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anl1984
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樓主  發(fā)表于: 2021-12-17 20:11
之前沒(méi)有用過(guò)1500,有個(gè)項目客戶(hù)指定要用1500的PLC,項目大概情況是現場(chǎng)有50多個(gè)測試工站,每個(gè)工站有對應的控制點(diǎn)位,數據采集,但是項目預算有限,所以想用一個(gè)1500的CPU通過(guò)以太網(wǎng)通信走M(jìn)ODBUS-TCP協(xié)議連接現場(chǎng)50多個(gè)站點(diǎn),現場(chǎng)50多個(gè)站點(diǎn)采用國產(chǎn)帶網(wǎng)口的PLC,獨立控制每個(gè)工站的邏輯控制,數據采集,主站的1500只負責實(shí)時(shí)去下面每個(gè)工站讀取采集到的數據,下發(fā)開(kāi)機、停機命令。這樣的方案可行嗎?另外如果可行的話(huà)主站的1500是不是只需要電源加CPU就可以了,不需要再擴展IO模塊那類(lèi)了。
請大神們指點(diǎn)一下。謝謝!
當激情不在的時(shí)候,我們還剩下什么?
autoctrl
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1樓  發(fā)表于: 2021-12-30 11:45
1500選連接數多一點(diǎn)的CPU,加IGT-DSER智能網(wǎng)關(guān)模塊,每個(gè)MODBUSTCP設備與1500建立連接,相當于有50條線(xiàn)路并行了;
附件中有相關(guān)案例資料: PLC之間通訊案例.rar (3054 K) 下载次数:14

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