{"id":11490,"date":"2023-01-26T11:38:47","date_gmt":"2023-01-26T03:38:47","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=11490"},"modified":"2026-06-30T23:49:12","modified_gmt":"2026-06-30T15:49:12","slug":"fu-sheng-sc-xi-lie-kong-zhi-qi-modbus-xie-yi-di-zhi-biao-ji-shuo-ming","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/11490.html","title":{"rendered":"\u590d\u76dbSC \u7cfb\u5217\u63a7\u5236\u5668Modbus\u534f\u8bae\u5730\u5740\u8868\u53ca\u8bf4\u660e"},"content":{"rendered":"

\u590d\u76db SC \u7cfb\u5217\u63a7\u5236\u5668\u7684 RS485 \u7aef\u53e3\u9075\u5b88 ModBus RTU \u534f\u8bae\uff0c\u5176\u901a\u8baf\u683c\u5f0f\u56fa\u5b9a \u4e3a\uff1a\u201c9600 E 8 1\u201d\u3002\u5176\u542b\u4e49\u4e3a\uff1a<\/p>\n\n\n\n

–  \u6ce2\u7279\u7387\uff1a 9600 bps<\/p>\n\n\n\n

–  \u68c0\u9a8c\u4f4d\uff1a\u5076\u6821\u9a8c<\/p>\n\n\n\n

–  \u6570\u636e\u4f4d\uff1a 8 \u4f4d<\/p>\n\n\n\n

–  \u505c\u6b62\u4f4d\uff1a 1 \u4f4d<\/p>\n\n\n\n

\u6ce8\uff1a\u590d\u76db\u67d0\u4e9b\u63a7\u5236\u5668\u7684\u6ce2\u7279\u7387\u662f\u53ef\u8c03\u6574\u7684\u3002\u4e3a\u4e86\u907f\u514d\u51fa\u9519\uff0c\u5f3a\u70c8\u5efa\u8bae\u91c7\u7528\u9ed8 \u8ba4\u8bbe\u7f6e\u503c\uff1a 9600bps<\/p>\n\n\n\n

\u590d\u76db SC \u7cfb\u5217\u63a7\u5236\u5668\u4ec5\u652f\u6301 ModBUS RTU \u7684 3 \u53f7\u548c 6 \u53f7\u529f\u80fd\u7801\uff0c\u5176\u901a\u8baf\u683c\u5f0f \u5982\u4e0b\uff1a<\/p>\n\n\n\n

– 3<\/strong> \u53f7\u529f\u80fd\u7801\uff1a \u8bfb N \u4e2a\u5b57\u8282<\/p>\n\n\n\n

\u4e3b\u673a\u8bf7\u6c42\uff1a<\/p>\n\n\n\n

\u4ece\u673a\u5730\u5740<\/td>Function Code<\/td>\u521d\u59cb\u5730\u5740<\/td>\u6570\u636e\u957f\u5ea6<\/td>CRC \u68c0\u9a8c\u7801<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u4ece\u673a\u54cd\u5e94\uff1a<\/p>\n\n\n\n

\u4ece\u673a\u5730\u5740<\/td>Function Code<\/td>\u6570\u636e\u957f\u5ea6<\/td>\u6570\u636e\u5185\u5bb9<\/td>CRC \u6821\u9a8c\u7801<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

– 6<\/strong> \u53f7\u529f\u80fd\u7801\uff1a \u5199 1 \u4e2a\u5b57\u8282<\/p>\n\n\n\n

\u4e3b\u673a\u8bf7\u6c42\uff1a<\/p>\n\n\n\n

\u4ece\u673a\u5730\u5740<\/td>Function Code<\/td>\u5bc4\u5b58\u5668\u5730\u5740<\/td>\u8bbe\u7f6e\u6570\u503c<\/td>CRC \u6821\u9a8c\u7801<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u4ece\u673a\u54cd\u5e94\uff1a<\/p>\n\n\n\n

\u4ece\u673a\u5730\u5740<\/td>Function Code<\/td>\u5bc4\u5b58\u5668\u5730\u5740<\/td>\u8bbe\u7f6e\u6570\u503c<\/td>CRC \u6821\u9a8c\u7801<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

SC \u7cfb\u5217\u63a7\u5236\u5668\u901a\u8baf\u5730\u5740\u8868<\/p>\n\n\n\n

\u5185 \u5bb9<\/td>\u63a7\u5236\u5668\u5730\u5740<\/td>Mod<\/strong>Bus<\/strong> \u5730\u5740<\/td>\u7c7b \u578b<\/td>\u8bfb\/<\/strong>\u5199<\/td>\u5de5\u7a0b\u5355\u4f4d<\/td>\u6570\u503c\u8303\u56f4<\/td>\u5907 \u6ce8<\/td><\/tr>
\u6392\u6c14\u538b\u529b<\/td>0<\/td>40001<\/td>\u5b57<\/td>\u53ea\u8bfb<\/td>0.01MPa<\/td>0~  \u4f20\u611f\u5668\u91cf\u7a0b<\/td> <\/td><\/tr>
\u6392\u6c14\u6e29\u5ea6<\/td>1<\/td>40002<\/td>\u5b57<\/td>\u53ea\u8bfb<\/td>\u2103<\/td>-50~300<\/td> <\/td><\/tr>
\u8fd0\u884c\u65f6\u95f4<\/td>2<\/td>40003<\/td>\u5b57<\/td>\u53ea\u8bfb<\/td>\u5c0f\u65f6<\/td>0~65535<\/td> <\/td><\/tr>
\u52a0\u8f7d\u65f6\u95f4<\/td>3<\/td>40004<\/td>\u5b57<\/td>\u53ea\u8bfb<\/td>\u5c0f\u65f6<\/td>0~65535<\/td> <\/td><\/tr>
\u7535\u673a\u7535\u6d41<\/td>4<\/td>40005<\/td>\u5b57<\/td>\u53ea\u8bfb<\/td>A<\/td>0~\u4f20\u611f\u5668 \u91cf\u7a0b<\/td> <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u6cb9\u6c14\u6876\u538b\u529b<\/td> 5<\/td> 40006<\/td>\u5b57<\/td>\u53ea\u8bfb<\/td> 0.01MPa<\/td>0~  \u4f20\u611f\u5668\u91cf\u7a0b<\/td> <\/td><\/tr>
\u6cb9\u6c14\u6876\u6e29\u5ea6<\/td>6<\/td>40007<\/td>\u5b57<\/td>\u53ea\u8bfb<\/td>\u2103<\/td>-50~300<\/td> <\/td><\/tr>
\u8fd0\u884c\u72b6\u6001(1)<\/td>7<\/td>40008<\/td>\u5b57<\/td>\u53ea\u8bfb<\/td> <\/td> <\/td> <\/td><\/tr>
\u52a0\u8f7d \/  \u5378\u8f7d<\/td>7.0<\/td>40008.0<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td>1=  \u52a0\u8f7d 0=  \u5378\u8f7d<\/td><\/tr>
\u8fd0\u884c \/  \u505c\u673a<\/td>7.1<\/td>40008.1<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td>1=  \u8fd0\u884c 0=  \u505c\u673a<\/td><\/tr>
\u8fd1\u63a7 \/  \u8fdc\u63a7<\/td>7.2<\/td>40008.2<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td>1=  \u8fdc\u63a7 0=  \u8fd1\u63a7<\/td><\/tr>
\u6392\u6c14\u9ad8\u6e29<\/td>7.3<\/td>40008.3<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td>1=  \u62a5\u8b66<\/td><\/tr>
\u76f8\u5e8f\u9519\u8bef<\/td>7.4<\/td>40008.4<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td>1=  \u62a5\u8b66<\/td><\/tr>
\u4e3b\u7535\u673a\u8fc7\u6d41<\/td>7.5<\/td>40008.5<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td>1=  \u62a5\u8b66<\/td><\/tr>
\u7a7a\u6ee4\u538b\u5dee\u62a5\u8b66<\/td>7.6<\/td>40008.6<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td>1=  \u62a5\u8b66<\/td><\/tr>
\u6cb9\u7ec6\u538b\u5dee\u62a5\u8b66<\/td>7.7<\/td>40008.7<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td>1=  \u62a5\u8b66<\/td><\/tr>
\u6cb9\u6ee4\u538b\u5dee\u62a5\u8b66<\/td>7.8<\/td>40008.8<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td>1=  \u62a5\u8b66<\/td><\/tr>
\u98ce\u673a\u8fc7\u6d41<\/td>7.9<\/td>40008.9<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td>1=  \u62a5\u8b66<\/td><\/tr>
\u4f20\u611f\u5668\u6545\u969c<\/td>7.10<\/td>40008.10<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td>1=  \u62a5\u8b66<\/td><\/tr>
\u6cb9\u538b\u8fc7\u4f4e<\/td>7.11<\/td>40008.11<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td>1=  \u62a5\u8b66<\/td><\/tr>
\u4e3b\u7535\u673a\u63a5\u89e6\u5668\u6545 \u969c<\/td>7.12<\/td>40008.12<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td>1=  \u62a5\u8b66<\/td><\/tr>
\u98ce\u673a\u63a5\u89e6\u5668\u6545\u969c<\/td>7.13<\/td>40008.13<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td>1=  \u62a5\u8b66<\/td><\/tr>
\u6392\u6c14\u538b\u529b\u5f02\u5e38<\/td>7.14<\/td>40008.14<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td>1=  \u62a5\u8b66<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u7a7a\u4e45\u505c\u8f66<\/td> 7.15<\/td> 40008.15<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td> 0\/1<\/td>1= \u7a7a \u4e45 \u505c\u8f66<\/td><\/tr>
\u8fd0\u884c\u72b6\u6001(2)<\/td>8<\/td>40009<\/td>\u5b57<\/td>\u53ea\u8bfb<\/td> <\/td> <\/td> <\/td><\/tr>
\u91cd\u6545\u969c<\/td>8.0<\/td>40009.0<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td>1=  \u8df3\u8131<\/td><\/tr>
\u8f7b\u6545\u969c<\/td>8.1<\/td>40009.1<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td>1=  \u62a5\u8b66<\/td><\/tr>
\u7535 \u6e90<\/td>8.2<\/td>40009.2<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td>1=  \u7535 \u6e90 \u5f00<\/td><\/tr>
 <\/td>8.3<\/td>40009.3<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>8.4<\/td>40009.4<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>8.5<\/td>40009.5<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>8.6<\/td>40009.6<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>8.7<\/td>40009.7<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>8.8<\/td>40009.8<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>8.9<\/td>40009.9<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>8.10<\/td>40009.10<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>8.11<\/td>40009.11<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>8.12<\/td>40009.12<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>8.13<\/td>40009.13<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>8.14<\/td>40009.14<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>8.15<\/td>40009.15<\/td>\u4f4d<\/td>\u53ea\u8bfb<\/td> <\/td>0\/1<\/td> <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u8fdc\u7a0b\u63a7\u5236<\/td> 9<\/td> 40010<\/td>\u5b57<\/td>\u53ea\u5199<\/td> <\/td> <\/td> <\/td><\/tr>
\u8fdc\u7a0b\u542f\u52a8*<\/td>9.0<\/td>40010.0<\/td>\u4f4d<\/td>\u53ea\u5199<\/td> <\/td>0\/1<\/td>1=\u6709\u6548<\/td><\/tr>
\u8fdc\u7a0b\u505c\u673a*<\/td>9.1<\/td>40010.1<\/td>\u4f4d<\/td>\u53ea\u5199<\/td> <\/td>0\/1<\/td>1=\u6709\u6548<\/td><\/tr>
\u5f3a\u5236\u5378\u8f7d*<\/td>9.2<\/td>40010.2<\/td>\u4f4d<\/td>\u53ea\u5199<\/td> <\/td>0\/1<\/td>1=\u6709\u6548<\/td><\/tr>
\u5f3a\u5236\u52a0\u8f7d*<\/td>9.3<\/td>40010.3<\/td>\u4f4d<\/td>\u53ea\u5199<\/td> <\/td>0\/1<\/td>1=\u6709\u6548<\/td><\/tr>
 <\/td>9.4<\/td>40010.4<\/td>\u4f4d<\/td>\u53ea\u5199<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>9.5<\/td>40010.5<\/td>\u4f4d<\/td>\u53ea\u5199<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>9.6<\/td>40010.6<\/td>\u4f4d<\/td>\u53ea\u5199<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>9.7<\/td>40010.7<\/td>\u4f4d<\/td>\u53ea\u5199<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>9.8<\/td>40010.8<\/td>\u4f4d<\/td>\u53ea\u5199<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>9.9<\/td>40010.9<\/td>\u4f4d<\/td>\u53ea\u5199<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>9.10<\/td>40010.10<\/td>\u4f4d<\/td>\u53ea\u5199<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>9.11<\/td>40010.11<\/td>\u4f4d<\/td>\u53ea\u5199<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>9.12<\/td>40010.12<\/td>\u4f4d<\/td>\u53ea\u5199<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>9.13<\/td>40010.13<\/td>\u4f4d<\/td>\u53ea\u5199<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>9.14<\/td>40010.14<\/td>\u4f4d<\/td>\u53ea\u5199<\/td> <\/td>0\/1<\/td> <\/td><\/tr>
 <\/td>9.15<\/td>40010.15<\/td>\u4f4d<\/td>\u53ea\u5199<\/td> <\/td>0\/1<\/td> <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u6ce8\uff1a 1.   \u201c\u8fdc\u7a0b\u542f\u52a8\u201d\u548c\u201c\u8fdc\u7a0b\u505c\u673a\u201d\u3001\u201c\u5f3a\u5236\u52a0\u8f7d\u201d\u548c\u201c\u5f3a\u5236\u5378\u8f7d\u201d\u5206\u522b\u662f\u4e92\u9501\u7684\uff0c \u4e00\u4e2a\u6307 \u4ee4\u7f6e\u201c1\u201d\u65f6\uff0c\u53e6\u4e00\u4e2a\u5fc5\u987b\u6e05\u96f6\u3002<\/p>\n\n\n\n

2.  \u8981\u4f7f\u201c\u8fdc\u7a0b\u542f\u52a8\u201d\u6216\u201c\u8fdc\u7a0b\u505c\u673a\u201d\u6307\u4ee4\u6709\u6548\uff0c\u5148\u7f6e\u201c1\u201d\uff0c2~3 \u79d2\u540e\u6e05\u96f6\u5373\u53ef\u3002<\/p>\n<\/span>","protected":false},"excerpt":{"rendered":"

\u590d\u76db SC \u7cfb\u5217\u63a7\u5236\u5668\u7684 RS485 \u7aef\u53e3\u9075\u5b88 ModBus…<\/p>","protected":false},"author":1,"featured_media":25768,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[3095],"tags":[1174,562,1392,1393],"class_list":["post-11490","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-slug-device-registers","tag-nbsp","tag-562","tag-1392","tag-1393"],"_links":{"self":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/11490","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=11490"}],"version-history":[{"count":0,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/11490\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media\/25768"}],"wp:attachment":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media?parent=11490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/categories?post=11490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/tags?post=11490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}