"# \u57fa\u4e8eJava\u5b9e\u73b0Modbus TCP Server\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u4f7f\u7528Jamod\u5e93\n\n> 2023-02-11 | 2023-02-11\n> https:\/\/www.modbus.cn\/en\/11663.html\n\n**Modbus\u7f16\u7a0b\u5f00\u53d1**\n\n---\n\n```\nimport net.wimpi.modbus.Modbus;\nimport net.wimpi.modbus.ModbusCoupler;\nimport net.wimpi.modbus.io.ModbusTCPListener;\nimport net.wimpi.modbus.procimg.*;\nimport net.wimpi.modbus.util.*;\n\nimport java.net.InetAddress;\nimport java.net.UnknownHostException;\n\npublic class ModbusTCPServerExample {\n\n  public static void main(String[] args) {\n\n    try {\n      \/\/ \u521b\u5efa\u4e00\u4e2a\u5b9e\u73b0\u4e86ModbusSlave\u63a5\u53e3\u7684SimpleProcessImage\n      SimpleProcessImage spi = new SimpleProcessImage();\n      spi.addDigitalOut(new SimpleDigitalOut(true));\n      spi.addDigitalIn(new SimpleDigitalIn(false));\n      spi.addInputRegister(new SimpleInputRegister(45));\n      spi.addRegister(new SimpleRegister(251));\n      ModbusCoupler.getReference().setProcessImage(spi);\n      ModbusCoupler.getReference().setMaster(false);\n      ModbusCoupler.getReference().setUnitID(1);\n\n      \/\/ \u83b7\u53d6\u672c\u5730IP\u5730\u5740\n      InetAddress addr = InetAddress.getLocalHost();\n      String ipAddress = addr.getHostAddress();\n\n      \/\/ \u521b\u5efaModbusTCPListener\u5bf9\u8c61\uff0c\u76d1\u542c\u6307\u5b9a\u7aef\u53e3\n      ModbusTCPListener listener = new ModbusTCPListener(1);\n      listener.setAddress(addr);\n      listener.open();\n\n      \/\/ \u6253\u5370\u670d\u52a1\u5668\u4fe1\u606f\n      System.out.println(\"Modbus TCP server running at \" + ipAddress + \":\" + Modbus.DEFAULT_PORT);\n\n    } catch (UnknownHostException e) {\n      e.printStackTrace();\n    } catch (Exception e) {\n      e.printStackTrace();\n    }\n  }\n}\n\n```\n\n\u8fd9\u4e2a\u793a\u4f8b\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a\u7b80\u5355\u7684Modbus TCP\u670d\u52a1\u5668\uff0c\u4f7f\u7528\u4e00\u4e2a\u5b9e\u73b0\u4e86ModbusSlave\u63a5\u53e3\u7684SimpleProcessImage\u6765\u5b58\u50a8\u6570\u636e\u3002SimpleProcessImage\u5305\u62ec\u4e00\u4e2a\u6570\u5b57\u8f93\u51fa\u3001\u4e00\u4e2a\u6570\u5b57\u8f93\u5165\u3001\u4e00\u4e2a\u8f93\u5165\u5bc4\u5b58\u5668\u548c\u4e00\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668\u3002\u5728main\u51fd\u6570\u4e2d\uff0c\u9996\u5148\u521b\u5efa\u4e00\u4e2aSimpleProcessImage\uff0c\u7136\u540e\u5c06\u5176\u8bbe\u7f6e\u4e3aModbusCoupler\u7684\u8fc7\u7a0b\u6620\u50cf\u3002\u7136\u540e\uff0c\u5c06ModbusCoupler\u7684\u4e3b\/\u4ece\u6a21\u5f0f\u8bbe\u7f6e\u4e3a\u4ece\u6a21\u5f0f\uff0c\u5e76\u5c06\u5355\u4f4dID\u8bbe\u7f6e\u4e3a1\u3002\u63a5\u4e0b\u6765\uff0c\u83b7\u53d6\u672c\u5730IP\u5730\u5740\uff0c\u5e76\u4f7f\u7528ModbusTCPListener\u5bf9\u8c61\u76d1\u542c\u9ed8\u8ba4\u7aef\u53e3\uff08502\uff09\u3002\u6700\u540e\uff0c\u6253\u5370\u670d\u52a1\u5668\u4fe1\u606f\u3002\n\n---\n*modbus.cn*\n"