西门子S7-300 PLC模拟量转换AET-电子技术应用-最丰富的电子设计资源平台

西门子S7-300 PLC模拟量转换
所属分类：技术论文
上传者：serena
标签：西门子 S7-300 PLC
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文档介绍： Analog Inputs and Outputs in an S7 PLC are represented in the PLC as a 16-bit integer. Over the nominal span of the analog input or output, the value of this integer will range between - 27648 and +27648. However, it is easier to use the analog values if they are scaled to the same units and ranges as the process being controlled. This applications tip describes methods for scaling analog values to and from engineering units.
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