描述
在编制软件前，应首先熟悉所选用的PLC产品的软件说明书，待熟练后再编程。若用图形编程器或软件包编程，则可直接编程，若用手持编程器编程，应先画出梯形图，然后编程，这样可少出错，速度也快。编程结束后先空调程序，待各个动作正常后，再在设备上调试。
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