MDD093C-L-030
PLC現(xiàn)場安裝的注意事項的安裝步驟
到了現(xiàn)場后，進行系統(tǒng)安裝前，需要考慮安裝環(huán)境是否滿足PLC的使用環(huán)境要求，這一點可以參考各類產(chǎn)品的使用手冊。但無論什么PLC，不都能裝設在下列場所：含有腐蝕性氣體之場所，陽光直接照射到的地方，溫度上下值在短時間內(nèi)變化急遽的地方，油、水、化學物質(zhì)容易侵入的地方，有大量灰塵的地方，振動大且會造成安裝件移位的地方。
如果必須要在上面的環(huán)境使用，則要為PLC制作合適的控制箱，采用規(guī)范和必要的防護措施。如果需要在野外極低溫度下使用，可以使用有加熱功能的控制箱。如何做這些防護箱或控制箱，各制造商和和資格的系統(tǒng)集成商將會為客戶提供相應的供應和設計。
在使用控制箱時，在控制箱內(nèi)OpenPLC安裝的位置要注意如下事項：控制箱內(nèi)空氣流通是否順暢（各裝置間須保持適當?shù)木嚯x），變壓器、馬達控制器、變頻器等是否與PLC保持適當距離，動力線與信號控制線是否分離配置，組件裝設之位置是否利于日后之檢修，是否需預留空間，供日后系統(tǒng)擴充使用。
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