西门子PLC系列PID功能块详解：自定义PID模拟块，手自动切换功能，详细注释与触摸屏程序参考,西门子PLC系列PID功能块解析：自定义功能块详解与实际应用指南-手自动切换、详细注释与触摸屏程序一体
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西门子PLC系列PID功能块详解：自定义PID模拟块，手自动切换功能，详细注释与触摸屏程序参考,西门子PLC系列PID功能块解析：自定义功能块详解与实际应用指南——手自动切换、详细注释与触摸屏程序一体化,西门子1200 1500 PID自己写的PID功能块，可重复调用，PID模拟西门子自带块的功能属性，可以手自动值进行切，程序注释详细，有触摸屏程序。很有参考价值，,西门子1200/1500; PID功能块; 重复调用; 模拟自带块; 功能属性; 手自动切换; 程序注释详细; 触摸屏程序; 参考价值。,基于西门子控制系统的定制PID功能块：可重复调用、手自动切换且注释详尽 <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/90424598/2/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/90424598/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">**<span class="ff2">西门子<span class="_ _0"> </span></span>1200<span class="_ _0"> </span><span class="ff2">与<span class="_ _0"> </span></span>1500 PLC<span class="_ _0"> </span><span class="ff2">的自定义<span class="_ _0"> </span></span>PID<span class="_ _0"> </span><span class="ff2">功能块实现</span>**</div><div class="t m0 x1 h2 y2 ff2 fs0 fc0 sc0 ls0 ws0">一、引言</div><div class="t m0 x1 h2 y3 ff2 fs0 fc0 sc0 ls0 ws0">在工业自动化领域，<span class="ff1">PID</span>（比例<span class="ff1">-</span>积<span class="_ _1"></span>分<span class="ff1">-</span>微分）控制算法被广泛应用于<span class="_ _1"></span>各种控制系统中。西门</div><div class="t m0 x1 h2 y4 ff2 fs0 fc0 sc0 ls0 ws0">子<span class="_ _2"> </span><span class="ff1">S7<span class="_"> </span></span>系<span class="_ _1"></span>列<span class="_ _2"> </span><span class="ff1">PLC<span class="_"> </span></span>提<span class="_ _1"></span>供<span class="_ _1"></span>了<span class="_ _1"></span>内<span class="_ _1"></span>置<span class="_ _1"></span>的<span class="_ _2"> </span><span class="ff1">PID<span class="_"> </span></span>块<span class="_ _1"></span>功<span class="_ _1"></span>能<span class="_ _1"></span>，<span class="_ _1"></span>然<span class="_ _1"></span>而<span class="_ _1"></span>在<span class="_ _1"></span>某<span class="_ _1"></span>些<span class="_ _1"></span>特<span class="_ _1"></span>定<span class="_ _1"></span>应<span class="_ _1"></span>用<span class="_ _1"></span>场<span class="_ _1"></span>景<span class="_ _1"></span>中<span class="_ _1"></span>，<span class="_ _1"></span>可<span class="_ _1"></span>能<span class="_ _1"></span>需<span class="_ _1"></span>要<span class="_ _1"></span>更<span class="_ _1"></span>灵<span class="_ _1"></span>活<span class="_ _1"></span>、</div><div class="t m0 x1 h2 y5 ff2 fs0 fc0 sc0 ls0 ws0">可定制的<span class="_ _0"> </span><span class="ff1">PID<span class="_ _0"> </span></span>控制策略。<span class="_ _3"></span>本文将详细介绍如何实现一个可重复调用的自定义<span class="_ _0"> </span><span class="ff1">PID<span class="_ _0"> </span></span>功能块，<span class="_ _3"></span>该</div><div class="t m0 x1 h2 y6 ff2 fs0 fc0 sc0 ls0 ws0">功能块模拟了西门子自带的<span class="_ _0"> </span><span class="ff1">PID<span class="_ _0"> </span></span>块功能属性，<span class="_ _4"></span>并支持手自动值切换。<span class="_ _4"></span>此外，<span class="_ _4"></span>本文还将讨论与</div><div class="t m0 x1 h2 y7 ff2 fs0 fc0 sc0 ls0 ws0">触摸屏程序的结合，使操作更为直观。</div><div class="t m0 x1 h2 y8 ff2 fs0 fc0 sc0 ls0 ws0">二、硬件环境与软件环境</div><div class="t m0 x1 h2 y9 ff2 fs0 fc0 sc0 ls0 ws0">本<span class="_ _1"></span>方<span class="_ _5"></span>案<span class="_ _1"></span>适<span class="_ _5"></span>用<span class="_ _1"></span>于<span class="_ _5"></span>西<span class="_ _1"></span>门<span class="_ _5"></span>子<span class="_ _2"> </span><span class="ff1">S7-1200<span class="_ _6"> </span></span>和<span class="_ _2"> </span><span class="ff1">S7-1500 <span class="_ _5"></span>PLC<span class="_ _1"></span></span>。<span class="_ _5"></span>开<span class="_ _1"></span>发<span class="_ _5"></span>环<span class="_ _1"></span>境<span class="_ _5"></span>为<span class="_ _2"> </span><span class="ff1">TIA <span class="_ _5"></span>Portal<span class="_ _1"></span></span>（<span class="_ _5"></span><span class="ff1">Total <span class="_ _1"></span>Integration </span></div><div class="t m0 x1 h2 ya ff1 fs0 fc0 sc0 ls0 ws0">Automation Portal<span class="ff2">）<span class="_ _7"></span>，它是一个<span class="_ _1"></span>集成的自<span class="_ _1"></span>动化工程工<span class="_ _1"></span>具链，支<span class="_ _1"></span>持从项目设<span class="_ _1"></span>计到维护<span class="_ _1"></span>的全过程<span class="_ _1"></span>。</span></div><div class="t m0 x1 h2 yb ff2 fs0 fc0 sc0 ls0 ws0">三、自定义<span class="_ _0"> </span><span class="ff1">PID<span class="_ _0"> </span></span>功能块实现</div><div class="t m0 x1 h2 yc ff1 fs0 fc0 sc0 ls0 ws0">1. <span class="_ _8"> </span><span class="ff2">功能概述</span></div><div class="t m0 x1 h2 yd ff2 fs0 fc0 sc0 ls0 ws0">本<span class="_ _0"> </span><span class="ff1">PID<span class="_"> </span></span>功能<span class="_ _1"></span>块<span class="_ _1"></span>的核<span class="_ _1"></span>心功<span class="_ _1"></span>能<span class="_ _1"></span>是实<span class="_ _1"></span>现比<span class="_ _1"></span>例<span class="_ _1"></span><span class="ff1">-</span>积<span class="_ _1"></span>分<span class="ff1">-<span class="_ _1"></span></span>微<span class="_ _1"></span>分控<span class="_ _1"></span>制算<span class="_ _1"></span>法<span class="_ _1"></span>。同<span class="_ _1"></span>时，<span class="_ _1"></span>提<span class="_ _1"></span>供手<span class="_ _1"></span>自动<span class="_ _1"></span>切<span class="_ _1"></span>换的<span class="_ _1"></span>功能<span class="_ _1"></span>，</div><div class="t m0 x1 h2 ye ff2 fs0 fc0 sc0 ls0 ws0">即在手动模式下，可以手动调整<span class="_ _0"> </span><span class="ff1">PID<span class="_ _8"> </span></span>输出<span class="_ _3"></span>；<span class="_ _3"></span>在自动模式下，将根据设定值、反馈值和预设的</div><div class="t m0 x1 h2 yf ff1 fs0 fc0 sc0 ls0 ws0">PID<span class="_ _8"> </span><span class="ff2">参数进行自动调节。</span></div><div class="t m0 x1 h2 y10 ff1 fs0 fc0 sc0 ls0 ws0">2. <span class="_ _8"> </span><span class="ff2">算法实现</span></div><div class="t m0 x1 h2 y11 ff2 fs0 fc0 sc0 ls0 ws0">根据控制理论，<span class="_ _9"></span>编写相应的<span class="_ _0"> </span><span class="ff1">PID<span class="_ _8"> </span></span>算法代码。<span class="_ _9"></span>代码应包含比例项、<span class="_ _9"></span>积分项和微分项的计算逻辑。</div><div class="t m0 x1 h2 y12 ff2 fs0 fc0 sc0 ls0 ws0">在每个扫描周期内，根据当前的输入和输出状态进行计算并更新输出值。</div><div class="t m0 x1 h2 y13 ff1 fs0 fc0 sc0 ls0 ws0">3. <span class="_ _8"> </span><span class="ff2">参数设置与调整</span></div><div class="t m0 x1 h2 y14 ff2 fs0 fc0 sc0 ls0 ws0">提供界面供用户设置<span class="_ _0"> </span><span class="ff1">PID<span class="_ _8"> </span></span>的各项参数，<span class="_ _a"></span>如比例增益、<span class="_ _b"></span>积分时间常数等。<span class="_ _b"></span>此外，<span class="_ _b"></span>还支持在线调</div><div class="t m0 x1 h2 y15 ff2 fs0 fc0 sc0 ls0 ws0">整这些参数，以适应不同的控制需求。</div><div class="t m0 x1 h2 y16 ff2 fs0 fc0 sc0 ls0 ws0">四、手自动值切换功能实现</div><div class="t m0 x1 h2 y17 ff2 fs0 fc0 sc0 ls0 ws0">通过编写一个状态机或条件逻辑，<span class="_ _4"></span>实现手自动值的切换功能。<span class="_ _4"></span>在手动模式下，<span class="_ _4"></span>直接使用输入</div><div class="t m0 x1 h2 y18 ff2 fs0 fc0 sc0 ls0 ws0">的设定值<span class="_ _3"></span>；<span class="_ _3"></span>在自动模式下，根据<span class="_ _8"> </span><span class="ff1">PID<span class="_"> </span></span>算法计算出的输出值作为设定值。同时，提供切换按钮</div><div class="t m0 x1 h2 y19 ff2 fs0 fc0 sc0 ls0 ws0">或指示灯，用于显示当前的工作模式。</div><div class="t m0 x1 h2 y1a ff2 fs0 fc0 sc0 ls0 ws0">五、程序注释与调试</div><div class="t m0 x1 h2 y1b ff2 fs0 fc0 sc0 ls0 ws0">在编写代码时，<span class="_ _c"></span>加入详细的程序注释，<span class="_ _c"></span>以便于其他工程师理解和维护。<span class="_ _c"></span>在<span class="_ _0"> </span><span class="ff1">TIA Portal<span class="_ _0"> </span></span>中提供</div><div class="t m0 x1 h2 y1c ff2 fs0 fc0 sc0 ls0 ws0">丰富的调试工具，如变量监视、程序执行跟踪等，帮助开发人员快速定位和解决问题。</div></div><div class="pi" data-data='{"ctm":[1.611830,0.000000,0.000000,1.611830,0.000000,0.000000]}'></div></div>