產(chǎn)品詳情
輸入/輸出信號的牢靠性是操控體系正常作業(yè)的基本條件，沒有牢靠的體系輸入/輸出信號，再好的操控體系也無法正常作業(yè)。因為各技術(shù)段子體系較多，十分渙散且現(xiàn)場條件惡劣，其中現(xiàn)場信號遭到攪擾，致使繼電器無法正常作業(yè)即是十分棘手的疑問之一，因此，為確保設(shè)備正常作業(yè)，其輸入/輸出信號繼電器的挑選即是關(guān)鍵所在。為處理以上疑問，馬鋼通過多方對比，最終選用PHOENIXCONTACT的PLC-RSC- 230UC/21/SO46、 PLC-RSC-230UC/21-21/SO46抗攪擾繼電器以及PLC-RSC-24DC/21、PLC-RSC-24DC/21直流繼電器。挑選PLC-RSC-230UC/21/SO46、 PLC-RSC-230UC/21-21/SO46抗攪擾繼電器的理由主要有兩點：其一是該繼電器驅(qū)動電流較大（通常為8mA左右）而且具有信號濾波功用，并選用RC 回路以及抬高繼電器的動作電平來按捺攪擾信號，其特別適用于現(xiàn)場檢查元件較遠，以及因為現(xiàn)場挨近開關(guān)或PLC模塊漏電流較大等因素致使普通繼電器難以正常作業(yè)的各種雜亂的工業(yè)操控現(xiàn)場；第二是該繼電器為端子型繼電器，體積較小，可有用地節(jié)省裝置空間而且易于裝置和接線。馬鋼新區(qū)項目中，共運用PHOENIXCONTACT的PLC系列繼電器30000多只，為現(xiàn)場開關(guān)量牢靠的輸入/輸出供給了有用確保。
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