7ML1013-1AA00-3AC0
7ML1013-1AA00-3AC0產(chǎn)品描述：
工業(yè)自動(dòng)化程度在日趨提高，對(duì)控制要求也越高，而對(duì)控制外圍設(shè)備較多，控制精度要求較高的軋機(jī)來(lái)說(shuō)，合理配置工控產(chǎn)品達(dá)到控制要求和目的就顯的比較重要了。 1.軋機(jī)的控制硬件，選用西門(mén)子產(chǎn)品：用西門(mén)子6RA70直流調(diào)速裝置作傳動(dòng)，西門(mén)子S7—300PLC作系統(tǒng)控制，S7—400PLC作液壓AGC厚度控制，研華工控機(jī)IC610作監(jiān)控及編程調(diào)試之用?！ ? 系統(tǒng)的拓?fù)鋱D示意如下：
具體控制如下： （1） S7—400PLC作AGC控制，配以模擬量輸入/輸出板，高速計(jì)數(shù)板進(jìn)行數(shù)據(jù)采集及AGC輸出伺服閥閉環(huán)控制，由于S7—400PLC處理速度快、循環(huán)時(shí)間短，達(dá)到快速響應(yīng)、提高板帶材厚度精度的目的。 （2） S7—300PLC作系統(tǒng)的控制，配以ET200從站安放在各操作箱和各閥站，實(shí)現(xiàn)了分散式省線配置，提高可靠性、穩(wěn)定性和維護(hù)性，并且通過(guò)DP接口板與直流驅(qū)動(dòng)器6RA70進(jìn)行高速數(shù)據(jù)傳輸，用于協(xié)調(diào)控制各直流電機(jī)的運(yùn)轉(zhuǎn)和接收各電機(jī)工作狀態(tài)及數(shù)據(jù)，同時(shí)配T400工藝板,進(jìn)行卷取的張力補(bǔ)償、直徑計(jì)算、圈數(shù)計(jì)算等，達(dá)到加減速、勻速狀態(tài)下的張力恒定和實(shí)現(xiàn)自動(dòng)停車(chē)的目的，并且大大節(jié)省了配線，進(jìn)一步提高了系統(tǒng)的可靠性，穩(wěn)定性和控制精度?！? （3） S7—300和S7—400PLC采用MPI協(xié)議，可方便地配置兩PLC間收、發(fā)數(shù)據(jù)，減少了用其它通訊方式帶來(lái)的編程問(wèn)題，進(jìn)一步減少了S7—400的程序容量，提高了其處理速度。 （4） 用IC610配以MPI/DP接口板配以WINCC軟件進(jìn)行監(jiān)控，可實(shí)現(xiàn)設(shè)備狀況的圖形化（棒圖）顯示；各外部部件工作位置顯示，和各外部設(shè)備啟停狀態(tài)顯示；故障存檔及報(bào)警顯示；指標(biāo)趨勢(shì)圖顯示等。另一方面，配以STEP7軟件可同時(shí)對(duì)兩臺(tái)PLC進(jìn)行編程、調(diào)試，達(dá)到一機(jī)多用的目的。
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