自动化系统

西门子200在通讯时可以搜索到，但点击确定时，出现提示，错误请求 钻石用户推荐最佳答案 在设备正常的条件下，发生Micro/WIN不能与CPU通信的原因主要有： &nbs…

如何编写S7-200 PLC数字量输出地址Qx通过触摸屏进行更改的程序 最佳答案 这个问题只能假象了看待。假设，输入为I0.0，而输出是QB0中的任意一个，则程序：LD&…

如题：西门子6ES7153-1AA03-0XB0 模块换上后 BF灯闪，请问应该从哪来找问题,急！！！ 钻石用户推荐最佳答案 BF闪烁为总线故障1.检查主站配置…

在安装WINCC7.5的过程中出现SQL2016 SP2报错，不知是何原因。 钻石用户推荐最佳答案 这种情况很难判断是什么原因如果系统是原装的兼容性也没问题尝试重启主机登…

超过300的变量访问，如何提升画面流程度，有最优的动态响应 问题补充：是单个画面组态的变量链接 最佳答案 正常组态就可以了一个画面300个变量，远没有超过wincc性能的限制&nb…

如题：西门子6ES7 214-1AA23-0XA0 请问是否停产了 有无替代型号  跪求大神解答 谢谢！官方电话好难打.…

传送指令的串联和并联有什么区别吗?新手入门不懂，望赐教 最佳答案 有区别，串联指令中后面的指令需要在前面正确执行、前面指令的ENO输出高电平时才能执行后续指令；并联指令是不受这一条…

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小弟刚开始学S7-200，因为没有仿真软件，所以只能在线调试，想问一下把程序下载到PLC里调试的话，能看到程序每一步执行是否成功吗？梯形图的每一步执行情况能不能看到？ 最佳答案 你…