西门子S7-1500 PLC控制暖通空调冷水机组案例：精准调节水泵台数与频率，焓值计算与温度自动控制,西门子S7-1500暖通空调冷水机组PLC编程案例：实现智能加减机与焓值计算控制，采用SCL编程与
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西门子S7-1500 PLC控制暖通空调冷水机组案例：精准调节水泵台数与频率，焓值计算与温度自动控制,西门子S7-1500暖通空调冷水机组PLC编程案例：实现智能加减机与焓值计算控制，采用SCL编程与ET200SP接口模块，一用一备水泵系统，精确控制压差与频率，借助西门子触摸屏实现便捷操作（博图V15.1版本）。,西门子S7-1500暖通空调冷水机组PLC程序案例， 硬件采用西门子1500CPU+ET200SP接口IO模块，HMI采用西门子触摸屏。程序采用SCL控制程序编程，系统水泵采用一用一备，通过程序实现了加减机控制，根据压差控制开启的水泵台数以及频率； 还有焓值计算FB块，输入干球温度，干球湿度可自动计算湿球温度，露点温度，含湿量，焓值等。打开版本博图V15.1。,关键词：西门子S7-1500；PLC程序；ET200SP接口IO模块；SCL控制程序；水泵加减机控制；压差控制；焓值计算FB块；干球温度；干球湿度；湿球温度；露点温度；含湿量；博图V15.1。,西门子S7-1500 PLC控制冷水机组案例：自动调节与焓值计算 <link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/base.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90427612/2/raw.css" rel="stylesheet"/><div id="sidebar" style="display: none"><div id="outline"></div></div><div class="pf w0 h0" data-page-no="1" id="pf1"><div class="pc pc1 w0 h0"><img alt="" class="bi x0 y0 w1 h1" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90427612/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">西门子<span class="_ _0"> </span><span class="ff2">200 SMART<span class="_ _0"> </span></span>模拟量滤波防抖程序设计</div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0">一、引言</div><div class="t m0 x1 h2 y3 ff1 fs0 fc0 sc0 ls0 ws0">在工业自动化控制系统中，<span class="_ _1"></span>模拟量信号的采集和处理是至关重要的环节。<span class="_ _1"></span>西门子<span class="_ _0"> </span><span class="ff2">200 SMART </span></div><div class="t m0 x1 h2 y4 ff2 fs0 fc0 sc0 ls0 ws0">PLC<span class="_ _0"> </span><span class="ff1">以其强大的功能和灵活的编程能力，<span class="_ _2"></span>广泛应用于各种工业控制场景。<span class="_ _2"></span>本文将详细介绍一</span></div><div class="t m0 x1 h2 y5 ff1 fs0 fc0 sc0 ls0 ws0">个针对电流电压和热电阻模拟量信号采集的滤波防抖程序，<span class="_ _3"></span>该程序具有高位和低位报警功能，</div><div class="t m0 x1 h2 y6 ff1 fs0 fc0 sc0 ls0 ws0">并采用<span class="_ _0"> </span><span class="ff2">for<span class="_"> </span></span>循环指令和间接寻址，使得程序简单易用。</div><div class="t m0 x1 h2 y7 ff1 fs0 fc0 sc0 ls0 ws0">二、程序需求</div><div class="t m0 x1 h2 y8 ff2 fs0 fc0 sc0 ls0 ws0">1. <span class="_ _4"> </span><span class="ff1">模拟量信号采集：能够实时采集电流、电压和热电阻的模拟量信号。</span></div><div class="t m0 x1 h2 y9 ff2 fs0 fc0 sc0 ls0 ws0">2. <span class="_ _4"> </span><span class="ff1">滤波处理：对采集到的信号进行滤波处理，以消除噪声和干扰。</span></div><div class="t m0 x1 h2 ya ff2 fs0 fc0 sc0 ls0 ws0">3. <span class="_ _4"> </span><span class="ff1">防抖动：对于因外部干扰导致的信号抖动进行抑制，提高信号的稳定性。</span></div><div class="t m0 x1 h2 yb ff2 fs0 fc0 sc0 ls0 ws0">4. <span class="_ _4"> </span><span class="ff1">报警功能：当信号超过设定的上下限值时，触发高位和低位报警。</span></div><div class="t m0 x1 h2 yc ff2 fs0 fc0 sc0 ls0 ws0">5. <span class="_ _4"> </span><span class="ff1">编程要求：采用<span class="_ _0"> </span></span>for<span class="_"> </span><span class="ff1">循环指令和间接寻址，使程序简单好用。</span></div><div class="t m0 x1 h2 yd ff1 fs0 fc0 sc0 ls0 ws0">三、程序设计思路</div><div class="t m0 x1 h2 ye ff2 fs0 fc0 sc0 ls0 ws0">1. <span class="_ _4"> </span><span class="ff1">信号采集：通过<span class="_ _0"> </span></span>PLC<span class="_ _0"> </span><span class="ff1">的模拟量输入模块，实时采集电流、电压和热电阻的模拟量信号。</span></div><div class="t m0 x1 h2 yf ff2 fs0 fc0 sc0 ls0 ws0">2. <span class="_ _4"> </span><span class="ff1">滤波处理：采用数字滤波算法对采集到的信号进行滤波处理，消除噪声和干扰。</span></div><div class="t m0 x1 h2 y10 ff2 fs0 fc0 sc0 ls0 ws0">3. <span class="_ _4"> </span><span class="ff1">防抖<span class="_ _5"></span>动：通<span class="_ _5"></span>过设置<span class="_ _5"></span>一定的<span class="_ _5"></span>时间窗<span class="_ _5"></span>口，当<span class="_ _5"></span>信号在<span class="_ _5"></span>短时间<span class="_ _5"></span>内多次<span class="_ _5"></span>变化时<span class="_ _5"></span>，判断<span class="_ _5"></span>为抖动<span class="_ _5"></span>，并抑</span></div><div class="t m0 x1 h2 y11 ff1 fs0 fc0 sc0 ls0 ws0">制该信号的变化。</div><div class="t m0 x1 h2 y12 ff2 fs0 fc0 sc0 ls0 ws0">4. <span class="_ _4"> </span><span class="ff1">报警功能：设定高位和低位报警值，当信号超过这些值时，触发报警并记录相关信息。</span></div><div class="t m0 x1 h2 y13 ff2 fs0 fc0 sc0 ls0 ws0">5. for<span class="_"> </span><span class="ff1">循环指<span class="_ _5"></span>令和间<span class="_ _5"></span>接寻<span class="_ _5"></span>址：采<span class="_ _5"></span>用<span class="_ _0"> </span></span>for<span class="_"> </span><span class="ff1">循环<span class="_ _5"></span>遍历所<span class="_ _5"></span>有需<span class="_ _5"></span>要处理<span class="_ _5"></span>的模<span class="_ _5"></span>拟量<span class="_ _5"></span>信号，<span class="_ _5"></span>通过<span class="_ _5"></span>间接寻<span class="_ _5"></span>址</span></div><div class="t m0 x1 h2 y14 ff1 fs0 fc0 sc0 ls0 ws0">访问对应的地址和数据。</div><div class="t m0 x1 h2 y15 ff1 fs0 fc0 sc0 ls0 ws0">四、程序设计实现</div><div class="t m0 x1 h2 y16 ff2 fs0 fc0 sc0 ls0 ws0">1. <span class="_ _4"> </span><span class="ff1">程序主体结构<span class="_ _6"></span>：<span class="_ _6"></span>采用<span class="_ _0"> </span><span class="ff2">for<span class="_ _0"> </span></span>循环遍历所有需要处理的模拟量信号，对每个信号进行滤波、防</span></div><div class="t m0 x1 h2 y17 ff1 fs0 fc0 sc0 ls0 ws0">抖和报警处理。</div><div class="t m0 x1 h2 y18 ff2 fs0 fc0 sc0 ls0 ws0">2. <span class="_ _4"> </span><span class="ff1">滤波<span class="_ _5"></span>算法实<span class="_ _5"></span>现：采<span class="_ _5"></span>用数字<span class="_ _5"></span>滤波算<span class="_ _5"></span>法对每<span class="_ _5"></span>个信号<span class="_ _5"></span>进行滤<span class="_ _5"></span>波处理<span class="_ _5"></span>，消除<span class="_ _5"></span>噪声和<span class="_ _5"></span>干扰。<span class="_ _5"></span>具体算</span></div><div class="t m0 x1 h2 y19 ff1 fs0 fc0 sc0 ls0 ws0">法可根据实际需求选择。</div><div class="t m0 x1 h2 y1a ff2 fs0 fc0 sc0 ls0 ws0">3. <span class="_ _4"> </span><span class="ff1">防抖<span class="_ _5"></span>动实现<span class="_ _5"></span>：设置<span class="_ _5"></span>时间窗<span class="_ _5"></span>口，当<span class="_ _5"></span>信号在<span class="_ _5"></span>短时间<span class="_ _5"></span>内多次<span class="_ _5"></span>变化时<span class="_ _5"></span>，判断<span class="_ _5"></span>为抖动<span class="_ _5"></span>并抑制<span class="_ _5"></span>该信号</span></div><div class="t m0 x1 h2 y1b ff1 fs0 fc0 sc0 ls0 ws0">的变化。具体实现可根据实际情况进行调整。</div><div class="t m0 x1 h2 y1c ff2 fs0 fc0 sc0 ls0 ws0">4. <span class="_ _4"> </span><span class="ff1">报警<span class="_ _5"></span>功能实<span class="_ _5"></span>现：设<span class="_ _5"></span>定高位<span class="_ _5"></span>和低位<span class="_ _5"></span>报警值<span class="_ _5"></span>，当信<span class="_ _5"></span>号超过<span class="_ _5"></span>这些值<span class="_ _5"></span>时，触<span class="_ _5"></span>发报警<span class="_ _5"></span>并记录<span class="_ _5"></span>相关信</span></div><div class="t m0 x1 h2 y1d ff1 fs0 fc0 sc0 ls0 ws0">息。报警信息可通过<span class="_ _0"> </span><span class="ff2">PLC<span class="_ _0"> </span></span>的输出模块输出或上传至上位机进行显示和处理。</div><div class="t m0 x1 h2 y1e ff2 fs0 fc0 sc0 ls0 ws0">5. <span class="_ _4"> </span><span class="ff1">采用间接寻<span class="_ _5"></span>址访问数据<span class="_ _5"></span>：通过间接<span class="_ _5"></span>寻址访问<span class="_ _0"> </span></span>PLC<span class="_"> </span><span class="ff1">的地址和数据<span class="_ _5"></span>，方便程序<span class="_ _5"></span>的扩展和维护<span class="_ _5"></span>。</span></div><div class="t m0 x1 h2 y1f ff1 fs0 fc0 sc0 ls0 ws0">五、视频讲解与程序下载</div><div class="t m0 x1 h2 y20 ff1 fs0 fc0 sc0 ls0 ws0">为了方便用户更好地理解和使用该程序，<span class="_ _7"></span>我们录制了详细的视频讲解。<span class="_ _7"></span>视频中详细介绍了程</div><div class="t m0 x1 h2 y21 ff1 fs0 fc0 sc0 ls0 ws0">序的思路、<span class="_ _2"></span>实现方法和使用方法。<span class="_ _8"></span>同时，<span class="_ _2"></span>用户可在我们的官方网站上下载该程序的相关文件</div><div class="t m0 x1 h2 y22 ff1 fs0 fc0 sc0 ls0 ws0">和资料。</div></div><div class="pi" data-data='{"ctm":[1.611830,0.000000,0.000000,1.611830,0.000000,0.000000]}'></div></div>