{"id":11676,"date":"2023-02-11T21:40:48","date_gmt":"2023-02-11T13:40:48","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=11676"},"modified":"2023-02-11T21:40:50","modified_gmt":"2023-02-11T13:40:50","slug":"python-bian-xie-modbustcp-tong-xun-cheng-xu-de-shi-li-dai-ma","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/11676.html","title":{"rendered":"Python\u7f16\u5199ModbusTCP\u901a\u8baf\u7a0b\u5e8f\u7684\u793a\u4f8b\u4ee3\u7801"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Python\u7f16\u5199ModbusTCP\u901a\u8baf\u7a0b\u5e8f\u7684\u793a\u4f8b\u4ee3\u7801<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u5bfc\u5165pymodbus\u5e93\r\nfrom pymodbus.client.sync import ModbusTcpClient\r\n\r\n# \u521b\u5efaModbus TCP\u5ba2\u6237\u7aef\u5bf9\u8c61\r\nclient = ModbusTcpClient('127.0.0.1', port=502)\r\n\r\n# \u8fde\u63a5Modbus TCP\u670d\u52a1\u5668\r\nclient.connect()\r\n\r\n# \u8bfb\u53d6\u4fdd\u6301\u5bc4\u5b58\u5668\u7684\u6570\u636e\r\nresult = client.read_holding_registers(address=0, count=1, unit=1)\r\n\r\n# \u5904\u7406\u8bfb\u53d6\u7ed3\u679c\r\nif result.isError():\r\n    print(\"\u8bfb\u53d6\u4fdd\u6301\u5bc4\u5b58\u5668\u5931\u8d25\uff1a{0}\".format(result))\r\nelse:\r\n    print(\"\u8bfb\u53d6\u4fdd\u6301\u5bc4\u5b58\u5668\u6210\u529f\uff1a{0}\".format(result.registers&#91;0]))\r\n\r\n# \u5199\u5165\u4fdd\u6301\u5bc4\u5b58\u5668\u7684\u6570\u636e\r\nresult = client.write_register(address=0, value=123, unit=1)\r\n\r\n# \u5904\u7406\u5199\u5165\u7ed3\u679c\r\nif result.isError():\r\n    print(\"\u5199\u5165\u4fdd\u6301\u5bc4\u5b58\u5668\u5931\u8d25\uff1a{0}\".format(result))\r\nelse:\r\n    print(\"\u5199\u5165\u4fdd\u6301\u5bc4\u5b58\u5668\u6210\u529f\")\r\n\r\n# \u5173\u95edModbus TCP\u5ba2\u6237\u7aef\u8fde\u63a5\r\nclient.close()\r\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0a\u4ee3\u7801\u4f7f\u7528\u4e86<code>pymodbus<\/code>\u5e93\uff0c\u5b9e\u73b0\u4e86\u5bf9Modbus TCP\u670d\u52a1\u5668\u7684\u8fde\u63a5\u3001\u8bfb\u5199\u4fdd\u6301\u5bc4\u5b58\u5668\u7b49\u64cd\u4f5c\u3002\u5728\u4f7f\u7528\u4e4b\u524d\u9700\u8981\u5148\u5b89\u88c5<code>pymodbus<\/code>\u5e93\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u7684Modbus\u8bbe\u5907\u5730\u5740\u3001\u529f\u80fd\u7801\u3001\u6570\u636e\u7c7b\u578b\u7b49\u53c2\u6570\u8fdb\u884c\u914d\u7f6e\uff0c\u5e76\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8fdb\u884c\u6570\u636e\u8bfb\u5199\u3002\u540c\u65f6\uff0c\u5bf9\u4e8e\u590d\u6742\u7684Modbus\u5e94\u7528\uff0c\u53ef\u80fd\u9700\u8981\u8fdb\u884c\u7a0b\u5e8f\u4f18\u5316\u548c\u786c\u4ef6\u8bbe\u8ba1\uff0c\u786e\u4fdd\u901a\u8baf\u7a33\u5b9a\u548c\u53ef\u9760\u3002<\/p>\n<span id=\"magicpostMarker\"><\/span>","protected":false},"excerpt":{"rendered":"<p>Python\u7f16\u5199ModbusTCP\u901a\u8baf\u7a0b\u5e8f\u7684\u793a\u4f8b\u4ee3\u7801 \u4ee5\u4e0a\u4ee3&#8230;<\/p>","protected":false},"author":1,"featured_media":27977,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[691],"tags":[1087,1184,1278,1153,1139,1210],"class_list":["post-11676","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-modbus-code-base","tag-modbus-tcp","tag-1184","tag-1278","tag-1153","tag-1139","tag-1210"],"_links":{"self":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/11676","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/comments?post=11676"}],"version-history":[{"count":0,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/11676\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media\/27977"}],"wp:attachment":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media?parent=11676"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/categories?post=11676"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/tags?post=11676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}