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PLC模拟量输入 模拟量转换FC S_ITR (CODESYS平台)
2022-07-04 13:23:00 【RXXW_Dor】
本篇文章一步步和大家讲解如何在CODESYS里完成模拟量采集(以温度采集为例),博途和其它PLC的模拟量采集可以参看下面这篇博文:
PLC模拟量输入 模拟量转换FC S_ITR_RXXW_Dor的博客-CSDN博客_s_itr模拟量采集、工业现场应用特别广泛、大部分传感器的测量值和输出信号都是线型关系,所以我们可以利用线性函数直接转换,不多说,直接上图和代码S_ITRScale Integer to RealThe formula is as follows:Ov = [(OSH - OSL) * (Iv - ISL) / (ISH - ISL)] + OSLwith ISL <= Iv <= ISHand OSL <= Ov <= OSHOv = o.........https://blog.csdn.net/m0_46143730/article/details/121347697 首先看下CODESYS里如何构建模拟量采集FC (S_ITR),步骤: "Application"点击右键--->"添加对象"--->"POU"--->选择"函数&
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