MDD093C-L-030
PLC现场安装的注意事项的安装步骤
　　到了现场后，进行系统安装前，需要考虑安装环境是否满足PLC的使用环境要求，这一点可以参考各类产品的使用手册。但无论什么PLC，不都能装设在下列场所：含有腐蚀性气体之场所，阳光直接照射到的地方，温度上下值在短时间内变化急遽的地方，油、水、化学物质容易侵入的地方，有大量灰尘的地方，振动大且会造成安装件移位的地方。
　　如果必须要在上面的环境使用，则要为PLC制作合适的控制箱，采用规范和必要的防护措施。如果需要在野外极低温度下使用，可以使用有加热功能的控制箱。如何做这些防护箱或控制箱，各制造商和和资格的系统集成商将会为客户提供相应的供应和设计。
　　在使用控制箱时，在控制箱内OpenPLC安装的位置要注意如下事项：控制箱内空气流通是否顺畅（各装置间须保持适当的距离），变压器、马达控制器、变频器等是否与PLC保持适当距离，动力线与信号控制线是否分离配置，组件装设之位置是否利于日后之检修，是否需预留空间，供日后系统扩充使用。

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