| 詳細參數(shù) | |||
|---|---|---|---|
| 品牌 | GE | 型號 | IC697ALG234 |
| 結構形式 | 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 |
| 外形尺寸 | 10 | ||
IC697ALG234
IC697ALG234
IC697ALG234
IC697ALG234
2 在硫化機上使用可編程序控制器的優(yōu)點
(1)簡化輸入設備及其本身的接線,如萬能轉(zhuǎn)換開關、按鈕等可從復雜的多組組合簡化為單組組合。限位開關、按鈕等的接線可只接一組接點(常開或常閉),另一種狀態(tài)可通過PLC內(nèi)部識別,這樣大大地降低了外圍設備的接線姓。
(2)用軟件代替繼電器的傾接線.改變控制要求方便。PLC采用有微型計算機為核心的電子線路,是多種電子式繼電器、定時器和計數(shù)器的組合體,它們之間的連線(即內(nèi)部接線)通過指令用編程器進行.如果按照現(xiàn)場要求改變控制方式,修改控制線路,只需用編程器對指令進行修改即可,十分方便。
(3)用半導體元件將繼電器有觸點控制改為PLC無觸點控制,大大提高了。J靠性相穩(wěn)定性,將原繼電器盤控制裝町的故障,如繼電器線圈燒壞、線圈粘連、線閣吸合不緊、接點脫落等繼電器本身的故障徹底消除。
(4)擴展I/0饑架有兩種電源型號選擇:①使用100～120VAC或200～240VAC電源;②使用24VDC電源。輸入設備如按鈕、選擇開關、行程開關、壓力調(diào)節(jié)器等可用24VDC電源作為信號源,這樣可避免由于生產(chǎn)環(huán)境溫度過高而造成行程開關、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200～240VDC電源直接驅(qū)動電磁閥、接觸器等輸出負載。
(5) 除了有CPU錯誤、電池錯誤、掃描時間錯誤、存貯器錯誤、Hostink錯誤、遠程I/O錯誤等自診斷功能和能判斷PC機自身故障外,對應于I/O每一個點都有信號指示燈,指示I/0的0N/OFF狀態(tài),根據(jù)I/O指示燈的顯示可準確、快捷地判斷PLC外圍設備的故障。
(6)根據(jù)控制要求,可方便地構成最合適的系統(tǒng),且便于擴展。如果硫化機需增加和改進外圍控制系統(tǒng),在主CPU上再加擴展元件,以后設備需聯(lián)網(wǎng),可很方便地構成系統(tǒng)。
3 如何給硫化機編程
(1)確認硫化機正常運行的整個過程必須做那些動作,以及它們之間的相互關系。
(2)確定行程開關、按鈕等作為發(fā)送輸入信號到PLC的輸入設備所需的輸入點數(shù);電磁閥、接觸器等作為接收來自PLC輸出信號的輸出設備所需的輸出點數(shù)。然后給每一個輸入和輸出點指定一個I/0位,同時分配“內(nèi)部繼電器”(M)或工作位和計時器/計數(shù)器。
(3)根據(jù)輸出設備之間的相互關系和控制對象必須動作的順序(或時間),畫出梯形圖。
(4)如果使用PC(個人電腦),HMI(人機界面)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,并糾正錯誤,然后試運行程序,并觀察硫化機的運行,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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