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樓主  發(fā)表于: 2009-10-09 10:45
現場(chǎng)一個(gè)閥門(mén)定位器西門(mén)子的，給定后能正常動(dòng)作，但是反饋都是負的4-20mA信號；

比如，

開(kāi)度0，反饋-4mA;

開(kāi)度25，反饋-8mA;

。。。

懂的給說(shuō)說(shuō)，謝謝

定位器已經(jīng)初始化過(guò)了！
大家沒(méi)事的時(shí)候可以進(jìn)入中國工控168網(wǎng)提高學(xué)習增加知識面。中國工控168網(wǎng)，祝您一路發(fā)。

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