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湖北張軍
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樓主  發(fā)表于: 2022-08-17 15:34
  手上有個(gè)項目  用200smart  modbus  通訊現場(chǎng)的8臺變頻器  控制啟動(dòng)停止，現場(chǎng)的紫色通訊電纜 已經(jīng)拉完了   2公里的距離。 請教大家 有什么好的方案 ，加隔離中繼器 最多也才1200米
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  • 下載積分:+1(hsiung) 光纖
    秋雨231
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    1樓  發(fā)表于: 2022-11-04 08:36
       用無(wú)線(xiàn)模塊，4G那種肯定是可以的，就是時(shí)效性要考慮，延時(shí)比較大，不如考慮光纖。

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