"# \u57fa\u4e8eEasyModbusTCP\/UDP\/RTU JAVA\u670d\u52a1\u7aef\u793a\u4f8b\u4ee3\u7801\n\n> 2023-02-12 | 2023-02-12\n> https:\/\/www.modbus.cn\/en\/11720.html\n\n**Modbus\u7f16\u7a0b\u5f00\u53d1**\n\n---\n\n\u793a\u4f8b\u4ee3\u7801\uff1a\n\n```\n<span class="n">package<\/span> <span class="n">run<\/span><span class="p">;<\/span>\n<span class="kn">import<\/span> <span class="nn">de.re.easymodbus.server.<\/span><span class="o">*<\/span><span class="p">;<\/span>\n\n<span class="n">public<\/span> <span class="k">class<\/span> <span class="nc">run<\/span> <span class="p">{<\/span>\n    <span class="n">public<\/span> <span class="n">static<\/span> <span class="n">void<\/span> <span class="n">main<\/span><span class="p">(<\/span><span class="n">String<\/span><span class="p">[]<\/span> <span class="n">args<\/span><span class="p">)<\/span>\n    <span class="p">{<\/span>\n        <span class="n">ModbusServer<\/span> <span class="n">modbusServer<\/span> <span class="o">=<\/span> <span class="n">new<\/span> <span class="n">ModbusServer<\/span><span class="p">();<\/span>\n        <span class="n">modbusServer<\/span><span class="o">.<\/span><span class="n">setPort<\/span><span class="p">(<\/span><span class="mi">1522<\/span><span class="p">);<\/span><span class="o">\/\/<\/span><span class="n">Note<\/span> <span class="n">that<\/span> <span class="n">Standard<\/span> <span class="n">Port<\/span> <span class="k">for<\/span> <span class="n">Modbus<\/span> <span class="n">TCP<\/span> <span class="n">communication<\/span> <span class="ow">is<\/span> <span class="mi">502<\/span>\n        <span class="n">modbusServer<\/span><span class="o">.<\/span><span class="n">coils<\/span><span class="p">[<\/span><span class="mi">1<\/span><span class="p">]<\/span> <span class="o">=<\/span> <span class="n">true<\/span><span class="p">;<\/span>\n        <span class="n">modbusServer<\/span><span class="o">.<\/span><span class="n">holdingRegisters<\/span><span class="p">[<\/span><span class="mi">1<\/span><span class="p">]<\/span> <span class="o">=<\/span> <span class="mi">1234<\/span><span class="p">;<\/span>\n        <span class="k">try<\/span>\n        <span class="p">{<\/span>\n            <span class="n">modbusServer<\/span><span class="o">.<\/span><span class="n">Listen<\/span><span class="p">();<\/span>\n        <span class="p">}<\/span>\n        <span class="n">catch<\/span> <span class="p">(<\/span><span class="n">java<\/span><span class="o">.<\/span><span class="n">io<\/span><span class="o">.<\/span><span class="n">IOException<\/span> <span class="o">|<\/span> <span class="n">Exceptions<\/span><span class="o">.<\/span><span class="n">ModbusException<\/span> <span class="n">e<\/span><span class="p">)<\/span>\n        <span class="p">{<\/span>           \n        <span class="p">}<\/span>\n    <span class="p">}<\/span>\n<span class="p">}<\/span>\n```\n\nJAVA\u5e93\u6587\u4ef6\u5728\u672c\u9875\u4e0b\u8f7d\n\n```\n<span class="n">package<\/span> <span class="n">run<\/span><span class="p">;<\/span>\n<span class="kn">import<\/span> <span class="nn">de.re.easymodbus.server.<\/span><span class="o">*<\/span><span class="p">;<\/span>\n\n<span class="n">public<\/span> <span class="k">class<\/span> <span class="nc">run<\/span> <span class="p">{<\/span>\n    <span class="n">public<\/span> <span class="n">static<\/span> <span class="n">void<\/span> <span class="n">main<\/span><span class="p">(<\/span><span class="n">String<\/span><span class="p">[]<\/span> <span class="n">args<\/span><span class="p">)<\/span>\n    <span class="p">{<\/span>\n        <span class="n">ModbusServer<\/span> <span class="n">modbusServer<\/span> <span class="o">=<\/span> <span class="n">new<\/span> <span class="n">ModbusServer<\/span><span class="p">();<\/span>\n        <span class="n">modbusServer<\/span><span class="o">.<\/span><span class="n">setPort<\/span><span class="p">(<\/span><span class="mi">1522<\/span><span class="p">);<\/span><span class="o">\/\/<\/span><span class="n">Note<\/span> <span class="n">that<\/span> <span class="n">Standard<\/span> <span class="n">Port<\/span> <span class="k">for<\/span> <span class="n">Modbus<\/span> <span class="n">TCP<\/span> <span class="n">communication<\/span> <span class="ow">is<\/span> <span class="mi">502<\/span>\n        <span class="n">modbusServer<\/span><span class="o">.<\/span><span class="n">coils<\/span><span class="p">[<\/span><span class="mi">1<\/span><span class="p">]<\/span> <span class="o">=<\/span> <span class="n">true<\/span><span class="p">;<\/span>\n        <span class="n">modbusServer<\/span><span class="o">.<\/span><span class="n">holdingRegisters<\/span><span class="p">[<\/span><span class="mi">1<\/span><span class="p">]<\/span> <span class="o">=<\/span> <span class="mi">1234<\/span><span class="p">;<\/span>\n        <span class="k">try<\/span>\n        <span class="p">{<\/span>\n            <span class="n">modbusServer<\/span><span class="o">.<\/span><span class="n">Listen<\/span><span class="p">();<\/span>\n        <span class="p">}<\/span>\n        <span class="n">catch<\/span> <span class="p">(<\/span><span class="n">java<\/span><span class="o">.<\/span><span class="n">io<\/span><span class="o">.<\/span><span class="n">IOException<\/span> <span class="o">|<\/span> <span class="n">Exceptions<\/span><span class="o">.<\/span><span class="n">ModbusException<\/span> <span class="n">e<\/span><span class="p">)<\/span>\n        <span class="p">{<\/span>           \n        <span class="p">}<\/span>\n    <span class="p">}<\/span>\n<span class="p">}<\/span>\n```\n\n---\n*modbus.cn*\n"