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Modbus\u7269\u7406\u5c42\u662f\u4e00\u79cd\u5f00\u653e\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u662f\u4e00\u79cd\u57fa\u4e8e\u4e32\u884c\u603b\u7ebf\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u5404\u79cd\u8bbe\u5907\uff0c\u4ee5\u5b9e\u73b0\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002\u5b83\u53ef\u4ee5\u4f7f\u7528RS-232\uff0cRS-485\u6216\u4ee5\u592a\u7f51\u8fdb\u884c\u901a\u4fe1\uff0c\u53ef\u4ee5\u7528\u4e8e\u591a\u79cd\u5e94\u7528\uff0c\u5982\u81ea\u52a8\u5316\uff0c\u5de5\u4e1a\u63a7\u5236\uff0c\u5b89\u5168\u76d1\u63a7\uff0c\u4ee5\u53ca\u8bb8\u591a\u5176\u4ed6\u5e94\u7528\u3002<\/p>\n
Modbus\u7269\u7406\u5c42\u7684\u5de5\u4f5c\u539f\u7406\u662f\uff0c\u5ba2\u6237\u7aef\u53d1\u9001\u4e00\u4e2a\u8bf7\u6c42\u5230\u670d\u52a1\u5668\uff0c\u670d\u52a1\u5668\u6536\u5230\u8bf7\u6c42\u540e\uff0c\u6839\u636e\u8bf7\u6c42\u7684\u5185\u5bb9\u8fd4\u56de\u4e00\u4e2a\u54cd\u5e94\u3002\u8bf7\u6c42\u548c\u54cd\u5e94\u7684\u5185\u5bb9\u53ef\u4ee5\u662f\u6570\u636e\uff0c\u63a7\u5236\u4fe1\u606f\uff0c\u6216\u8005\u5176\u4ed6\u4fe1\u606f\u3002<\/p>\n
Modbus\u7269\u7406\u5c42\u4f7f\u7528\u4e24\u79cd\u7c7b\u578b\u7684\u6d88\u606f\uff0c\u5373\u8bf7\u6c42\u6d88\u606f\u548c\u54cd\u5e94\u6d88\u606f\u3002\u8bf7\u6c42\u6d88\u606f\u662f\u5ba2\u6237\u7aef\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u6d88\u606f\uff0c\u54cd\u5e94\u6d88\u606f\u662f\u670d\u52a1\u5668\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u7684\u6d88\u606f\u3002<\/p>\n
Modbus\u7269\u7406\u5c42\u652f\u6301\u591a\u79cd\u7c7b\u578b\u7684\u6d88\u606f\uff0c\u5305\u62ec\u8bfb\u53d6\u6570\u636e\uff0c\u5199\u5165\u6570\u636e\uff0c\u63a7\u5236\u8bbe\u5907\uff0c\u83b7\u53d6\u8bbe\u5907\u72b6\u6001\uff0c\u4ee5\u53ca\u5176\u4ed6\u64cd\u4f5c\u3002\u5b83\u8fd8\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u5305\u62ec\u6574\u6570\uff0c\u6d6e\u70b9\u6570\uff0c\u5b57\u7b26\u4e32\uff0c\u65e5\u671f\u65f6\u95f4\uff0c\u4ee5\u53ca\u5176\u4ed6\u6570\u636e\u7c7b\u578b\u3002<\/p>\n
Modbus\u7269\u7406\u5c42\u5177\u6709\u826f\u597d\u7684\u53ef\u6269\u5c55\u6027\u548c\u53ef\u79fb\u690d\u6027\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u5404\u79cd\u73af\u5883\uff0c\u5982\u5de5\u4e1a\u63a7\u5236\uff0c\u5bb6\u5ead\u81ea\u52a8\u5316\uff0c\u4ee5\u53ca\u8bb8\u591a\u5176\u4ed6\u5e94\u7528\u3002\u5b83\u53ef\u4ee5\u4f7f\u7528RS-232\uff0cRS-485\u6216\u4ee5\u592a\u7f51\u8fdb\u884c\u901a\u4fe1\uff0c\u53ef\u4ee5\u6ee1\u8db3\u5404\u79cd\u5e94\u7528\u7684\u9700\u6c42\u3002<\/p>\n
Modbus\u7269\u7406\u5c42\u8fd8\u5177\u6709\u826f\u597d\u7684\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u3002\u5b83\u53ef\u4ee5\u4f7f\u7528CRC\u6821\u9a8c\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\uff0c\u5e76\u53ef\u4ee5\u4f7f\u7528\u5bc6\u7801\u52a0\u5bc6\u4fdd\u62a4\u6570\u636e\u5b89\u5168\u3002<\/p>\n
Modbus\u7269\u7406\u5c42\u8fd8\u5177\u6709\u826f\u597d\u7684\u6613\u7528\u6027\u548c\u53ef\u7528\u6027\u3002\u5b83\u53ef\u4ee5\u4f7f\u7528\u7b80\u5355\u7684API\u63a5\u53e3\u8bbf\u95ee\uff0c\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u591a\u79cd\u529f\u80fd\uff0c\u800c\u4e0d\u9700\u8981\u590d\u6742\u7684\u7f16\u7a0b\u3002<\/p>\n
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