"# Modbus4j - Java\u7248\u672cmodbus\u534f\u8bae\u5b9e\u73b0\n\n> 2023-04-09 | 2023-04-09\n> https:\/\/www.modbus.cn\/en\/11988.html\n\n**Modbus\u7f16\u7a0b\u5f00\u53d1**\n\n---\n\n**GitHub\uff1a**[https:\/\/github.com\/infiniteautomation\/modbus4j](https:\/\/github.com\/infiniteautomation\/modbus4j)\n\n\u7531Infinite Automation Systems\u548cSerotonin Software\u7528Java\u7f16\u5199\u7684Modbus\u534f\u8bae\u7684\u9ad8\u6027\u80fd\u548c\u6613\u7528\u6027\u5b9e\u73b0\u3002\u652f\u6301ASCII\uff0cRTU\uff0cTCP\u548cUDP\u4f20\u8f93\u4f5c\u4e3a\u4ece\u5c5e\u6216\u4e3b\u7528\uff0c\u81ea\u52a8\u8bf7\u6c42\u5206\u533a\u548c\u54cd\u5e94\u6570\u636e\u7c7b\u578b\u89e3\u6790\u3002\n\n\u73b0\u5728\u53ef\u4ee5\u4f7f\u7528\u6700\u65b0\u7248\u672c\u7684\u516c\u5171Maven\u5b58\u50a8\u5e93\uff0c\u5c06\u5176\u6dfb\u52a0\u5230pom.xml\u4e2d\n\n```\n<repositories>\n    <repository>\n        <releases>\n            <enabled>false<\/enabled>\n        <\/releases>\n        <snapshots>\n            <enabled>true<\/enabled>\n        <\/snapshots>\n        <id>ias-snapshots<\/id>\n        <name>Infinite Automation Snapshot Repository<\/name>\n        <url>https:\/\/maven.mangoautomation.net\/repository\/ias-snapshot\/<\/url>\n    <\/repository>\n    <repository>\n        <releases>\n            <enabled>true<\/enabled>\n        <\/releases>\n        <snapshots>\n            <enabled>false<\/enabled>\n        <\/snapshots>\n        <id>ias-releases<\/id>\n        <name>Infinite Automation Release Repository<\/name>\n        <url>https:\/\/maven.mangoautomation.net\/repository\/ias-release\/<\/url>\n    <\/repository>\n<\/repositories>\n\n```\n\n\u4f9d\u8d56\u9879\u4fe1\u606f\u4e3a\uff1a\n\n```\n<dependency>\n    <groupId>com.infiniteautomation<\/groupId>\n    <artifactId>modbus4j<\/artifactId>\n    <version>3.0.3<\/version>\n<\/dependency>\n\n```\n\n### \u6838\u5fc3\u7c7b\n\n- \u4e3b\u673aMaster\u53ca\u5176\u5b50\u7c7b\uff1a\u4e3b\u673a\u7684\u5165\u53e3\uff0c\u6570\u636e\u6d41\u7684\u8d77\u70b9\u548c\u7ec8\u70b9\u3002\n\n- \u6570\u636e\u7aef\u53e3\u7c7bStreamTransport\uff1a\u8d1f\u8d23\u6570\u636e\u7684\u5199\u5165\u548c\u8bfb\u51fa\u3002\n\n- Modbus\u6d88\u606f\u7c7bModbusMessage\u53ca\u5176\u5b50\u7c7b\uff1a\u652f\u6301Modbus\u5b9a\u4e49\u7684\u5404\u79cd\u65b9\u6cd5\uff08FunctionCode\uff09\n\n\u6536\u53d1\u6570\u636e\u63a7\u5236\u7c7bMessageControl\uff1a\u652f\u6301 timeout\u3001retries\uff0c\u9ed8\u8ba4200ms\uff0c1\u6b21\u3002\n\n- \u6536\u53d1\u7b49\u5f85\u5ba4WaitingRoom\uff1a\u8d1f\u8d23\u540c\u6b65\u6536\u53d1\u903b\u8f91\u3002\n\n- \u8f93\u51faRequest\u6d88\u606f\u7c7b\uff1aOutgoingRequestMessage \u53ca\u5176\u5b50\u7c7b\u3002\n\n- \u6536\u5230Response\u6d88\u606f\u7c7b\uff1aIncomingResponseMessage \u53ca\u5176\u5b50\u7c7b\u3002\n\n- \u89e3\u6790\u7c7bMessageParser\uff1a\u8d1f\u8d23\u89e3\u6790\u6536\u5230\u7684\u6d88\u606f\u3002\n\n- \u534f\u8bae\u6570\u636e\u7c7b\u578b\u5b9a\u4e49\uff1aDataType\n\n- \u534f\u8bae\u529f\u80fd\u7801\u5b9a\u4e49\uff1aFunctionCode\n\n- \u534f\u8bae\u5bc4\u5b58\u5668\u8303\u56f4\uff1aRegisterRange\n\n### \u6570\u636e\u6d41\u7a0b\n\n- \u900f\u8fc7`ModbusFactory`\u521b\u5efa\u5bf9\u5e94\u7684`Master`\u5bf9\u8c61\u3002\n\n- \u5c01\u88c5\u9700\u8981\u53d1\u9001\u7684\u6307\u4ee4\uff0c\u6bd4\u5982`ReadHoldingRegistersRequest`\uff0c\u8fd9\u662f\u4e00\u4e2a\u8bfb\u5bc4\u5b58\u5668\u6307\u4ee4\uff0c\u6307\u5b9a\u5bc4\u5b58\u5668\u5730\u5740\u548c\u957f\u5ea6\u5373\u53ef\u3002\n\n- `Master`\u5bf9\u8c61\u5c06\u8fd9\u4e2a`ReadHoldingRegistersRequest`\u8f6c\u5316\u4e3a`OutgoingRequestMessage`\u5bf9\u8c61\uff0c\u7136\u540e\u4f20\u8f93\u7ed9`MessageControl`\u3002\n\n- \u900f\u8fc7\u9a71\u52a8\u5c42\uff0c`MessageControl`\u5c06\u8fd9\u4e2a`OutgoingRequestMessage`\u5199\u5165\u5bf9\u5e94\u7684\u901a\u8baf\u786c\u4ef6\u5916\u8bbe\uff08\u4e32\u53e3\u3001\u7f51\u53e3\u7b49\uff09\uff0c\u5e76\u7b49\u5f85\u8fd4\u56de\u6570\u636e`IncomingResponseMessage`\u3002\n\n- \u5982\u679c\u6ca1\u6709\u7b49\u5230\uff0c\u5c31\u8fd4\u56denull\uff0c\u5e76\u63d0\u9192\u8d85\u65f6\u3002\n\n- \u5982\u679c\u7b49\u5230\u4e86\u6709\u6548\u8fd4\u56de\uff0c\u5219`MessageControl`\u5229\u7528`MessageParser`\u5c06`IncomingResponseMessage`\u8f6c\u5316\u4e3a\u5bf9\u5e94`ModbusResponse`\u8fd4\u56de\u7ed9\u4e0a\u5c42\u3002\n\n### \u5355\u5143\u6d4b\u8bd5\n\n\u5728modbus4j\/src_test\/\u5b9a\u4e49\u4e86\u4e00\u7cfb\u5217\u5355\u5143\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u8ddf\u8e2a\u5176\u4e2d\u76f8\u5173\u65b9\u6cd5\uff0c\u5373\u53ef\u4e86\u89e3modbus\u534f\u8bae\u7684\u5b9e\u9645\u8fd0\u4f5c\u6d41\u7a0b\u3002\n\n---\n*modbus.cn*\n"