1336-BDB-SP13E
1336-BDB-SP13E
電力用戶曾使用PLC，用以實(shí)時(shí)記錄用戶用電情況，以實(shí)現(xiàn)不同用電時(shí)間、不同計(jì)價(jià)的收費(fèi)辦法，鼓勵用戶在用電低谷時(shí)多用電，達(dá)到合理用電與節(jié)約用電的目的。
3.5用于信號監(jiān)控
PLC自檢信號很多，內(nèi)部器件也很多，多數(shù)使用者未充分發(fā)揮其作用。
其實(shí)，*可利用它進(jìn)行PLC自身工作的監(jiān)控，或?qū)刂茖ο筮M(jìn)行監(jiān)控。
這里介紹一種用PLC定時(shí)器作看門狗，對控制對象工作情況進(jìn)行監(jiān)控的思路。
如用PLC控制某運(yùn)動部件動作，看施加控制后動作進(jìn)行了沒有，可用看門狗辦法實(shí)現(xiàn)監(jiān)控。具體作法是在施加控制的同時(shí)，令看門狗定時(shí)器計(jì)時(shí)。如在規(guī)定的時(shí)間內(nèi)動作完成，即定時(shí)器未超過警戒值的情況下，已收到動作完成信號，則說明控制對象工作正常，無需報(bào)警。
備貨，備貨，降降降，火火火，火火火……
備貨，備貨，降降降，火火火，火火火……
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公司名稱：廈門泰尼電氣有限公司
：小廖（銷售代表）
：
傳真號碼：（麻煩備注01008收）
號碼:
：
誠信經(jīng)營，質(zhì)量為首，誠信*，泰尼電氣小廖竭誠為您服務(wù)！！！
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THERMAL ARC 170896A-002 FEEDHEAD ASSEMBLY WIREFEEDER
