【正文】
QF3空氣開關(guān)10/B3繼電器( KA7)控制其開 /合控制電機(jī)開合回路滅弧器KA7(繼電器觸點(diǎn))110AKM30VACPLC輸出信號(hào)使繼電器 KA7的線圈回路接通,于是繼電器 KA7觸點(diǎn)閉合回路接通, KM3接觸器線圈產(chǎn)生磁場(chǎng)使得 KM3主觸點(diǎn)吸合,排屑電機(jī)主回路接通,電機(jī)開始工作。PLC輸出信號(hào)KA7排屑電機(jī)過熱回路低壓變壓器03/E8低壓變壓器03/E7QF3(空氣開關(guān))輔助觸點(diǎn)364 366836當(dāng)排屑電機(jī)過熱這個(gè)回路中 QF3(空氣開關(guān)斷開,電機(jī)停止。線排實(shí)物圖謝謝觀看!謝謝觀看 /歡迎下載BY FAITH I MEAN A VISION OF GOOD ONE CHERISHES AND THE ENTHUSIASM THAT PUSHES ONE TO SEEK ITS FULFILLMENT REGARDLESS OF OBSTACLES. BY FAITH I BY FAITH