{"id":26136,"date":"2023-12-06T21:42:24","date_gmt":"2023-12-06T13:42:24","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=26136"},"modified":"2026-06-30T23:44:35","modified_gmt":"2026-06-30T15:44:35","slug":"feng-ji-pan-guan-kong-zhi-qi-modbus-tong-xun-xie-yi","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/26136.html","title":{"rendered":"\u98ce\u673a\u76d8\u7ba1\u63a7\u5236\u5668Modbus\u901a\u8baf\u534f\u8bae"},"content":{"rendered":"
<\/figure>\n\n\n\n
\u7269\u7406\u63a5\u53e3\uff1aRS485<\/td><\/td><\/td><\/tr>
\u901a\u8baf\u534f\u8bae\uff1aModBus\uff0fRTU<\/td><\/td><\/td><\/tr>
\u6ce2\u7279\u7387\u8bbe\u7f6e\uff1a9600\uff0cN,8,1<\/td><\/td><\/td><\/tr>
\u53ef\u652f\u6301\u7684\u529f\u80fd\u7801:0x03,0x04\u548c0x06<\/td><\/td><\/td><\/tr>
00\u5e7f\u64ad\u5730\u5740<\/td>\u65e0\u8fd4\u56de\u503c<\/td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Input Register(\u8bfb\u64cd\u4f5c\uff0c\u529f\u80fd\u78010x04)<\/p>\n\n\n\n

\u53d8\u91cf\u5e8f\u53f7<\/td>\u53d8\u91cf\u63cf\u8ff0<\/td>\u5355\u4f4d<\/td>\u53d8\u91cf\u53d6\u503c<\/td>\u6620\u5c04\u5730\u5740<\/td><\/tr>
30001<\/td>\u56de\u98ce\u6e29\u5ea6<\/td>0.1\u2103<\/td>0\uff0d50.0\u2103<\/td>0x00<\/td><\/tr>
30002<\/td>\u98ce\u673a\u72b6\u6001<\/td>—<\/td>0=\u505c\u6b62,2=\u4f4e\u901f,4=\u4e2d\u901f,8=\u9ad8\u901f<\/td>0x01<\/td><\/tr>
30003<\/td>\u7535\u52a8\u6c34\u9600\u72b6\u6001<\/td>—<\/td>0=\u505c\u6b62\uff0c1=\u8fd0\u884c<\/td>0x02<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Holding Register (\u8bfb\u64cd\u4f5c\uff0c\u529f\u80fd\u78010x03\uff1b\u5199\u64cd\u4f5c\uff0c\u529f\u80fd\u78010x06)<\/p>\n\n\n\n

\u53d8\u91cf\u5e8f\u53f7<\/td>\u53d8\u91cf\u63cf\u8ff0<\/td>\u5355\u4f4d<\/td>\u53d8\u91cf\u53d6\u503c<\/td>\u6620\u5c04\u5730\u5740<\/td><\/tr>
40001<\/td>\u6a21\u5f0f\u64cd\u4f5c<\/td>—<\/td>1=\u5236\u51b7,4=\u901a\u98ce,8=\u5236\u70ed<\/td>0x00<\/td><\/tr>
40002<\/td>\u98ce\u901f\u8bbe\u7f6e<\/td>—<\/td>2=\u4f4e\u901f,4=\u4e2d\u901f,8=\u9ad8\u901f<\/td>0x01<\/td><\/tr>
40003<\/td>\u6e29\u5ea6\u8bbe\u7f6e<\/td>0.1\u2103<\/td>5.0\uff0d35.0\u2103<\/td>0x02<\/td><\/tr>
40004<\/td>\u98ce\u673a\u76d8\u7ba1\u72b6\u6001<\/td>—<\/td>0=\u505c\u673a\uff0c1=\u8fd0\u884c<\/td>0x03<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

1\u3001\u4e0a\u4f4d\u673a\u8bfb\u53d61\uff03\u6e29\u63a7\u5668\u72b6\u6001 (\u5bc4\u5b58\u566830001\u81f330003,\u5bf9\u5e94\u7684\u901a\u8baf\u8d77\u59cb\u5730\u5740\u662f0x00\u81f30x02)<\/p>\n\n\n\n

\u4e3b\u7ad9\u8bf7\u6c42<\/td><\/td>\u4ece\u7ad9\u56de\u5e94<\/td><\/td>Parameter<\/td><\/tr>
Field Name<\/td>(Hex)<\/td>Field Name<\/td>(Hex)<\/td><\/td><\/tr>
Slave Address<\/td>01<\/td>Slave Address<\/td>01<\/td>\u4e3b\u7ad9\u8bbf\u95ee\u4ece\u7ad9\u7684\u8bbe\u5907\u5730\u5740<\/td><\/tr>
Function Code<\/td>04<\/td>Function Code<\/td>04<\/td>\u4e3b\u7ad9\u8bbf\u95ee\u4ece\u7ad9Input\u5bc4\u5b58\u5668\u7684\u529f\u80fd\u7801<\/td><\/tr>
Starting Address Hi<\/td>00<\/td>Byte Count<\/td>06<\/td>\u4ece\u7ad9\u56de\u5e94\u4e3b\u7ad9\u7684\u5b57\u8282\u6570<\/td><\/tr>
Starting Address Lo<\/td>00<\/td>Input Reg.00 Hi<\/td>01<\/td>Reg.00=0X0118\uff0c\u5341\u8fdb\u5236\u662f280\uff0c\u56e0\u6e29\u5ea6\u653e\u5927\u4e8610\u500d\uff0c\u5373\u5f53\u524d\u56de\u98ce\u6e29\u5ea6\u662f28.0\u5ea6\u3002<\/td><\/tr>
Quantity of Input Reg. Hi<\/td>00<\/td>Input Reg.00 Lo<\/td>18<\/td><\/tr>
Quantity of Input Reg. Lo<\/td>03<\/td>Input Reg.01 Hi<\/td>00<\/td>Reg.00=0X0008\uff0c\u5373\u5f53\u524d\u98ce\u901f\u662f\u9ad8\u98ce\u901f\u3002<\/td><\/tr>
CRC Hi<\/td>B0<\/td>Input Reg.01 Lo<\/td>08<\/td><\/tr>
CRC Lo<\/td>0B<\/td>Input Reg.02 Hi<\/td>00<\/td>Reg.00=0X0001\uff0c\u5373\u5f53\u524d\u6c34\u9600\u6253\u5f00\u3002<\/td><\/tr>
<\/td><\/td>Input Reg.02 Lo<\/td>01<\/td><\/tr>
<\/td><\/td>CRC Hi<\/td>01<\/td>\u5f53\u524d\u8fd9\u5e27\u6570\u636eCRC\u8f83\u9a8c\u662f0X0142\uff0c\u82e5\u6570\u636e\u4e0d\u540c\u65f6\u8f83\u9a8c\u7801\u4f1a\u76f8\u5e94\u53d8\u5316\u3002<\/td><\/tr>
<\/td><\/td>CRC LO<\/td>42<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

2\u3001\u4e0a\u4f4d\u673a\u8bfb\u53d61\uff03\u6e29\u63a7\u5668\u7684\u53c2\u6570 (\u5bc4\u5b58\u566840001\u81f340004,\u5bf9\u5e94\u7684\u901a\u8baf\u8d77\u59cb\u5730\u5740\u662f0x00\u81f30x03)<\/p>\n\n\n\n

\u4e3b\u7ad9\u8bf7\u6c42<\/td><\/td>\u4ece\u7ad9\u56de\u5e94<\/td><\/td>Parameter<\/td><\/tr>
Field Name<\/td>(Hex)<\/td>Field Name<\/td>(Hex)<\/td><\/td><\/tr>
Slave Address<\/td>01<\/td>Slave Address<\/td>01<\/td>\u4e3b\u7ad9\u8bbf\u95ee\u4ece\u7ad9\u7684\u8bbe\u5907\u5730\u5740<\/td><\/tr>
Function Code<\/td>03<\/td>Function Code<\/td>03<\/td>\u4e3b\u7ad9\u8bbf\u95ee\u4ece\u7ad9Holding\u5bc4\u5b58\u5668\u7684\u529f\u80fd\u7801<\/td><\/tr>
Starting Address Hi<\/td>00<\/td>Byte Count<\/td>08<\/td>\u4ece\u7ad9\u56de\u5e94\u4e3b\u7ad9\u7684\u5b57\u8282\u6570<\/td><\/tr>
Starting Address Lo<\/td>00<\/td>Holding Reg.00 Hi<\/td>00<\/td>Reg.00=0X0001\uff0c\u5373\u5f53\u524d\u8fd0\u884c\u6a21\u5f0f\u662f\u5236\u51b7\u3002<\/td><\/tr>
Quantity of Holding Reg. Hi<\/td>00<\/td>Holding Reg.00 Lo<\/td>01<\/td><\/tr>
Quantity of Holding Reg. Lo<\/td>04<\/td>Holding Reg.01 Hi<\/td>00<\/td>Reg.01=0X0008\uff0c\u5373\u5f53\u524d\u98ce\u901f\u8bbe\u7f6e\u662f\u9ad8\u98ce\u901f\u3002<\/td><\/tr>
CRC Hi<\/td>44<\/td>Holding Reg.01 Lo<\/td>08<\/td><\/tr>
CRC Lo<\/td>09<\/td>Holding Reg.02 Hi<\/td>00<\/td>Reg.02=0X00F0\uff0c\u5341\u8fdb\u5236\u662f240\uff0c\u56e0\u6e29\u5ea6\u653e\u5927\u4e8610\u500d\uff0c\u5373\u5f53\u524d\u6e29\u5ea6\u8bbe\u7f6e\u662f24.0\u5ea6\u3002<\/td><\/tr>
<\/td><\/td>Holding Reg.02 Lo<\/td>F0<\/td><\/tr>
<\/td><\/td>Holding Reg.03 Hi<\/td>00<\/td>Reg.03=0X0001\uff0c\u5373\u5f53\u524d\u72b6\u6001\u662f\u5f00\u673a\u72b6\u6001\u3002<\/td><\/tr>
<\/td><\/td>Holding Reg.03 Lo<\/td>01<\/td><\/tr>
<\/td><\/td>CRC Hi<\/td>A5<\/td>\u5f53\u524d\u8fd9\u5e27\u6570\u636eCRC\u8f83\u9a8c\u662f0XA525\uff0c\u82e5\u6570\u636e\u4e0d\u540c\u65f6\u8f83\u9a8c\u7801\u4f1a\u76f8\u5e94\u53d8\u5316\u3002<\/td><\/tr>
<\/td><\/td>CRC LO<\/td>25<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

3\u3001\u4e0a\u4f4d\u673a\u8bbe\u7f6e1\uff03\u6e29\u63a7\u5668\u7684\u6a21\u5f0f\u53c2\u6570 (\u5bc4\u5b58\u566840001,\u5bf9\u5e94\u7684\u901a\u8baf\u8d77\u59cb\u5730\u5740\u662f0x00)<\/p>\n\n\n\n

\u4e3b\u7ad9\u8bf7\u6c42<\/td><\/td>\u4ece\u7ad9\u56de\u5e94<\/td><\/td>Parameter<\/td><\/tr>
Field Name<\/td>(Hex)<\/td>Field Name<\/td>(Hex)<\/td><\/td><\/tr>
Slave Address<\/td>01<\/td>Slave Address<\/td>01<\/td>\u4e3b\u7ad9\u8bbf\u95ee\u4ece\u7ad9\u7684\u8bbe\u5907\u5730\u5740<\/td><\/tr>
Function Code<\/td>06<\/td>Function Code<\/td>06<\/td>\u4e3b\u7ad9\u6539\u5199\u4ece\u7ad9Holding\u5bc4\u5b58\u5668\u7684\u53c2\u6570<\/td><\/tr>
Starting Address Hi<\/td>00<\/td>Starting Address Hi<\/td>00<\/td>Holding Reg.\u6a21\u5f0f\u5730\u57400X0000\u3002<\/td><\/tr>
Starting Address Lo<\/td>00<\/td>Starting Address Lo<\/td>00<\/td><\/tr>
Holding Reg. Value Hi<\/td>00<\/td>Holding Reg. Value Hi<\/td>00<\/td>Reg.00=0X0008\uff0c\u5373\u6a21\u5f0f\u6539\u5199\u4e3a\u5236\u70ed\u3002<\/td><\/tr>
Holding Reg. Value Lo<\/td>08<\/td>Holding Reg. Value Lo<\/td>08<\/td><\/tr>
CRC Hi<\/td>88<\/td>CRC Hi<\/td>88<\/td>\u5f53\u524d\u8fd9\u5e27\u6570\u636eCRC\u8f83\u9a8c\u662f0X880C\uff0c\u82e5\u6570\u636e\u4e0d\u540c\u65f6\u8f83\u9a8c\u7801\u4f1a\u76f8\u5e94\u53d8\u5316\u3002<\/td><\/tr>
CRC Lo<\/td>0C<\/td>CRC Lo<\/td>0C<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

4\u3001\u4e0a\u4f4d\u673a\u8bbe\u7f6e1\uff03\u6e29\u63a7\u5668\u7684\u98ce\u901f\u53c2\u6570 (\u5bc4\u5b58\u566840002,\u5bf9\u5e94\u7684\u901a\u8baf\u8d77\u59cb\u5730\u5740\u662f0x01)<\/p>\n\n\n\n

\u4e3b\u7ad9\u8bf7\u6c42<\/td><\/td>\u4ece\u7ad9\u56de\u5e94<\/td><\/td>Parameter<\/td><\/tr>
Field Name<\/td>(Hex)<\/td>Field Name<\/td>(Hex)<\/td><\/td><\/tr>
Slave Address<\/td>01<\/td>Slave Address<\/td>01<\/td>\u4e3b\u7ad9\u8bbf\u95ee\u4ece\u7ad9\u7684\u8bbe\u5907\u5730\u5740<\/td><\/tr>
Function Code<\/td>06<\/td>Function Code<\/td>06<\/td>\u4e3b\u7ad9\u6539\u5199\u4ece\u7ad9Holding\u5bc4\u5b58\u5668\u7684\u53c2\u6570<\/td><\/tr>
Starting Address Hi<\/td>00<\/td>Starting Address Hi<\/td>00<\/td>Holding Reg.\u98ce\u901f\u5730\u57400X0001\u3002<\/td><\/tr>
Starting Address Lo<\/td>01<\/td>Starting Address Lo<\/td>01<\/td><\/tr>
Holding Reg. Value Hi<\/td>00<\/td>Holding Reg. Value Hi<\/td>00<\/td>Reg.00=0X0004\uff0c\u5373\u98ce\u901f\u6539\u5199\u4e3a\u4e2d\u901f\u3002<\/td><\/tr>
Holding Reg. Value Lo<\/td>04<\/td>Holding Reg. Value Lo<\/td>04<\/td><\/tr>
CRC Hi<\/td>D9<\/td>CRC Hi<\/td>D9<\/td>\u5f53\u524d\u8fd9\u5e27\u6570\u636eCRC\u8f83\u9a8c\u662f0XD9C9\uff0c\u82e5\u6570\u636e\u4e0d\u540c\u65f6\u8f83\u9a8c\u7801\u4f1a\u76f8\u5e94\u53d8\u5316\u3002<\/td><\/tr>
CRC Lo<\/td>0C<\/td>CRC Lo<\/td>0C<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

5\u3001\u4e0a\u4f4d\u673a\u8bbe\u7f6e1\uff03\u6e29\u63a7\u5668\u7684\u6e29\u5ea6\u53c2\u6570 (\u5bc4\u5b58\u566840003,\u5bf9\u5e94\u7684\u901a\u8baf\u8d77\u59cb\u5730\u5740\u662f0x02)<\/p>\n\n\n\n

\u4e3b\u7ad9\u8bf7\u6c42<\/td><\/td>\u4ece\u7ad9\u56de\u5e94<\/td><\/td>Parameter<\/td><\/tr>
Field Name<\/td>(Hex)<\/td>Field Name<\/td>(Hex)<\/td><\/td><\/tr>
Slave Address<\/td>01<\/td>Slave Address<\/td>01<\/td>\u4e3b\u7ad9\u8bbf\u95ee\u4ece\u7ad9\u7684\u8bbe\u5907\u5730\u5740<\/td><\/tr>
Function Code<\/td>06<\/td>Function Code<\/td>06<\/td>\u4e3b\u7ad9\u6539\u5199\u4ece\u7ad9Holding\u5bc4\u5b58\u5668\u7684\u53c2\u6570<\/td><\/tr>
Starting Address Hi<\/td>00<\/td>Starting Address Hi<\/td>00<\/td>Holding Reg.\u6e29\u5ea6\u8bbe\u7f6e\u5730\u57400X0002\u3002<\/td><\/tr>
Starting Address Lo<\/td>02<\/td>Starting Address Lo<\/td>02<\/td><\/tr>
Holding Reg. Value Hi<\/td>00<\/td>Holding Reg. Value Hi<\/td>00<\/td>Reg.00=0X00DC\uff0c\u5341\u8fdb\u5236220\uff0c\u5373\u6e29\u5ea6\u8bbe\u7f6e22.0\u5ea6\u3002<\/td><\/tr>
Holding Reg. Value Lo<\/td>DC<\/td>Holding Reg. Value Lo<\/td>DC<\/td><\/tr>
CRC Hi<\/td>29<\/td>CRC Hi<\/td>29<\/td>\u5f53\u524d\u8fd9\u5e27\u6570\u636eCRC\u8f83\u9a8c\u662f0X2993\uff0c\u82e5\u6570\u636e\u4e0d\u540c\u65f6\u8f83\u9a8c\u7801\u4f1a\u76f8\u5e94\u53d8\u5316\u3002<\/td><\/tr>
CRC Lo<\/td>93<\/td>CRC Lo<\/td>93<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

6\u3001\u4e0a\u4f4d\u673a\u8bbe\u7f6e1\uff03\u6e29\u63a7\u5668\u7684\u5f00\u5173\u673a\u72b6\u6001 (\u5bc4\u5b58\u566840004,\u5bf9\u5e94\u7684\u901a\u8baf\u8d77\u59cb\u5730\u5740\u662f0x03)<\/p>\n\n\n\n

\u4e3b\u7ad9\u8bf7\u6c42<\/td><\/td>\u4ece\u7ad9\u56de\u5e94<\/td><\/td>Parameter<\/td><\/tr>
Field Name<\/td>(Hex)<\/td>Field Name<\/td>(Hex)<\/td><\/td><\/tr>
Slave Address<\/td>01<\/td>Slave Address<\/td>01<\/td>\u4e3b\u7ad9\u8bbf\u95ee\u4ece\u7ad9\u7684\u8bbe\u5907\u5730\u5740<\/td><\/tr>
Function Code<\/td>06<\/td>Function Code<\/td>06<\/td>\u4e3b\u7ad9\u6539\u5199\u4ece\u7ad9Holding\u5bc4\u5b58\u5668\u7684\u53c2\u6570<\/td><\/tr>
Starting Address Hi<\/td>00<\/td>Starting Address Hi<\/td>00<\/td>Holding Reg.\u5f00\u5173\u673a\u64cd\u4f5c\u5730\u57400X0003\u3002<\/td><\/tr>
Starting Address Lo<\/td>03<\/td>Starting Address Lo<\/td>03<\/td><\/tr>
Holding Reg. Value Hi<\/td>00<\/td>Holding Reg. Value Hi<\/td>00<\/td>Reg.00=0X0001\uff0c\u5373\u8ba9\u6e29\u63a7\u5668\u5f00\u673a\u3002<\/td><\/tr>
Holding Reg. Value Lo<\/td>01<\/td>Holding Reg. Value Lo<\/td>01<\/td><\/tr>
CRC Hi<\/td>B8<\/td>CRC Hi<\/td>B8<\/td>\u5f53\u524d\u8fd9\u5e27\u6570\u636eCRC\u8f83\u9a8c\u662f0XB80A\uff0c\u82e5\u6570\u636e\u4e0d\u540c\u65f6\u8f83\u9a8c\u7801\u4f1a\u76f8\u5e94\u53d8\u5316\u3002<\/td><\/tr>
CRC Lo<\/td>0A<\/td>CRC Lo<\/td>0A<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/span>","protected":false},"excerpt":{"rendered":"

\u7269\u7406\u63a5\u53e3\uff1aRS485 \u901a\u8baf\u534f\u8bae\uff1aModBus\uff0fRTU \u6ce2\u7279\u7387…<\/p>","protected":false},"author":1,"featured_media":26148,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[3095],"tags":[630,642,1831,651,559],"class_list":["post-26136","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-slug-device-registers","tag-crc","tag-hex","tag-holding","tag-modbus","tag-559"],"_links":{"self":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/26136","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=26136"}],"version-history":[{"count":0,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/26136\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media\/26148"}],"wp:attachment":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media?parent=26136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/categories?post=26136"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/tags?post=26136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}