品牌:ABB | 規格:DAI03 | 材質:DAI03 |
產地:瑞士 |
DAI03
DAI03
DAI03
1)冗餘配置。現在所有電廠DCS係統骨幹通訊網絡一般都採取了冗餘配置,有些還實現了多重冗餘,這樣通訊網絡可以保持高可用性。
2)使用光纖作為傳輸媒介。眾所周知,光纖不僅具有傳輸距離遠、通訊帶寬大和耐腐蝕等顯著優點,而且還具有抗電磁幹擾能力強和傳輸誤碼率低等突出優勢,而這些是銅纜和雙絞線等常規傳輸媒介所無法比擬的,因此近年來在通訊係統、自動化係統的骨幹通訊網絡中逐漸得到了廣泛使用。可以預言,隨著光纖產品價格的進一步下降和DCS係統物理分散發展需要,光纖的使用將繼續擴大。
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