{"id":547,"date":"2021-07-27T05:57:53","date_gmt":"2021-07-27T05:57:53","guid":{"rendered":"http:\/\/gongyikun.cn\/?p=547"},"modified":"2021-07-29T01:44:26","modified_gmt":"2021-07-29T01:44:26","slug":"%e5%80%8d%e7%a6%8fmodbus-tcp-rtu%e5%92%8c-tcp-ip%e7%9a%84%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/blog.gongyikun.cn\/?p=547","title":{"rendered":"\u500d\u798fModbus TCP\/RTU\u548c TCP\/IP\u7684\u4f7f\u7528"},"content":{"rendered":"<p><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/tr.beckhoff.com.cn\/course\/view.php?id=125\" title=\"https:\/\/tr.beckhoff.com.cn\/course\/view.php?id=125\">https:\/\/tr.beckhoff.com.cn\/course\/view.php?id=125<\/a><\/p>\n<h1><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/tr.beckhoff.com.cn\/course\/view.php?id=125#section-1\" title=\"Modbus TCP\">Modbus TCP<\/a><\/h1>\n<h2>\u53d8\u91cf\u5b9a\u4e49<\/h2>\n<pre><code class=\"language-cpp line-numbers\">\/\/\u8f93\u5165\u5bc4\u5b58\u5668 \u5c5e\u6027\uff1aR  \u529f\u80fd\u7801\uff1a04H\n    mb_Input_Registers : ARRAY [0..255] OF INT;\n\/\/\u8f93\u51fa\u5bc4\u5b58\u5668 \u5c5e\u6027\uff1aR\/W   \u529f\u80fd\u7801\uff1a03H\n    mb_Output_Registers : ARRAY [0..255] OF INT;\n\/\/\u8f93\u5165\u7ebf\u5708 \u5c5e\u6027\uff1aR  \u529f\u80fd\u7801\uff1a02H\n    mb_Input_Coils : ARRAY [0..255] OF BOOL;\n\/\/\u8f93\u51fa\u7ebf\u5708 \u5c5e\u6027\uff1aR\/W  \u529f\u80fd\u7801\uff1a01H\n    mb_Output_Coils : ARRAY [0..255] OF BOOL;\n<\/code><\/pre>\n<p><strong>\u6309\u7167\u4e0a\u9762\u7684\u53d8\u91cf\u540d\u79f0\u5b9a\u4e49\u5728\u7a0b\u5e8f\u5185\uff0c\u5373\u53ef\u901a\u8fc7modbus\u4f7f\u7528\u5bf9\u5e94\u7684\u529f\u80fd\u7801\u8bfb\u53d6\u5230\u6570\u636e\u3002<br \/>\nmodbus\u5b8c\u6574\u652f\u6301\u5f88\u591a\u529f\u80fd\u7801\uff0c\u4f46\u662f\u5b9e\u9645\u5728\u5e94\u7528\u7684\u65f6\u5019\u5e38\u7528\u7684\u4e5f\u5c31\u90a3\u4e48\u51e0\u4e2a\u3002\u5177\u4f53\u5982\u4e0b\uff1a<\/strong><br \/>\n<strong>0x01: \u8bfb\u7ebf\u5708\u5bc4\u5b58\u5668<\/strong><br \/>\n<strong>0x02: \u8bfb\u79bb\u6563\u8f93\u5165\u5bc4\u5b58\u5668<\/strong><br \/>\n<strong>0x03: \u8bfb\u4fdd\u6301\u5bc4\u5b58\u5668<\/strong><br \/>\n<strong>0x04: \u8bfb\u8f93\u5165\u5bc4\u5b58\u5668<\/strong><br \/>\n<strong>0x05: \u5199\u5355\u4e2a\u7ebf\u5708\u5bc4\u5b58\u5668<\/strong><br \/>\n<strong>0x06: \u5199\u5355\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668<\/strong><br \/>\n<strong>0x0f: \u5199\u591a\u4e2a\u7ebf\u5708\u5bc4\u5b58\u5668<\/strong><br \/>\n<strong>0x10: \u5199\u591a\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668<\/strong><\/p>\n<h2>\u8bfb\u53d6\u5730\u5740<\/h2>\n<p>\u82e5\u6309\u7167\u6b64\u5b9a\u4e49\u65b9\u5f0f\uff0c\u6240\u6709\u7684\u5730\u5740\u90fd\u662f\u4ece<strong>16#8000\uff0832769\uff09<\/strong>\u5f00\u59cb\u8bfb\u53d6\uff0c\u6570\u91cf\u6839\u636e\u5b9a\u4e49\u6570\u91cf\u800c\u5b9a\u3002<\/p>\n<h2>\u8c03\u8bd5<\/h2>\n<blockquote>\n<h4>PLC\u505a\u4e3b\u7ad9\u65f6\uff0c\u8c03\u8bd5\u8f6f\u4ef6\u505a\u4ece\u7ad9<\/h4>\n<\/blockquote>\n<p>\u4f46\u662f\u5982\u679c\u901a\u8fc7\u8c03\u8bd5\u8f6f\u4ef6\uff0c\u4f8b\u5982modcsan32\u3001modbus poll \u7b49\u7b49\u8f6f\u4ef6\u8fdb\u884c\u8bfb\u53d6<strong>\u8f93\u5165\u5bc4\u5b58\u5668\u548c\u4fdd\u6301\u5bc4\u5b58\u5668<\/strong>\u65f6\u53ef\u80fd\u4f1a\u51fa\u73b0\u65e0\u6cd5\u4e00\u6b21\u6027\u8bfb\u5b8c256\u4e2a\u3002<\/p>\n<p>modbus poll\u6700\u591a\u53ea\u5141\u8bb8125\u4e2a\uff1a<br \/>\n<a class=\"wp-editor-md-post-content-link\" href=\"http:\/\/gongyikun.cn\/wp-content\/uploads\/2021\/07\/wp_editor_md_f33786aa6a4217c32f3f0ca6439307fe.jpg\"><img src=\"http:\/\/gongyikun.cn\/wp-content\/uploads\/2021\/07\/wp_editor_md_f33786aa6a4217c32f3f0ca6439307fe.jpg\" alt=\"\" \/><\/a><br \/>\nmodscan 32\u6700\u591a\u5141\u8bb8128\u4e2a\uff1a<br \/>\n<a class=\"wp-editor-md-post-content-link\" href=\"http:\/\/gongyikun.cn\/wp-content\/uploads\/2021\/07\/wp_editor_md_8d85af017b20bcce8007f08c8c5f7daa.jpg\"><img src=\"http:\/\/gongyikun.cn\/wp-content\/uploads\/2021\/07\/wp_editor_md_8d85af017b20bcce8007f08c8c5f7daa.jpg\" alt=\"\" \/><\/a><br \/>\n129\u4e2a\u5c31\u4f1a\u62a5\u9519\uff08\u65e0\u6548\u7684\u6570\u636e\u957f\u5ea6\uff09<br \/>\n<a class=\"wp-editor-md-post-content-link\" href=\"http:\/\/gongyikun.cn\/wp-content\/uploads\/2021\/07\/wp_editor_md_0febd823d4bec0a6b35cb88a283fb0bd.jpg\"><img src=\"http:\/\/gongyikun.cn\/wp-content\/uploads\/2021\/07\/wp_editor_md_0febd823d4bec0a6b35cb88a283fb0bd.jpg\" alt=\"\" \/><\/a><\/p>\n<h1><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/tr.beckhoff.com.cn\/course\/view.php?id=125#section-3\" title=\"Modbus RTU\">Modbus RTU<\/a><\/h1>\n<h1><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/tr.beckhoff.com.cn\/course\/view.php?id=125#section-2\" title=\"TCP\/IP\">TCP\/IP<\/a><\/h1>\n<div class=\"clearfix\"><\/div>","protected":false},"excerpt":{"rendered":"<p>https:\/\/tr.beckhoff.com.cn\/course\/view.php?id=125 Modbu [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=\/wp\/v2\/posts\/547"}],"collection":[{"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=547"}],"version-history":[{"count":6,"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=\/wp\/v2\/posts\/547\/revisions"}],"predecessor-version":[{"id":567,"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=\/wp\/v2\/posts\/547\/revisions\/567"}],"wp:attachment":[{"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=547"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=547"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}