西门子S7200smartPLC与三菱FX3uPlc做485Modbus RTU通信，西门子S7200smartPLC做主站轮训

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ZIP西门子与三菱做通.zip  1.53MB

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ZIP 西门子与三菱做通.zip 大约有10个文件
  1. 1.jpg 766.52KB
  2. 2.jpg 788.47KB
  3. 最近工业控制系统在自动化领域的应用越来越.txt 2.16KB
  4. 西门子与三菱之间的通信是现代工业自.txt 1.98KB
  5. 西门子与三菱之间进行通信的技术分析文章.txt 2.15KB
  6. 西门子与三菱作为两种常用的工业.doc 2.05KB
  7. 西门子与三菱做通信西门子做主站轮训扫描读取写去数据.html 4.35KB
  8. 西门子与三菱做通信西门子做主站轮训扫描读取写去数据.txt 177B
  9. 西门子与三菱实现通信技术分析一引言随着工业.txt 1.6KB
  10. 西门子与三菱的通信技术分析一引言随着.txt 1.58KB

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西门子S7200smartPLC与三菱FX3uPlc做485Modbus RTU通信，西门子S7200smartPLC做主站轮训扫描读取写去数据转入三菱Plc 通信已测试没有问题，
<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/89767668/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/89767668/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">S7200smartPLC<span class="_ _1"> </span></span>与三菱<span class="_ _0"> </span><span class="ff2">FX3uPLC<span class="_ _1"> </span></span>作为两种常用的工业控制器<span class="ff3">，</span>可以通过<span class="_ _0"> </span><span class="ff2">485 Modbus </span></div><div class="t m0 x1 h2 y2 ff2 fs0 fc0 sc0 ls0 ws0">RTU<span class="_ _1"> </span><span class="ff1">协议进行通信<span class="ff4">。</span>在这篇文章中<span class="ff3">，</span>我们将着重讨论如何实现这种通信<span class="ff3">，</span>并详细介绍西门子</span></div><div class="t m0 x1 h2 y3 ff2 fs0 fc0 sc0 ls0 ws0">S7200smartPLC<span class="_ _1"> </span><span class="ff1">作为主站进行轮询扫描读写数据<span class="ff3">，</span>并将其传输给三菱<span class="_ _0"> </span></span>FX3uPLC<span class="_ _1"> </span><span class="ff1">的过程<span class="ff4">。</span></span></div><div class="t m0 x1 h2 y4 ff1 fs0 fc0 sc0 ls0 ws0">首先<span class="ff3">，</span>我们需要了解什么是<span class="_ _0"> </span><span class="ff2">485 Modbus RTU<span class="_ _1"> </span></span>通信协议<span class="ff4">。<span class="ff2">Modbus<span class="_ _1"> </span></span></span>是一种通信协议<span class="ff3">，</span>用于在工业自</div><div class="t m0 x1 h2 y5 ff1 fs0 fc0 sc0 ls0 ws0">动化系统中的设备之间进行通信<span class="ff4">。</span>它基于串行通信方式<span class="ff3">，</span>具有高可靠性和稳定性<span class="ff4">。</span>而<span class="_ _0"> </span><span class="ff2">485<span class="_ _1"> </span></span>是一种常用</div><div class="t m0 x1 h2 y6 ff1 fs0 fc0 sc0 ls0 ws0">的串行通信标准<span class="ff3">，</span>可以实现多个设备之间的点对点或多点通信<span class="ff4">。</span></div><div class="t m0 x1 h2 y7 ff1 fs0 fc0 sc0 ls0 ws0">在本次通信中<span class="ff3">，</span>我们选择了西门子<span class="_ _0"> </span><span class="ff2">S7200smartPLC<span class="_ _1"> </span></span>作为主站<span class="ff3">，</span>负责控制和监控系统的整体运行<span class="ff4">。</span>三</div><div class="t m0 x1 h2 y8 ff1 fs0 fc0 sc0 ls0 ws0">菱<span class="_ _0"> </span><span class="ff2">FX3uPLC<span class="_ _1"> </span></span>作为从站<span class="ff3">，</span>接收主站发送的指令<span class="ff3">，</span>并完成相应的操作<span class="ff4">。</span>通过<span class="_ _0"> </span><span class="ff2">485 Modbus RTU<span class="_ _1"> </span></span>协议<span class="ff3">，</span></div><div class="t m0 x1 h2 y9 ff1 fs0 fc0 sc0 ls0 ws0">主站可以实时获取从站的状态和数据<span class="ff3">，</span>实现信息的传输与共享<span class="ff4">。</span></div><div class="t m0 x1 h2 ya ff1 fs0 fc0 sc0 ls0 ws0">首先<span class="ff3">，</span>我们需要在西门子<span class="_ _0"> </span><span class="ff2">S7200smartPLC<span class="_ _1"> </span></span>中设置通信参数<span class="ff4">。</span>通过编程软件<span class="ff3">，</span>我们可以设置串口的波</div><div class="t m0 x1 h2 yb ff1 fs0 fc0 sc0 ls0 ws0">特率<span class="ff4">、</span>数据位<span class="ff4">、</span>停止位等参数<span class="ff3">，</span>以确保主从站之间的通信正常进行<span class="ff4">。</span>同时<span class="ff3">，</span>还需要设置<span class="_ _0"> </span><span class="ff2">Modbus RTU</span></div><div class="t m0 x1 h2 yc ff1 fs0 fc0 sc0 ls0 ws0">通信协议的相关参数<span class="ff3">，</span>如起始地址<span class="ff4">、</span>寄存器长度等<span class="ff4">。</span></div><div class="t m0 x1 h2 yd ff1 fs0 fc0 sc0 ls0 ws0">接下来<span class="ff3">，</span>我们需要编写<span class="_ _0"> </span><span class="ff2">PLC<span class="_ _1"> </span></span>程序<span class="ff3">，</span>使主站能够轮询扫描并读写从站的数据<span class="ff4">。</span>通过<span class="_ _0"> </span><span class="ff2">PLC<span class="_ _1"> </span></span>编程软件<span class="ff3">，</span>我</div><div class="t m0 x1 h2 ye ff1 fs0 fc0 sc0 ls0 ws0">们可以编写相应的指令逻辑来实现这一功能<span class="ff4">。</span>首先<span class="ff3">，</span>主站会发送读取的指令给从站<span class="ff3">，</span>从站接收到指令</div><div class="t m0 x1 h2 yf ff1 fs0 fc0 sc0 ls0 ws0">后将相应的数据返回给主站<span class="ff4">。</span>主站再根据需要进行数据处理或存储<span class="ff3">，</span>并发送写入指令给从站<span class="ff3">，</span>从站接</div><div class="t m0 x1 h2 y10 ff1 fs0 fc0 sc0 ls0 ws0">收到指令后将数据写入到相应的寄存器中<span class="ff4">。</span></div><div class="t m0 x1 h2 y11 ff1 fs0 fc0 sc0 ls0 ws0">在编写<span class="_ _0"> </span><span class="ff2">PLC<span class="_ _1"> </span></span>程序时<span class="ff3">，</span>我们需要考虑错误处理和异常情况的处理<span class="ff4">。</span>例如<span class="ff3">，</span>如果从站返回的数据不正确或</div><div class="t m0 x1 h2 y12 ff1 fs0 fc0 sc0 ls0 ws0">通信发生故障<span class="ff3">，</span>主站应该能够及时发现并采取相应的措施<span class="ff3">，</span>以确保通信的可靠性和稳定性<span class="ff4">。</span>此外<span class="ff3">，</span>我</div><div class="t m0 x1 h2 y13 ff1 fs0 fc0 sc0 ls0 ws0">们还可以在主从站之间设置双工通信<span class="ff3">，</span>使通信过程更加高效<span class="ff4">。</span></div><div class="t m0 x1 h2 y14 ff1 fs0 fc0 sc0 ls0 ws0">经过测试<span class="ff3">，</span>我们发现西门子<span class="_ _0"> </span><span class="ff2">S7200smartPLC<span class="_ _1"> </span></span>与三菱<span class="_ _0"> </span><span class="ff2">FX3uPLC<span class="_ _1"> </span></span>之间的<span class="_ _0"> </span><span class="ff2">485 Modbus RTU<span class="_ _1"> </span></span>通信没有</div><div class="t m0 x1 h2 y15 ff1 fs0 fc0 sc0 ls0 ws0">问题<span class="ff4">。</span>这种通信方式不仅可以在工业自动化领域得到广泛应用<span class="ff3">，</span>还具有较高的可扩展性和兼容性<span class="ff4">。</span>通</div><div class="t m0 x1 h2 y16 ff1 fs0 fc0 sc0 ls0 ws0">过这种通信方式<span class="ff3">，</span>不同品牌的<span class="_ _0"> </span><span class="ff2">PLC<span class="_ _1"> </span></span>可以实现互联互通<span class="ff3">，</span>为工业自动化系统的设计和运行提供了更多的</div><div class="t m0 x1 h2 y17 ff1 fs0 fc0 sc0 ls0 ws0">灵活性和便利性<span class="ff4">。</span></div><div class="t m0 x1 h2 y18 ff1 fs0 fc0 sc0 ls0 ws0">总结起来<span class="ff3">，</span>本文围绕西门子<span class="_ _0"> </span><span class="ff2">S7200smartPLC<span class="_ _1"> </span></span>与三菱<span class="_ _0"> </span><span class="ff2">FX3uPLC<span class="_ _1"> </span></span>之间的<span class="_ _0"> </span><span class="ff2">485 Modbus RTU<span class="_ _1"> </span></span>通信展开</div><div class="t m0 x1 h2 y19 ff1 fs0 fc0 sc0 ls0 ws0">了讨论<span class="ff4">。</span>我们详细介绍了通信协议的基本原理<span class="ff3">，</span>并重点介绍了主站轮询扫描读写数据的过程<span class="ff4">。</span>通过合</div><div class="t m0 x1 h2 y1a ff1 fs0 fc0 sc0 ls0 ws0">理设置通信参数和编写<span class="_ _0"> </span><span class="ff2">PLC<span class="_ _1"> </span></span>程序<span class="ff3">，</span>我们可以实现不同品牌的<span class="_ _0"> </span><span class="ff2">PLC<span class="_ _1"> </span></span>之间的通信<span class="ff3">，</span>并为工业自动化系统</div><div class="t m0 x1 h2 y1b ff1 fs0 fc0 sc0 ls0 ws0">的设计和运行提供更多的可能性<span class="ff4">。</span>通过本文的介绍<span class="ff3">，</span>读者可以更好地理解和应用<span class="_ _0"> </span><span class="ff2">485 Modbus RTU</span></div><div class="t m0 x1 h2 y1c ff1 fs0 fc0 sc0 ls0 ws0">通信协议<span class="ff3">，</span>在实际工程项目中提供技术支持和指导<span class="ff4">。</span></div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>
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