控制裝町的故障,如繼電器線(xiàn)圈燒壞、線(xiàn)圈粘連、線(xiàn)閣吸合不緊、接點(diǎn)脫落等繼電器本身的故障徹底消除。
(4)擴(kuò)展I/0饑架有兩種電源型號(hào)選擇:①使用100～120VAC或200～240VAC電源;②使用24VDC電源。輸入設(shè)備如按鈕、選擇開(kāi)關(guān)、行程開(kāi)關(guān)、壓力調(diào)節(jié)器等可用24VDC電源作為信號(hào)源,這樣可避免由于生產(chǎn)環(huán)境溫度過(guò)高而造成行程開(kāi)關(guān)、壓力調(diào)節(jié)器等短路現(xiàn)象,提高了維修工人的安全性,降低了維修工作埠。輸出端可通過(guò)200～240VDC電源直接驅(qū)動(dòng)電磁閥、接觸器等輸出負(fù)載。
(5) 除了有CPU錯(cuò)誤、電池錯(cuò)誤、掃描時(shí)間錯(cuò)誤、存貯器錯(cuò)誤、Hostink錯(cuò)誤、遠(yuǎn)程I/O錯(cuò)誤等自診斷功能和能判斷PC機(jī)自身故障外,對(duì)應(yīng)于I/O每一個(gè)點(diǎn)都有信號(hào)指示燈,指示I/0的0N/OFF狀態(tài),根據(jù)I/O指示燈的顯示可準(zhǔn)確、快捷地判斷PLC外圍設(shè)備的故障。
(6)根據(jù)控制要求,可方便地構(gòu)成最合適的系統(tǒng),且便于擴(kuò)展。如果硫化機(jī)需增加和改進(jìn)外圍控制系統(tǒng),在主CPU上再加擴(kuò)展元件,以后設(shè)備需聯(lián)網(wǎng),可很方便地構(gòu)成系統(tǒng)。
3 如何給硫化機(jī)編程
(1)確認(rèn)硫化機(jī)正常運(yùn)行的整個(gè)過(guò)程必須做那些動(dòng)作,以及它們之間的相互關(guān)系。
(2)確定行程開(kāi)關(guān)、按鈕等作為發(fā)送輸入信號(hào)到PLC的輸入設(shè)備所需的輸入點(diǎn)數(shù);電磁閥、接觸器等作為接收來(lái)自PLC輸出信號(hào)的輸出設(shè)備所需的輸出點(diǎn)數(shù)。然后給每一個(gè)輸入和輸出點(diǎn)指定一個(gè)I/0位,同時(shí)分配“內(nèi)部繼電器”(M)或工作位和計(jì)時(shí)器/計(jì)數(shù)器。
(3)根據(jù)輸出設(shè)備之間的相互關(guān)系和控制對(duì)象必須動(dòng)作的順序(或時(shí)間),畫(huà)出梯形圖。
(4)如果使用PC(個(gè)人電腦),HMI(人機(jī)界面)或FCP30(PLC編程軟件)就可以直接用梯形圖邏輯編PLC程序。
(5)利用PC檢查程序,并糾正錯(cuò)誤,然后試運(yùn)行程序,并觀(guān)察硫化機(jī)的運(yùn)行,是否與我們的要求相一致,然后修改程序,直到程序最完善。
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