ZKZ-5型雙PLC冗余轉(zhuǎn)速監(jiān)控裝置外接轉(zhuǎn)速脈沖傳感器、殘壓信號(hào)實(shí)時(shí)監(jiān)測(cè)水輪發(fā)電機(jī)組的轉(zhuǎn)速，并在機(jī)組各轉(zhuǎn)速點(diǎn)輸出開(kāi)關(guān)量信號(hào)和與機(jī)組轉(zhuǎn)速對(duì)應(yīng)的模擬量信號(hào)，為自動(dòng)開(kāi)、停機(jī)及電廠監(jiān)控系統(tǒng)服務(wù)。發(fā)電機(jī)轉(zhuǎn)速監(jiān)控儀ZKZ-5