6ES7131-6FD01-0BB1 亿佳购购购

6es7131-6fd01-0bb1 亿佳购购购

将设计好的程序写入plc后，先逐条仔细检查，并改正写入时出现的错误。用户程序一般先在实验室模拟调试，实际的输入信号可以用钮子开关和按钮来模拟，各输出量的通／断状态用plc上有关的发光二极管来显示，一般不用接plc实际的负载(如接触器、电磁阀等)。可以根据功能表图，在适当的时候用开关或按钮来模拟实际的反馈信号，如限位开关触点的接通和断开。对于顺序控制程序，调试程序的主要任务是检查程序的运行是否符合功能表图的规定，即在某一转换条件实现时，是否发生步的活动状态的正确变化，即该转换所有的前级步是否变为不活动步，所有的后续步是否变为活动步，以及各步被驱动的负载是否发生相应的变化。

在调试时应充分考虑各种可能的情况，对系统各种不同的工作方式、有选择序列的功能表图中的每一条支路、各种可能的进展路线，都应逐一检查，不能遗漏。发现问题后应及时修改梯形图和plc中的程序，直到在各种可能的情况下输入量与输出量之间的关系完全符合要求。

如果程序中某些定时器或计数器的设定值过大，为了缩短调试时间，可以在调试时将它们减小，模拟调试结束后再写入它们的实际设定值。

在设计和模拟调试程序的同时，可以设计、制作控制台或控制柜，plc之外的其硬件的安装、接线工作也可以同时进行。

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