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spyx1928
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樓主  發(fā)表于: 2018-11-05 16:45
我司因設備大部分都是買(mǎi)的,PLC品牌比較雜,三菱FX,臺達,信捷,永宏,松下,西門(mén)子,深圳億維,臺灣豐煒等等,10幾個(gè)品牌,
現在老板想搞以太網(wǎng),設備全部聯(lián)網(wǎng),請問(wèn)各位大神這么碰品牌的可以搞在一個(gè)網(wǎng)絡(luò )里,可行嗎?成本呢?之前沒(méi)搞過(guò)以太網(wǎng)的我。
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zhangqi_1234
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1樓  發(fā)表于: 2018-11-05 18:47
你說(shuō)的這些設備大都支持MODBUS-RTU,把這些設備設為MODBUS從站,加一個(gè)MODBUS網(wǎng)關(guān)(RTU轉TCP,帶緩沖存儲器,可以進(jìn)行大量數據的傳輸)。上位機為MODBUS主站,編寫(xiě)上位機的通信程序,讀寫(xiě)各從站數據。三菱PLC麻煩點(diǎn),我記得好像只能支持MODBUS-ASCII從站,國內有些仿三菱PLC的模塊支持MODBUS-RTU從站。
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