{"id":40384,"date":"2023-10-05T17:34:43","date_gmt":"2023-10-05T09:34:43","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=40384"},"modified":"2023-10-05T17:34:43","modified_gmt":"2023-10-05T09:34:43","slug":"jjmycgnm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/40384.html","title":{"rendered":"\u89e3\u51b3Modbus\u5f02\u5e38\u529f\u80fd\u780184"},"content":{"rendered":"<p>&emsp;&emsp;Modbus\u5f02\u5e38\u529f\u80fd\u780184\u662fModbus\u534f\u8bae\u4e2d\u67d0\u4e9b\u7279\u5b9a\u7684\u529f\u80fd\u7801\u51fa\u73b0\u9519\u8bef\u65f6\u8fd4\u56de\u7684\u9519\u8bef\u7801\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u63d0\u9192\u7528\u6237\uff0c\u67d0\u4e9b\u529f\u80fd\u7801\u53ef\u80fd\u51fa\u73b0\u95ee\u9898\uff0c\u4ee5\u4fbf\u53ca\u65f6\u53d1\u73b0\u548c\u89e3\u51b3\u95ee\u9898\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u89e3\u51b3Modbus\u5f02\u5e38\u529f\u80fd\u780184\u3002<\/p>\n<h2 style=\"text-align: center;\">Modbus\u5f02\u5e38\u529f\u80fd\u780184\u7684\u5b9a\u4e49<\/h2>\n<p>&emsp;&emsp;Modbus\u5f02\u5e38\u529f\u80fd\u780184\u662f\u4e00\u79cd\u7279\u5b9a\u7684\u9519\u8bef\u7801\uff0c\u5b83\u6307\u793a\u67d0\u4e9b\u7279\u5b9a\u7684\u529f\u80fd\u7801\u51fa\u73b0\u95ee\u9898\u65f6\u6240\u8fd4\u56de\u7684\u9519\u8bef\u7801\u3002Modbus\u5f02\u5e38\u529f\u80fd\u780184\u7684\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u5f02\u5e38\u529f\u80fd\u7801\uff1a84<\/li>\n<li>\u5f02\u5e38\u7c7b\u578b\uff1aIllegal Data Value<\/li>\n<li>\u5f02\u5e38\u63cf\u8ff0\uff1a\u67d0\u4e9b\u529f\u80fd\u7801\u7684\u6570\u636e\u4e0d\u5408\u6cd5<\/li>\n<\/ul>\n<h2 style=\"text-align: center;\">Modbus\u5f02\u5e38\u529f\u80fd\u780184\u7684\u539f\u56e0<\/h2>\n<p>&emsp;&emsp;Modbus\u5f02\u5e38\u529f\u80fd\u780184\u7684\u51fa\u73b0\uff0c\u4e00\u822c\u662f\u7531\u4e8e\u67d0\u4e9b\u7279\u5b9a\u7684\u529f\u80fd\u7801\u51fa\u73b0\u9519\u8bef\u5bfc\u81f4\u7684\u3002\u4e0b\u9762\u5c06\u5217\u4e3e\u51e0\u79cd\u5e38\u89c1\u7684\u5f02\u5e38\u529f\u80fd\u780184\u51fa\u73b0\u7684\u539f\u56e0\uff1a<\/p>\n<h3>&emsp;&emsp;1.\u6570\u636e\u957f\u5ea6\u4e0d\u6b63\u786e<\/h3>\n<p>&emsp;&emsp;\u5f53\u67d0\u4e9b\u529f\u80fd\u7801\u7684\u6570\u636e\u957f\u5ea6\u4e0d\u7b26\u5408Modbus\u534f\u8bae\u8981\u6c42\u65f6\uff0c\u5c31\u4f1a\u51fa\u73b0\u5f02\u5e38\u529f\u80fd\u780184\u3002\u6bd4\u5982\uff0c\u5f53\u8bbe\u5907\u8981\u6c42\u8bfb\u53d6\u4e00\u4e2a\u5b57\u8282\u7684\u6570\u636e\uff0c\u800c\u5b9e\u9645\u53d1\u9001\u7684\u6570\u636e\u957f\u5ea6\u53ea\u6709\u4e00\u534a\u65f6\uff0c\u5c31\u4f1a\u51fa\u73b0\u5f02\u5e38\u529f\u80fd\u780184\u3002<\/p>\n<h3>&emsp;&emsp;2.\u6570\u636e\u683c\u5f0f\u4e0d\u6b63\u786e<\/h3>\n<p>&emsp;&emsp;\u5f53\u67d0\u4e9b\u529f\u80fd\u7801\u7684\u6570\u636e\u683c\u5f0f\u4e0d\u7b26\u5408Modbus\u534f\u8bae\u8981\u6c42\u65f6\uff0c\u5c31\u4f1a\u51fa\u73b0\u5f02\u5e38\u529f\u80fd\u780184\u3002\u6bd4\u5982\uff0c\u5f53\u8bbe\u5907\u8981\u6c42\u8bfb\u53d6\u4e00\u4e2a\u6d6e\u70b9\u6570\u636e\uff0c\u800c\u5b9e\u9645\u53d1\u9001\u7684\u6570\u636e\u683c\u5f0f\u662f\u6574\u6570\u65f6\uff0c\u5c31\u4f1a\u51fa\u73b0\u5f02\u5e38\u529f\u80fd\u780184\u3002<\/p>\n<h3>&emsp;&emsp;3.\u6570\u636e\u8303\u56f4\u4e0d\u6b63\u786e<\/h3>\n<p>&emsp;&emsp;\u5f53\u67d0\u4e9b\u529f\u80fd\u7801\u7684\u6570\u636e\u8303\u56f4\u4e0d\u7b26\u5408Modbus\u534f\u8bae\u8981\u6c42\u65f6\uff0c\u5c31\u4f1a\u51fa\u73b0\u5f02\u5e38\u529f\u80fd\u780184\u3002\u6bd4\u5982\uff0c\u5f53\u8bbe\u5907\u8981\u6c42\u8bfb\u53d6\u4e00\u4e2a\u8303\u56f4\u57280-100\u4e4b\u95f4\u7684\u6570\u636e\uff0c\u800c\u5b9e\u9645\u53d1\u9001\u7684\u6570\u636e\u8d85\u51fa\u4e86\u8303\u56f4\u65f6\uff0c\u5c31\u4f1a\u51fa\u73b0\u5f02\u5e38\u529f\u80fd\u780184\u3002<\/p>\n<h2 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style=\"text-align: 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