{"id":18936,"date":"2022-03-03T14:49:39","date_gmt":"2022-03-03T06:49:39","guid":{"rendered":"https:\/\/hongtronics.com\/?p=18936"},"modified":"2023-04-06T13:08:35","modified_gmt":"2023-04-06T05:08:35","slug":"revpi-modbus-rtu-slave","status":"publish","type":"post","link":"https:\/\/hongtronics.com\/en\/revpi-modbus-rtu-slave\/","title":{"rendered":"\u3010\u5de5\u696d\u6a39\u8393\u6d3e\u3011\u914d\u7f6e Modbus RTU\u5f9e\u7ad9"},"content":{"rendered":"<p class=\"has-normal-font-size\">\u5de5\u696d\u7d1a\u6a39\u8393\u6d3e\u53ef\u505a\u70ba\u5de5\u63a7\u6a5f\u4f7f\u7528\uff0c\u578b\u865f\u548c\u529f\u80fd\u9f4a\u5168\uff0c\u9664\u63a7\u5236\u5668\u6838\u5fc3\u5916\uff0c\u9084\u5305\u62ec\u5404\u985e\u5de5\u696d\u5354\u5b9a\u7db2\u95dc\u4ee5\u53caIO\u64f4\u5c55\u6a21\u584a\u7b49\u3002<\/p>\n\n\n\n<p class=\"has-normal-font-size\">\u5de5\u696d\u7d1a\u6a39\u8393\u6d3e\u5177\u6709\u9ad8\u5ea6\u5de5\u696d\u9069\u7528\u6027\uff0c\u5de5\u4f5c\u6eab\u5ea6\u7bc4\u570d\u9054\u5230-40 ~55 \u00b0C&nbsp;\uff0c\u975c\u96fb\u4fdd\u8b77\u9054\u52304 kV \/ 8 kV&nbsp;\uff0c\u4e14\u6d6a\u6e67\/\u7206\u88c2\u6e2c\u8a66\u4ee5\u53caEMI\u6e2c\u8a66\u90fd\u9054\u5230\u4e86EN61131-2\u548cIEC 61000-6-2\u6a19\u6e96\u7684\u8981\u6c42\u3002\u652f\u63f4Node-RED\u3001Python\u3001\u6216\u7d14C\u7b49\u591a\u7a2e\u7de8\u7a0b\u8a9e\u8a00\uff1b\u652f\u63f4\u901a\u7528\u7684\u5de5\u696d\u7269\u806f\u7db2\uff08IIoT&nbsp;\uff09\u5354\u8b70\uff0c\u5982MQTT\u548cOPC UA\uff1b\u542b\u5169\u500b\u4ee5\u592a\u7db2\u63a5\u53e3\uff0c\u5176\u4e2d\u4e00\u500b\u53ef\u4ee5\u900f\u904eModbus TCP\u5354\u8b70\u9023\u63a5\u5de5\u696d\u73fe\u5834\u7db2\u8def\uff0c\u53e6\u4e00\u500b\u53ef\u4ee5\u9023\u63a5\u4e0a\u7d1a\u7684IT\u7cfb\u7d71\u6216\u662f\u96f2\u7aef\u670d\u52d9\u5668\u3002&nbsp;<\/p>\n\n\n\n<h2 class=\"has-luminous-vivid-amber-background-color has-background wp-block-heading\">Modbus RTU \u5f9e\u7ad9<\/h2>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p class=\"has-normal-font-size\">\u672c\u4f8b\u9069\u7528\u65bcJessie Image\u3002\u4f46\u4e26\u4e0d\u9069\u7528\u65bcWheezy\u3002<\/p>\n\n\n\n<p class=\"has-normal-font-size\">\u5728\u4ee5\u4e0b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u63d0\u4f9b\u4e86\u4e00\u500bModbus RTU\u4e3b\u7ad9\uff0c\u5b83\u63a1\u96c6RevPi Core\u7684CPU\u6eab\u5ea6\u8a0a\u606f\u3002\u6211\u5011\u4f7f\u7528\u7684RevPi Core\u88ab\u8996\u70ba\u5f9e\u7ad9\u3002<\/p>\n\n\n\n<p class=\"has-normal-font-size\">\u63d0\u9192\uff01\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528Windows \u8a08\u7b97\u6a5f\u4e2d\u7684\u201cqModMaster\u201d\u8edf\u9ad4\u4f86\u6a21\u64ecModbus\u4e3b\u7ad9\u3002\u53ef\u4ee5\u5728<a href=\"https:\/\/sourceforge.net\/projects\/qmodmaster\">https:\/\/sourceforge.net\/projects\/qmodmaster<\/a>\u4e0b\u8f09\u6b64\u8edf\u9ad4\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u258d\u6b63\u5f0f\u64cd\u4f5c<\/h2>\n\n\n\n<ul class=\"has-normal-font-size wp-block-list\"><li>\u900f\u904eRJ45\u9023\u63a5\u5668\u5c07RevPi Core\u9023\u63a5\u5230\u4e3b\u7ad9\u7db2\u8def\u3002<\/li><li>\u5c07RevPi Core\u9023\u63a5\u5230\u96fb\u6e90\u3002<\/li><li>\u9996\u5148\u555f\u7528Modbus-RTU \u5f9e\u7ad9\u529f\u80fd\u3002<\/li><li> \u6253\u958b\u7db2\u9801\u700f\u89bd\u5668\u3002<\/li><li> \u5728\u700f\u89bd\u5668\u7684\u5730\u5740\u6b04\u4e2d\u8f38\u5165RevPi Core\u7684IP\u5730\u5740\u3002<\/li><\/ul>\n\n\n\n<p class=\"has-normal-font-size\">\u4e4b\u5f8c\u5c07\u9032\u5165\u767b\u9304\u754c\u9762\u3002<\/p>\n\n\n\n<ul class=\"has-normal-font-size wp-block-list\"><li>\u4f7f\u7528\u7528\u6236\u540d\u201cadmin\u201d\u767b\u9304\u3002<\/li><li>\u8f38\u5165\u5bc6\u78bc\u3002\u4f60\u53ef\u4ee5\u5728RevPi Core\u5074\u9762\u7684\u6a19\u7c64\u4e0a\u627e\u5230\u5b83\u3002<\/li><li>\u9ede\u64ca\u201cLOGIN\u201d\u3002<\/li><\/ul>\n\n\n\n<p class=\"has-normal-font-size\">\u73fe\u5728\u4f60\u53ef\u4ee5\u770b\u5230RevPi Core\u7684\u7576\u524d\u8a2d\u5099\u72c0\u614b\u3002<\/p>\n\n\n\n<ul class=\"has-normal-font-size wp-block-list\"><li>\u9ede\u64ca\u201cSERVICES\u201d\u6a19\u7c64\u3002<\/li><li>\u9ede\u64ca\u201cEnable\/Disable ModbusSlave\u201d \u884c\u4e2d\u7684\u201cEnabled\u201d\u3002<\/li><li>\u9ede\u64ca\u201cSAVE ALL\u201d\u6309\u9215\u3002<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"943\" height=\"646\" src=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-59.jpg\" alt=\"\" class=\"wp-image-18937\" srcset=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-59.jpg 943w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-59-300x206.jpg 300w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-59-600x411.jpg 600w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-59-768x526.jpg 768w\" sizes=\"(max-width: 943px) 100vw, 943px\" \/><\/figure>\n\n\n\n<ul class=\"has-normal-font-size wp-block-list\"><li>\u9ede\u64ca\u201cAPPS\u201d\u6a19\u7c64\u3002<\/li><li>\u9ede\u64ca\u201cPiCtory\u201d\u5f8c\u9762\u7684\u958b\u59cb\u6309\u9215\u3002<\/li><\/ul>\n\n\n\n<p class=\"has-normal-font-size\">\u9032\u5165PiCtory\u754c\u9762\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"> \u258d\u4e0b\u9762\u9032\u884cModbus RTU\u5f9e\u7ad9\u914d\u7f6e\u3002<\/h2>\n\n\n\n<ul class=\"has-normal-font-size wp-block-list\"><li>\u6253\u958b\u8a2d\u5099\u76ee\u9304\u4e2d\u7684\u201cVirtual Devices\u201d\u6587\u4ef6\u593e\u3002<\/li><li>\u9078\u64c7Modbus RTU Slave\u3002<\/li><li>\u6309\u4f4f\u6ed1\u9f20\u5de6\u9375\u4e26\u5c07Modbus RTU\u5f9e\u7ad9\u62d6\u5230RevPiCore\u65c1\u3002Modbus RTU\u5f9e\u7ad9\u73fe\u5728\u5c07\u51fa\u73fe\u5728\u914d\u7f6e\u9762\u677f\u7684\u6700\u53f3\u5074\u3002<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"479\" src=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-60-1024x479.jpg\" alt=\"\" class=\"wp-image-18938\" srcset=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-60-1024x479.jpg 1024w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-60-300x140.jpg 300w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-60-600x281.jpg 600w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-60-768x359.jpg 768w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-60.jpg 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-normal-font-size\">\u5728\u201cDevice Data\u201d\u7a97\u53e3\u4e2d\u8a2d\u7f6e\u8a72\u8a2d\u5099\u7684\u57fa\u672c\u8a2d\u7f6e\u3002\u6b64\u8a2d\u7f6e\u662f\u53ef\u9078\u7684\u3002\u5982\u679c\u4f60\u4f7f\u7528\u5927\u91cf\u8a2d\u5099\u4e26\u5e0c\u671b\u7a0d\u5f8c\u5728\u53e6\u4e00\u500b\u7a0b\u5e8f\u4e2d\u8655\u7406\u6578\u64da\uff0c\u5247\u6b64\u8f38\u5165\u53ef\u80fd\u975e\u5e38\u6709\u7528\u3002<\/p>\n\n\n\n<p class=\"has-normal-font-size\">\u5728\u201cValue Editor\u201d\u4e2d\uff0c\u6211\u5011\u9032\u884c\u6709\u95dcRTU\u9023\u63a5\u7684\u8a2d\u7f6e\u3002\u5728\u672c\u793a\u4f8b\u4e2d\u7684\u8a2d\u7f6e\u662f\uff1a<\/p>\n\n\n\n<p class=\"has-normal-font-size\">device_path: \/dev\/ttyUSB0\u3002<\/p>\n\n\n\n<p class=\"has-normal-font-size\">baud_rate: 19200\u3002<\/p>\n\n\n\n<p class=\"has-normal-font-size\">parity: none\u3002<\/p>\n\n\n\n<p class=\"has-normal-font-size\">data_bits: 8\u3002<\/p>\n\n\n\n<p class=\"has-normal-font-size\">stop_bits: 1\u3002<\/p>\n\n\n\n<p class=\"has-normal-font-size\">modbus_address: 1\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"477\" height=\"148\" src=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-61.jpg\" alt=\"\" class=\"wp-image-18939\" srcset=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-61.jpg 477w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-61-300x93.jpg 300w\" sizes=\"(max-width: 477px) 100vw, 477px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-normal-font-size\">\u4e0b\u9762\u4fdd\u5b58PiCtory\u914d\u7f6e\u3002<\/p>\n\n\n\n<p class=\"has-normal-font-size\">\u9ede\u64ca\u201cFile&gt;Save\u201d\u4ee5\u4fdd\u5b58\u6587\u4ef6\u3002<\/p>\n\n\n\n<p class=\"has-normal-font-size\">\u9ede\u64ca\u201cTools&gt;Reset Driver\u201d\u3002\u9019\u5c07\u6fc0\u6d3b\u8a2d\u5099\u7684\u66f4\u6539\u3002<\/p>\n\n\n\n<p class=\"has-normal-font-size\">\u4e0b\u9762\u8aaa\u660e\u5982\u4f55\u67e5\u8a62CPU\u6eab\u5ea6\u3002<\/p>\n\n\n\n<p class=\"has-normal-font-size\">\u4f60\u53ef\u4ee5\u5728\u547d\u4ee4\u884c\u4e2d\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u8a62RevPi Core\u7684CPU\u6eab\u5ea6\uff1a<\/p>\n\n\n\n<p class=\"has-normal-font-size\">\/usr\/bin\/vcgencmd measure_temp<\/p>\n\n\n\n<p class=\"has-normal-font-size\">\u53ef\u4ee5\u5f97\u5230\u7576\u524d\u7684\u6eab\u5ea6\u8f38\u51fa\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"675\" height=\"95\" src=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-62.jpg\" alt=\"\" class=\"wp-image-18940\" srcset=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-62.jpg 675w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-62-300x42.jpg 300w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-62-600x84.jpg 600w\" sizes=\"(max-width: 675px) 100vw, 675px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-normal-font-size\">\u70ba\u4e86\u5728Modbus\u4e0a\u8655\u7406\u9019\u500b\u503c\uff0c\u9700\u8981\u8f49\u63db\u6b64\u8f38\u51fa\u91cf\u3002\u6eab\u5ea6\u9700\u8981x10\u5373\u53bb\u6389\u5c0f\u6578\u9ede\u4e4b\u5f8c\u518d\u7528\u4f5c\u8f38\u51fa\u91cf\uff1a<\/p>\n\n\n\n<p class=\"has-normal-font-size\">\/usr\/bin\/vcgencmd measure_temp | awk &#8216; { printsubstr($0,6,2) substr($0,9,1) } &#8216;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"803\" height=\"126\" src=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-63.jpg\" alt=\"\" class=\"wp-image-18941\" srcset=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-63.jpg 803w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-63-300x47.jpg 300w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-63-600x94.jpg 600w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-63-768x121.jpg 768w\" sizes=\"(max-width: 803px) 100vw, 803px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-normal-font-size\">\u73fe\u5728\u4f7f\u7528piTest\u5c07\u6578\u64da\u5beb\u5165Modbus\u5bc4\u5b58\u5668\uff1a<\/p>\n\n\n\n<p class=\"has-normal-font-size\">piTest -w Output_1, $(\/usr\/bin\/vcgencmdmeasure_temp | awk &#8216; { print substr($0,6,2) substr($0,9,1) } &#8216;)<\/p>\n\n\n\n<p class=\"has-normal-font-size\">\u70ba\u78ba\u4fdd\u6eab\u5ea6\u4e0d\u50c5\u4e00\u6b21\u5beb\u5165\u5bc4\u5b58\u5668\uff0c\u800c\u662f\u9023\u7e8c\u5beb\u5165\uff0c\u6574\u500b\u904e\u7a0b\u5fc5\u9808\u5faa\u74b0\u904b\u884c\uff1a<\/p>\n\n\n\n<p class=\"has-normal-font-size\">while true; do piTest -wOutput_1,$(\/usr\/bin\/vcgencmd measure_temp | awk &#8216; { print substr($0,6,2)substr($0,9,1) } &#8216;); sleep 1; done &amp;<\/p>\n\n\n\n<p class=\"has-normal-font-size\">\u5982\u679c\u8981\u9000\u51fa\u8a72\u5faa\u74b0\uff0c\u5247\u5fc5\u9808\u9375\u5165\u201cfg\u201d\uff0c\u7136\u5f8c\u9375\u5165CTRL+ C\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"803\" height=\"424\" src=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-64.jpg\" alt=\"\" class=\"wp-image-18942\" srcset=\"https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-64.jpg 803w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-64-300x158.jpg 300w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-64-600x317.jpg 600w, https:\/\/hongtronics.com\/wp-content\/uploads\/2022\/03\/640-64-768x406.jpg 768w\" sizes=\"(max-width: 803px) 100vw, 803px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"> \u258d\u4e0b\u9762\u9032\u884cModbus RTU\u4e3b\u7ad9\u914d\u7f6e\u3002 <\/h2>\n\n\n\n<p class=\"has-normal-font-size\">\u5728\u672c\u793a\u4f8b\u4e2d\u4f7f\u7528\u5de5\u5177\u201cqModMaster\u201d\u4f86\u67e5\u8a62\u503c\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img 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