Yaskawa DR2-01BC
Yaskawa DR2-01BCYaskawa DR2-01BC
輸入回路檢修
判斷某只按扭、限位、線路等輸入回路的好壞,可在PLC通電情況下(最好在非運行狀態(tài) ,以防設(shè)備誤動作),按下按扭(或其他輸入接點),這時對應(yīng)的PLC輸入點端子與公共端 被短接,按扭所對應(yīng)的PLC輸入指示燈亮,說明此按扭及線路正常。燈不亮,可能按扭壞、 線路接觸不良或者斷線。若進(jìn)一步判斷,按扭如果是好的,那么用萬用表的一根表筆,一頭 接PLC輸入端的公共端,另一頭接觸所對應(yīng)的PLC輸入點(上述操作要小心,千萬不要碰到22 0V或110V輸入端子上)。此時指示燈亮,說明線路存在故障。指示燈不亮,說明此PLC輸入 點已損壞(此情況少見,一般強電入侵所致)。●業(yè)從事(DCS系統(tǒng))(機器人系統(tǒng))(大型伺服控制系統(tǒng))模塊 備件銷售廈門[泰尼電氣有
廈門泰尼備件解決方案銷售中心:
轉(zhuǎn)子流量計在工業(yè)生產(chǎn)過程中應(yīng)用較廣,可以測量多種介質(zhì)的流量,特別適用于中小管徑和低雷諾數(shù)的中小流量測量。轉(zhuǎn)子流量計結(jié)構(gòu)簡單,靈敏度高,量程比寬(10:1),壓力損失小且恒定,對直管段的要求不高,刻度近似線性,價格便宜,使用維護(hù)簡便。但儀表受被測介質(zhì)密度、粘度、溫度、壓力等因素的影響,其精度一般在1.5級左右。
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