{"id":41687,"date":"2026-04-05T23:33:59","date_gmt":"2026-04-05T15:33:59","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=41687"},"modified":"2026-06-25T22:33:53","modified_gmt":"2026-06-25T14:33:53","slug":"usr-n668-ba-lu-chuan-kou-fu-wu-qi-shuo-ming-shu-8-lu-rs232-rs485-rs422-zhuan-yi-tai-wang-modbus-chan-pin-zhong","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/41687.html","title":{"rendered":"USR-N668\u516b\u8def\u4e32\u53e3\u670d\u52a1\u5668\u8bf4\u660e\u4e66 – 8\u8defRS232\/RS485\/RS422\u8f6c\u4ee5\u592a\u7f51 – Modbus\u4ea7\u54c1\u4e2d\u5fc3"},"content":{"rendered":"
\n

\u4e00\u3001\u4ea7\u54c1\u7b80\u4ecb<\/h2>\n

USR-N668<\/strong>\u662f\u6d4e\u5357\u6709\u4eba\u7269\u8054\u7f51\u6280\u672f\u6709\u9650\u516c\u53f8\u63a8\u51fa\u76848\u8def\u4e32\u53e3\u670d\u52a1\u5668<\/strong>\uff0c\u662f\u4e00\u6b3e\u5b9e\u73b0RJ45\u7f51\u53e3\u4e0eRS232 \/ RS485 \/ RS422\u63a5\u53e3\u4e4b\u95f4\u6570\u636e\u900f\u660e\u4f20\u8f93\u7684\u5de5\u4e1a\u7ea7\u8bbe\u5907\u3002\u8be5\u8bbe\u5907\u642d\u8f7dARM\u5904\u7406\u5668\uff0c\u5177\u6709\u529f\u8017\u4f4e\u3001\u901f\u5ea6\u5feb\u3001\u7a33\u5b9a\u6027\u9ad8<\/strong>\u7684\u7279\u70b9\u3002<\/p>\n

N668\u5185\u90e8\u96c6\u6210\u4e86\u5b8c\u6574\u7684TCP\/IP\u534f\u8bae\u6808<\/strong>\uff0c\u7528\u6237\u5229\u7528\u5b83\u53ef\u4ee5\u8f7b\u677e\u5b8c\u6210\u5d4c\u5165\u5f0f\u8bbe\u5907\u7684\u7f51\u7edc\u5316\u6539\u9020\uff0c\u8282\u7701\u5f00\u53d1\u65f6\u95f4\u4e0e\u4eba\u529b\u6210\u672c\u3002\u672c\u7cfb\u5217\u4ea7\u54c1\u5df2\u5728\u94f6\u884c\u3001\u516c\u8def\u76d1\u63a7\u3001\u5927\u578b\u4f01\u4e1a\u7f51\u7edc\u3001\u89c6\u9891\u76d1\u63a7\u7cfb\u7edf\u4ee5\u53ca\u5149\u7ea4\u8f6c\u4ee5\u592a\u7f51\u7b49\u590d\u6742\u7f51\u7edc\u73af\u5883\u4e2d\u5f97\u5230\u6210\u529f\u5e94\u7528\u3002<\/p>\n

\u4e8c\u3001\u6838\u5fc3\u529f\u80fd\u7279\u70b9<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u529f\u80fd<\/th>\n\u8be6\u7ec6\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n
2\u8def\u4ee5\u592a\u7f51\u53e3<\/strong><\/td>\n10\/100Mbps\u81ea\u9002\u5e94\uff0c\u652f\u6301AUTO-MDIX\u4ea4\u53c9\u76f4\u8fde\u81ea\u52a8\u5207\u6362<\/td>\n<\/tr>\n
8\u8def\u4e32\u53e3<\/strong><\/td>\n\u6bcf\u8def\u4e32\u53e3\u652f\u6301RS232 \/ RS485 \/ RS422\u4e09\u79cd\u6a21\u5f0f\u53ef\u5207\u6362<\/td>\n<\/tr>\n
IP\u83b7\u53d6\u65b9\u5f0f<\/strong><\/td>\nDHCP \/ \u9759\u6001IP\u4e24\u79cd\u65b9\u5f0f<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6a21\u5f0f<\/strong><\/td>\nTCP Server\u3001TCP Client\u3001UDP Client\u3001UDP Server\u3001Httpd Client\u3001SSL Client\u51716\u79cd<\/td>\n<\/tr>\n
\u53ccSocket\u529f\u80fd<\/strong><\/td>\n\u6bcf\u8def\u5747\u652f\u6301\u53ccSocket\uff0c\u505aClient\u65f6\u53ef\u5411\u4e24\u4e2a\u4e0d\u540c\u670d\u52a1\u5668\u53d1\u9001\u6570\u636e<\/td>\n<\/tr>\n
TCP Server\u8fde\u63a5\u6570<\/strong><\/td>\n\u6700\u591a\u652f\u630116\u4e2aClient\u540c\u65f6\u8fde\u63a5<\/td>\n<\/tr>\n
\u5fc3\u8df3\u5305 & \u6ce8\u518c\u5305<\/strong><\/td>\n\u81ea\u5b9a\u4e49\u5fc3\u8df3\u5305\u548c\u6ce8\u518c\u5305\uff0c\u4fdd\u8bc1\u8fde\u63a5\u771f\u5b9e\u53ef\u9760\uff0c\u675c\u7edd\u6b7b\u8fde\u63a5<\/td>\n<\/tr>\n
ModbusTCP\u8f6cRTU<\/strong><\/td>\n\u652f\u6301ModbusTCP\u534f\u8bae\u81ea\u52a8\u8f6c\u6362\u4e3aModbusRTU\u534f\u8bae<\/td>\n<\/tr>\n
\u8d85\u65f6\u91cd\u542f\/\u91cd\u8fde<\/strong><\/td>\n\u65e0\u6570\u636e\u8d85\u65f6\u91cd\u542f\u4e0e\u8d85\u65f6\u91cd\u8fde\uff0c\u65f6\u95f4\u53ef\u81ea\u5b9a\u4e49<\/td>\n<\/tr>\n
MAC\u5730\u5740\u4fee\u6539<\/strong><\/td>\nMAC\u5730\u5740\u53ef\u4fee\u6539\uff0c\u51fa\u5382\u70e7\u5199\u5168\u7403\u552f\u4e00MAC\u5730\u5740<\/td>\n<\/tr>\n
DNS\u57df\u540d\u89e3\u6790<\/strong><\/td>\n\u652f\u6301DNS\u57df\u540d\u89e3\u6790\uff0cDNS\u670d\u52a1\u5668\u5730\u5740\u53ef\u81ea\u5b9a\u4e49\u8bbe\u7f6e<\/td>\n<\/tr>\n
\u8fdc\u7a0b\u7ba1\u7406<\/strong><\/td>\n\u652f\u6301\u8fdc\u7a0b\u76d1\u63a7\u3001\u8fdc\u7a0b\u56fa\u4ef6\u5347\u7ea7<\/td>\n<\/tr>\n
DDNS\u52a8\u6001\u57df\u540d<\/strong><\/td>\n\u652f\u6301\u82b1\u751f\u58f3\u7b49DDNS\u52a8\u6001\u57df\u540d\u89e3\u6790\u529f\u80fd<\/td>\n<\/tr>\n
\u65f6\u95f4\u540c\u6b65<\/strong><\/td>\n\u652f\u6301\u7f51\u7edc\u65f6\u95f4\u540c\u6b65+\u5185\u5efaRTC\u5b9e\u65f6\u65f6\u949f<\/td>\n<\/tr>\n
\u8ba1\u5212\u4efb\u52a1<\/strong><\/td>\n\u7528\u6237\u53ef\u81ea\u5b9a\u4e49\u5b9a\u65f6\u6267\u884c\u8bbe\u5907\u76f8\u5173\u6307\u4ee4<\/td>\n<\/tr>\n
\u914d\u7f6e\u65b9\u5f0f<\/strong><\/td>\n\u7f51\u9875\u914d\u7f6e\u3001\u8bbe\u7f6e\u8f6f\u4ef6\u914d\u7f6e\u3001AT\u6307\u4ee4\u914d\u7f6e\u4e09\u79cd\u65b9\u5f0f<\/td>\n<\/tr>\n
\u865a\u62df\u4e32\u53e3<\/strong><\/td>\n\u914d\u5957USR-VCOM\u865a\u62df\u4e32\u53e3\u8f6f\u4ef6<\/td>\n<\/tr>\n
VPN-PPTP<\/strong><\/td>\n\u652f\u6301PPTP\u534f\u8baeVPN\u94fe\u63a5<\/td>\n<\/tr>\n
GRE\u96a7\u9053<\/strong><\/td>\n\u652f\u6301GRE\u96a7\u9053\u534f\u8bae<\/td>\n<\/tr>\n
\u6062\u590d\u51fa\u5382<\/strong><\/td>\n\u540c\u65f6\u652f\u6301\u8f6f\u4ef6\u548c\u786c\u4ef6\u6062\u590d\u51fa\u5382\u8bbe\u7f6e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u4e09\u3001\u6280\u672f\u53c2\u6570<\/h2>\n

3.1 \u7535\u6c14\u53c2\u6570<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u5206\u7c7b<\/th>\n\u53c2\u6570\u540d\u79f0<\/th>\n\u6570\u503c<\/th>\n<\/tr>\n<\/thead>\n
\u786c\u4ef6\u53c2\u6570<\/td>\n\u5de5\u4f5c\u7535\u538b<\/td>\nAC 85~265V\uff0c50\/60Hz<\/td>\n<\/tr>\n
\u529f\u8017<\/td>\n1.6W<\/td>\n<\/tr>\n
\u7f51\u53e3\u89c4\u683c<\/td>\nRJ45\u300110\/100Mbps\u3001\u4ea4\u53c9\u76f4\u8fde\u81ea\u9002\u5e94<\/td>\n<\/tr>\n
\u7f51\u53e3\u6570\u91cf<\/td>\n2\u8def<\/td>\n<\/tr>\n
\u4e32\u53e3\u53c2\u6570<\/td>\n\u4e32\u53e3\u89c4\u683c<\/td>\nRJ45<\/td>\n<\/tr>\n
\u4e32\u53e3\u6570\u91cf<\/td>\n8\u8def \u00d7 RS232\/RS485\/RS422<\/td>\n<\/tr>\n
\u6ce2\u7279\u7387\u8303\u56f4<\/td>\n300~115200 bps<\/td>\n<\/tr>\n
\u9ed8\u8ba4\u53c2\u6570<\/td>\nNone\/8\/1<\/td>\n<\/tr>\n
\u8f6f\u4ef6\u53c2\u6570<\/td>\n\u7f51\u7edc\u534f\u8bae<\/td>\nIP\u3001TCP\/UDP\u3001ARP\u3001ICMP\u3001IPv4\u3001HTTP\u3001SSL<\/td>\n<\/tr>\n
IP\u83b7\u53d6\u65b9\u5f0f<\/td>\n\u9759\u6001IP \/ DHCP<\/td>\n<\/tr>\n
\u57df\u540d\u89e3\u6790<\/td>\n\u652f\u6301\uff0c\u53ef\u81ea\u5b9a\u4e49DNS\u670d\u52a1\u5668\u5730\u5740<\/td>\n<\/tr>\n
\u900f\u4f20\u65b9\u5f0f<\/td>\nTCP Server\/TCP Client\/UDP Server\/UDP Client\/Httpd Client\/SSL Client<\/td>\n<\/tr>\n
\u7f51\u7edc\u7f13\u5b58<\/td>\n10KB\uff0c\u4e32\u53e3\u7f13\u5b5810KB<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

3.2 \u5176\u4ed6\u53c2\u6570<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u53c2\u6570<\/th>\n\u6570\u503c<\/th>\n<\/tr>\n<\/thead>\n
\u5916\u58f3\u9632\u62a4\u7b49\u7ea7<\/td>\nIP30<\/td>\n<\/tr>\n
\u5916\u5f62\u5c3a\u5bf8<\/td>\n482 \u00d7 185 \u00d7 45 mm\uff08\u673a\u67b6\u5f0f\uff09<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u2103 ~ +85\u2103<\/td>\n<\/tr>\n
\u5b58\u50a8\u6e29\u5ea6<\/td>\n-40\u2103 ~ +105\u2103<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e7f\u5ea6<\/td>\n5% ~ 95% RH\uff08\u65e0\u51dd\u9732\uff09<\/td>\n<\/tr>\n
\u9759\u7535\u7b49\u7ea7(EN61000-4-2)<\/td>\n\u7b49\u7ea74<\/td>\n<\/tr>\n
\u8109\u51b2\u7fa4\u7b49\u7ea7(EN61000-4-4)<\/td>\n\u7b49\u7ea74<\/td>\n<\/tr>\n
\u6d6a\u6d8c\u7b49\u7ea7(EN61000-4-5)<\/td>\n\u7b49\u7ea73<\/td>\n<\/tr>\n
\u5e73\u5747\u4f20\u8f93\u5ef6\u65f6<\/td>\n\u226550ms<\/td>\n<\/tr>\n
\u6253\u5305\u673a\u5236<\/td>\n50ms\u6253\u5305\u65f6\u95f4\uff0c1472\u5b57\u8282\u6253\u5305\u957f\u5ea6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u56db\u3001\u786c\u4ef6\u4ecb\u7ecd<\/h2>\n

4.1 \u62e8\u7801\u5f00\u5173\uff08\u4e32\u53e3\u6a21\u5f0f\u5207\u6362\uff09<\/h3>\n

\u8bbe\u5907\u80cc\u9762\u6709\u62e8\u7801\u5f00\u5173\u8bbe\u7f6e\u7a97\u53e3\uff0c\u9700\u8981\u4f7f\u7528\u5341\u5b57\u82b1\u87ba\u4e1d\u5200\u62c6\u4e0b\u87ba\u4e1d\u624d\u53ef\u4ee5\u770b\u5230\u3002\u5171\u670916\u4e2a\u62e8\u7801\uff088\u8def\u4e32\u53e3 \u00d7 2\u4e2a\/\u8def\uff09\u3002\u4e00\u6b21\u8bbe\u7f6e\u597d\u540e\u6c38\u4e45\u4f7f\u7528\u3002<\/p>\n

\u4e32\u53e3\u6a21\u5f0f\u5bf9\u5e94\u62e8\u7801\u8bbe\u7f6e<\/h4>\n\n\n\n\n\n\n\n
\u901a\u4fe1\u65b9\u5f0f<\/th>\n\u62e8\u78011\uff08\u4ece\u5de6\u5411\u53f3\uff09<\/th>\n\u62e8\u78012\uff08\u4ece\u5de6\u5411\u53f3\uff09<\/th>\n<\/tr>\n<\/thead>\n
RS232<\/td>\n0\uff08\u4e0b\uff09<\/td>\n0\uff08\u4e0b\uff09<\/td>\n<\/tr>\n
RS485<\/td>\n1\uff08\u4e0a\uff09<\/td>\n1\uff08\u4e0a\uff09<\/td>\n<\/tr>\n
RS422<\/td>\n1\uff08\u4e0a\uff09<\/td>\n0\uff08\u4e0b\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u6ce8\u610f\uff1a\u4ee5\u4e1d\u5370\u4e3a\u51c6\uff0c\u62e8\u5230\u4e0a\u9762\u4ee3\u88681\uff0c\u62e8\u5230\u4e0b\u9762\u4ee3\u88680\uff1b\u51fa\u5382\u9ed8\u8ba4\u5747\u4e3aRS485\u6a21\u5f0f\uff0811\uff09<\/em><\/p>\n

4.2 \u4e32\u53e3\u5f15\u811a\u5b9a\u4e49\uff08RJ45\u63a5\u53e3\uff09<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n
\u5e8f\u53f7<\/th>\n\u540d\u79f0<\/th>\n\u529f\u80fd\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\n232_TX \/ 422_Z \/ 485_B1<\/td>\n232\u53d1\u9001\uff1b422\u4fe1\u53f7Z\uff1b485\u4fe1\u53f7B<\/td>\n<\/tr>\n
2<\/td>\n232_RX \/ 422_A1<\/td>\n232\u63a5\u6536\uff1b422\u4fe1\u53f7A<\/td>\n<\/tr>\n
3<\/td>\n422_Y \/ 485_A1<\/td>\n422\u4fe1\u53f7Y\uff1b485\u4fe1\u53f7A<\/td>\n<\/tr>\n
4<\/td>\n422_B1<\/td>\n422\u4fe1\u53f7B<\/td>\n<\/tr>\n
5<\/td>\nNC<\/td>\n\u7a7a\u811a<\/td>\n<\/tr>\n
6<\/td>\nGND<\/td>\n232\u4fe1\u53f7\u5730<\/td>\n<\/tr>\n
7<\/td>\nNC<\/td>\n\u7a7a\u811a<\/td>\n<\/tr>\n
8<\/td>\nNC<\/td>\n\u7a7a\u811a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u6ce8\u610f\uff1aRS232\/RS485\/RS422\u4e09\u9009\u4e00\uff0c\u540c\u4e00\u65f6\u523b\u53ea\u80fd\u4e00\u79cd\u65b9\u5f0f\u5de5\u4f5c\uff1b\u9700\u8981\u6b63\u786e\u7684\u62e8\u7801\u5f00\u5173\u914d\u5408\uff1b\u4f7f\u75288\u82af\u7f51\u7ebf+\u6c34\u6676\u5934\u5236\u4f5c\u901a\u4fe1\u7ebf\u7f06<\/em><\/p>\n

4.3 \u6307\u793a\u706f\u8bf4\u660e<\/h3>\n\n\n\n\n\n\n\n\n\n\n
\u6307\u793a\u706f\u540d\u79f0<\/th>\n\u6807\u8bc6<\/th>\n\u989c\u8272<\/th>\n\u72b6\u6001\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n
\u7535\u6e90\u6307\u793a<\/td>\nPWR<\/td>\n\u7ea2\u8272<\/td>\n\u4e0a\u7535\u540e\u5e38\u4eae<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6307\u793a<\/td>\nWORK<\/td>\n\u7eff\u8272<\/td>\n\u542f\u52a8\u5b8c\u6210\u540e\u5faa\u73af\u95ea\u70c1\uff08500ms\u4eae\/500ms\u706d\uff09<\/td>\n<\/tr>\n
\u72b6\u6001\u6307\u793a<\/td>\nSTATE<\/td>\n\u7ea2\u8272<\/td>\n\u529f\u80fd\u672a\u5b9a\u4e49\uff08\u9884\u7559\uff09<\/td>\n<\/tr>\n
\u5c31\u7eea\u6307\u793a<\/td>\nREADY<\/td>\n\u7eff\u8272<\/td>\n\u8bbe\u5907\u6b63\u5e38\u5de5\u4f5c\u5e38\u4eae\uff1b\u672a\u5de5\u4f5c\u957f\u706d<\/td>\n<\/tr>\n
\u4e32\u53e3\u53d1\u9001\u00d78<\/td>\nTXN<\/td>\n\u7ea2\u8272<\/td>\n\u4e32\u53e3N\u53d1\u9001\u6307\u793a\uff0c\u6709\u6570\u636e\u65f6\u95ea\u70c1<\/td>\n<\/tr>\n
\u4e32\u53e3\u63a5\u6536\u00d78<\/td>\nRXN<\/td>\n\u7eff\u8272<\/td>\n\u4e32\u53e3N\u63a5\u6536\u6307\u793a\uff0c\u6709\u6570\u636e\u65f6\u95ea\u70c1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u4e94\u3001\u9ed8\u8ba4\u53c2\u6570<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u9879\u76ee<\/th>\n\u9ed8\u8ba4\u503c<\/th>\n<\/tr>\n<\/thead>\n
\u7528\u6237\u540d<\/td>\nadmin<\/td>\n<\/tr>\n
\u5bc6\u7801<\/td>\nadmin<\/td>\n<\/tr>\n
IP\u5730\u5740<\/td>\n192.168.0.7<\/td>\n<\/tr>\n
\u5b50\u7f51\u63a9\u7801<\/td>\n255.255.255.0<\/td>\n<\/tr>\n
\u9ed8\u8ba4\u7f51\u5173<\/td>\n192.168.0.1<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6a21\u5f0f<\/td>\nTCP Server<\/td>\n<\/tr>\n
\u76ee\u6807\u7aef\u53e3<\/td>\n20001 ~ 20008\uff08\u7b2c1~8\u8def\uff09<\/td>\n<\/tr>\n
\u672c\u5730\u7aef\u53e3<\/td>\n20001 ~ 20008\uff08\u7b2c1~8\u8def\uff09<\/td>\n<\/tr>\n
\u76ee\u6807IP<\/td>\n192.168.0.201<\/td>\n<\/tr>\n
\u4e32\u53e3\u6ce2\u7279\u7387<\/td>\n115200<\/td>\n<\/tr>\n
\u4e32\u53e3\u53c2\u6570<\/td>\nNone\/8\/1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u516d\u3001\u5de5\u4f5c\u6a21\u5f0f\u8be6\u89e3<\/h2>\n

6.1 TCP Client \u5de5\u4f5c\u65b9\u5f0f<\/h3>\n