"# \u897f\u95e8\u5b50PLC S7-200 \u901a\u8fc7\u4e32\u53e3\u670d\u52a1\u5668\u8fde\u63a5 Modbus\u7269\u8054\u7f51\u5e73\u53f0\n\n> 2023-02-13 | 2026-07-01\n> https:\/\/www.modbus.cn\/en\/11751.html\n\n**\u4e91\u5e73\u53f0\u63a5\u5165\u6307\u5357**\n\n---\n\n\u672c\u6848\u4f8b\u4e2d PLC \u548c \u4e32\u53e3\u670d\u52a1\u5668 \u901a\u8baf\u5229\u7528\u7684\u662f\u7684\u201c\u900f\u4f20\u6a21\u5f0f\u201d\uff0cPLC \u548c\u5e73\u53f0\u4e4b\u95f4\u5229\u7528\u7684\u662f MODBUS-RTU \u534f\u8bae\u8fdb\u884c\u901a\u8baf\u3002\n\nS7-200 \u901a\u8fc7\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u652f\u6301 MODBUS-RTU \u901a\u4fe1\u534f\u8bae\uff1a\n\n\u2003\u2003\uff081\uff09\uff1a S7-200 CPU \u4e0a\u7684\u901a\u4fe1\u53e3 0\uff08port0\uff09\u901a\u8fc7\u6307\u4ee4\u5e93\u652f\u6301 Modbus RTU \u4ece\u7ad9\u6a21\u5f0f\u3002\n\n\u2003\u2003\uff082\uff09\uff1a S7-200 CPU \u4e0a\u7684\u901a\u4fe1\u53e3 0 \u548c 1\uff08port0 \u548c port1\uff09\u901a\u8fc7\u6307\u4ee4\u5e93\u652f\u6301 Modbus RTU \u4e3b\u7ad9 \u6a21\u5f0f\u3002\n\n\uff08\u6ce8\uff1a\u6307\u4ee4\u5e93\u53ef\u5728\u897f\u95e8\u5b50\u63d0\u4f9b\u7684\u76f8\u5173\u7f51\u7ad9\u8fdb\u884c\u4e0b\u8f7d\uff09 .\n\n\u2003 \u672c\u6848\u4f8b\u4e2d\u7528\u5230\u7684\u662f\u7b2c\u4e00\u79cd\u65b9\u5f0f\uff0cS7-200 \u7528\u4f5c\u4ece\u7ad9\u548c Modbus\u7269\u8054\u7f51\u5e73\u53f0\u901a\u4fe1\u3002\n\n### \u4e00.\u9009\u62e9\u4ea7\u54c1:\n\n\u2003\u20031.PLC\uff1aS7-200CN\n\n\u2003\u20032.\u5353\u5c9a\u4e32\u53e3\u670d\u52a1\u5668ZLAN5143\n\n### \u4e8c.\u8bbe\u7f6ePLC\u901a\u8baf\u4fe1\u606f\n\nS7-200 \u901a\u8baf\u7684\u4e3e\u4f8b\u7a0b\u5e8f\u5982\u4e0b\u56fe\u6240\u793a\uff1a\uff08**\u672c\u9875\u6709\u4f8b\u7a0b\u4e0b\u8f7d**\uff09\u3002\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/02\/20231128215255149.png)\n\n\u2003\u2003Mode\uff1a\u542f\u52a8\/\u505c\u6b62 Modbus\uff0c1=on\uff1b0=off\n\n\u2003\u2003Addr\uff1a Modbus \u4ece\u7ad9\u5730\u5740\uff0c\u53d6\u503c 1-247\n\n\u2003\u2003Baud\uff1a\u6ce2\u7279\u7387,\u53ef\u9009 1200,2400,4800,9600,19200,38400,57600,115200\n\n\u2003\u2003Parity\uff1a\u5947\u5076\u6821\u9a8c\u4f4d\uff0c0=\u65e0\u6821\u9a8c\uff1b1=\u5947\u6821\u9a8c\uff1b2=\u5076\u6821\u9a8c\n\n\u2003\u2003Delay\uff1a \u5ef6\u65f6\uff0c\u9644\u52a0\u5b57\u7b26\u95f4\u5ef6\u65f6\uff0c\u7f3a\u7701\u503c\u4e3a 0\n\n\u2003\u2003MaxIQ\uff1a\u6700\u5927 IO \u70b9\u6570\uff0c\u4e00\u822c\u53ef\u8bbe\u7f6e\u4e3a 128.\n\n\u2003\u2003MaxAI\uff1a\u6700\u5927 AI \u901a\u9053\u6570\uff0c\u89c6 PLC \u7684\u5177\u4f53\u60c5\u51b5\u800c\u5b9a\uff0c\u4e00\u822c\u53ef\u8bbe\u7f6e\u4e3a 16 \u6216 32.\n\n\u2003\u2003Maxhold\uff1a\u6700\u5927\u4fdd\u6301\u5bc4\u5b58\u5668\u533a.\n\n\u2003\u2003Holdstart\uff1a\u4fdd\u6301\u5bc4\u5b58\u5668\u8d77\u59cb\u533a\uff0c\u4ee5&VBx \u6307\u5b9a.\n\n\u2003\u2003Done(\u7f51\u7edc 1 \u4e2d)\uff1a\u521d\u59cb\u5316\u5b8c\u6210\u6807\u5fd7\uff0c\u6210\u529f\u521d\u59cb\u5316\u540e\u7f6e 1.\n\n\u2003\u2003Error(\u7f51\u7edc 1 \u4e2d)\uff1a\u521d\u59cb\u5316\u9519\u8bef\u4ee3\u7801\uff0c0 \u4e3a\u65e0\u9519\u8bef.\n\n\u2003\u2003Done(\u7f51\u7edc 2 \u4e2d)\uff1a\u901a\u4fe1\u65f6\u7f6e 1\uff0c\u65e0 Modbus \u901a\u4fe1\u65f6\u4e3a 0.\n\n\u2003\u2003Error(\u7f51\u7edc 2 \u4e2d)\uff1a\u901a\u4fe1\u9519\u8bef\u4ee3\u7801\uff0c0 \u4e3a\u65e0\u9519\u8bef.\n\nHoldstart \u548c MaxHold \u89c4\u5b9a\u7684\u662f\u4fdd\u6301\u5bc4\u5b58\u5668\u7684\u533a\u57df\uff0c\u4fdd\u6301\u5bc4\u5b58\u5668\u533a\u57df\u7684\u8303\u56f4\u4e00\u5b9a\u4e0d\u80fd\u548c \u7a0b\u5e8f\u5b58\u50a8\u533a\u7684\u8303\u56f4\u51b2\u7a81\uff0c\u5426\u5219\u65e0\u6cd5\u901a\u4fe1\u3002\n\n\u4e0a\u56fe\u4e2d\u6307\u5b9a\u7684\u4fdd\u6301\u5bc4\u5b58\u5668\u8d77\u59cb\u533a\u7684\u503c\u4e3a 1000\uff0c\u4e5f \u53ef\u4ee5\u4e0d\u6307\u5b9a 1000.\u53ea\u8981\u8bbe\u7f6e\u597d\u7a0b\u5e8f\u5b58\u50a8\u7684\u533a\u57df\u5c31\u80fd\u6210\u529f\u901a\u4fe1\uff0c\u7a0b\u5e8f\u5b58\u50a8\u533a\u7684\u8bbe\u5b9a\u5982\u4e0b\u56fe\u6240\u793a:\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/02\/20231128215256864.png)\n\n\u2003\u5728\u7a0b\u5e8f\u5757\u4e2d\uff0c\u7a0b\u5e8f\u50a8\u5b58\u533a\u5206\u914d\u7684\u4e3a 1050 \u81f3 1829.\u56e0\u4e3a Holdstart \u548c Maxhold \u89c4\u5b9a\u7684\u533a\u57df \u662f 1000 \u81f3 1040\uff08Maxhold \u89c4\u5b9a\u7684\u662f VW \u7684\u4e2a\u6570\uff0c\u6240\u4ee5\u53d8\u6210 VB\u9700\u8981\u4e58\u4ee5 2\uff09\u6240\u4ee5\u7a0b\u5e8f\u50a8\u5b58 \u533a\u5206\u914d\u4e3a VB1050 \u81f3 VB1829.\n\n\u4e09\uff0e\u7f16\u5199\u63a7\u5236\u7a0b\u5e8f\n\n\u2003\u2003\u5199\u597d\u901a\u4fe1\u7a0b\u5e8f\uff0c\u5206\u914d\u597d\u5b58\u50a8\u533a\u4e4b\u540e\u4fbf\u53ef\u4ee5\u4f5c\u4e3a\u4ece\u7ad9\u548c\u4e3b\u7ad9\u8fdb\u884c\u901a\u4fe1\u4e86\u3002\u4e3a\u4e86\u66f4\u597d\u7684\u5c55\u793a \u6548\u679c\uff0c\u8fd9\u91cc\u7f16\u5199\u4e86\u4e00\u4e9b\u989d\u5916\u7684\u63a7\u5236\u7a0b\u5e8f\uff0c\u63a7\u5236\u7a0b\u5e8f\u5982\u4e0b\u56fe\u6240\u793a\uff1a\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/02\/20231128215256173.png)\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/02\/20231128215257284.png)\n\n### \u56db\uff1a\u914d\u7f6e\u4e32\u53e3\u670d\u52a1\u5668\n\n### ZLAN5143\u4e32\u53e3\u670d\u52a1\u5668\u7684\u914d\u7f6e\n\n\u6253\u5f00 \u5353\u5c9a \u865a\u62df\u4e32\u53e3&\u8bbe\u5907\u7ba1\u7406\u5668 \u914d\u7f6e\u8f6f\u4ef6\uff0c\u8fde\u4e0a\u7f51\u53e3\u6216\u4e32\u53e3\uff0c\u53ea\u9700\u8981\u586b\u5199\u4ee5\u4e0b\u51e0\u4e2a\u90e8\u5206\uff1a\n\n\u7b2c\u4e00\u6b65\uff1a\n\n- \u5de5\u4f5c\u6a21\u5f0f\uff1aTCP \u5ba2\u6237\u7aef\n\n- \u76ee\u7684IP\u6216\u57df\u540d\uff1acloud.modbus.cn\n\n- 47.104.68.157 (\u5907\u7528\uff09\n\n- www.wulianwang.net.cn (\u5907\u7528\uff09\n\n- \u76ee\u7684\u7aef\u53e3\uff1a50001\n\n- \u4fee\u6539\u914d\u7f6e\uff08\u4fdd\u5b58\uff09\n\u5982\u4e0b\u56fe\uff1a\n\n[![\u6700\u4f73\u5b9e\u8df5 \u00b7 \u5353\u5c9a\u4e32\u53e3\u670d\u52a1\u5668\u63a5\u5165 MODBUS \u7269\u8054\u7f51\u5e73\u53f0\u63d2\u56fe9](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/08\/1659319282-1659319251825.png)](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/08\/1659319282-1659319251825.png)\n\n\u7b2c\u4e8c\u6b65\uff1a\n\n\u70b9\u51fb\u201c\u56fa\u4ef6\u4e0e\u914d\u7f6e\u201d\n\n[![\u6700\u4f73\u5b9e\u8df5 \u00b7 \u5353\u5c9a\u4e32\u53e3\u670d\u52a1\u5668\u63a5\u5165 MODBUS \u7269\u8054\u7f51\u5e73\u53f0\u63d2\u56fe11](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/08\/1659319431-1659319389378.png)](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/08\/1659319431-1659319389378.png)\n\nC\u76d8\u65b0\u5efa\u4e00\u4e2a\"web\"\u7a7a\u6587\u4ef6\u5939\uff0c\u9009\u62e9\u8fd9\u4e2a\u6587\u4ef6\u5939\uff0c\u7136\u540e\u70b9\u51fb\u201c\u6ce8\u518c\u5305\u201d\n\n[![\u6700\u4f73\u5b9e\u8df5 \u00b7 \u5353\u5c9a\u4e32\u53e3\u670d\u52a1\u5668\u63a5\u5165 MODBUS \u7269\u8054\u7f51\u5e73\u53f0\u63d2\u56fe13](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/08\/1659319600-1659319572885.png)](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/08\/1659319600-1659319572885.png)\n\n\u6ce8\u518c\u5305\u548c\u5fc3\u8df3\u5305\"ASCII\"\u683c\u5f0f\u90fd\u5148\u6253\u94a9\uff0c\u7136\u540e\u586b\u5165\u4e91\u5e73\u53f0\u751f\u6210\u7684\u8bbe\u5907\u53f7\uff0c\u5fc3\u8df3\u5305\u95f4\u9694\u8f93\u5165\u201c60\u201d\u79d2\uff0c\u70b9\u51fb\u786e\u5b9a\u8fdb\u884c\u4fdd\u5b58\u3002\n\n[![\u6700\u4f73\u5b9e\u8df5 \u00b7 \u5353\u5c9a\u4e32\u53e3\u670d\u52a1\u5668\u63a5\u5165 MODBUS \u7269\u8054\u7f51\u5e73\u53f0\u63d2\u56fe15](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/08\/1659319776-1659319758325.png)](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/08\/1659319776-1659319758325.png)\n\n\u8df3\u8f6c\u9875\u9762\u540e\uff0c\u70b9\u51fb\u201c\u4e0b\u8f7d\u201d\u5373\u53ef\u3002\n\n[![\u6700\u4f73\u5b9e\u8df5 \u00b7 \u5353\u5c9a\u4e32\u53e3\u670d\u52a1\u5668\u63a5\u5165 MODBUS \u7269\u8054\u7f51\u5e73\u53f0\u63d2\u56fe17](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/08\/1659320008-1659319989384.png)](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/08\/1659320008-1659319989384.png)\n\n\u4e94.\u914d\u7f6e Modbus\u7269\u8054\u7f51\u5e73\u53f0\u8bfb\u5199\u547d\u4ee4\n\n### MODBUS \u7269\u8054\u7f51\u5e73\u53f0 \u4e0a\u7684\u51c6\u5907\u5de5\u4f5c\n\n\u5728\u5b9e\u8df5\u4e2d\uff0c\u6211\u4eec\u901a\u5e38\u5c06 \u4e32\u53e3\u670d\u52a1\u5668 \u4f5c\u4e3a\u900f\u4f20\u7f51\u5173\uff0c\u7528\u4e8e\u5728 Modbus \u5b50\u8bbe\u5907\u548c\u4e91\u5e73\u53f0\u4e4b\u95f4\u8d77\u5230\u6d88\u606f\u8f6c\u53d1\u4f5c\u7528\u3002\u8fd9\u91cc\u6211\u4eec\u4f7f\u7528 \u4e32\u53e3\u670d\u52a1\u5668 \u7684 TCP\u5ba2\u6237\u7aef \u6a21\u5f0f\uff0c\u51c6\u5907\u5de5\u4f5c\u53ea\u9700\u8981\u4ee5\u4e0b\u51e0\u6b65\uff1a\n\n- \u521b\u5efa\u9879\u76ee\uff08\u9879\u76ee\u7ba1\u7406\u2192\u65b0\u589e\u9879\u76ee\uff09\u3002\n\n- \u521b\u5efa\u8bbe\u5907\uff08\u8bbe\u5907\u7ba1\u7406\u2192\u8bbe\u5907\u4fe1\u606f\u2192\u65b0\u589e\u8bbe\u5907\uff09\n\n- \u586b\u5199\u8bbe\u5907\u540d\u79f0\uff0c\u968f\u673a\u751f\u6210\u6216\u8005\u624b\u52a8\u586b\u5199\u8bbe\u5907\u53f7\uff0c\u5728\u8bbe\u5907\u534f\u8bae\u4e2d\u9009\u62e9ModBus RTU\uff0c\u5b9a\u4f4d\u8bbe\u5907\u6240\u5728\u7ecf\u7eac\u5ea6\uff0c\u4fdd\u5b58\u5373\u53ef\u3002\uff08\u8bbe\u5907\u53f7\u590d\u5236\u4fdd\u5b58\u5907\u7528\uff09\n\n[![\u6700\u4f73\u5b9e\u8df5 \u00b7 \u5353\u5c9a\u4e32\u53e3\u670d\u52a1\u5668\u63a5\u5165 MODBUS \u7269\u8054\u7f51\u5e73\u53f0\u63d2\u56fe7](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/08\/1659320174-1659320154018.png)](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/08\/1659320174-1659320154018.png)\n\n\u5177\u4f53\u7684\u6b65\u9aa4\u8bf7\u6d4f\u89c8\uff1a[Modbus\u5165\u95e8](https:\/\/www.modbus.cn\/7856.html) \uff0c\u901a\u5e38\u51e0\u5206\u949f\u5c31\u53ef\u4ee5\u5b8c\u6210\u3002\n\n\u2003 \u5728Modbus\u7269\u8054\u7f51\u5e73\u53f0 \u70b9\u51fb\u8bbe\u5907\u7ba1\u7406\uff0c\u9009\u62e9\u4e00\u4e2a\u9879\u76ee\uff0c\u5728\u8bbe\u5907\u5217\u8868\u4e2d\u9009\u62e9\u201c\u6dfb\u52a0\u4ece\u673a\u201d\uff0c\u65b0\u589e\u4ece\u8bbe\u5907\u8282\u70b9\uff1a\n\n\u2003\u2003PLC \u5404\u4e2a\u533a\u57df\u5bf9\u5e94\u7684 Modbus \u5730\u5740\u5982\u4e0b\uff1a\n\n\u2003\u2003\u2003\u00b700001-09999\uff1a\u6570\u5b57\u91cf\u8f93\u51fa\uff08\u7ebf\u5708\uff0c\u53ef\u8bfb\u53ef\u5199\n\n\u2003\u2003\u2003\u00b710001-19999\uff1a\u6570\u5b57\u91cf\u8f93\u5165\uff08\u89e6\u70b9\uff0c\u53ea\u53ef\u8bfb\uff09\n\n\u2003\u2003\u2003\u00b730001-39999\uff1a\u8f93\u5165\u6570\u636e\u5bc4\u5b58\u5668\uff08\u901a\u5e38\u4e3a\u6a21\u62df\u91cf\u8f93\u5165\uff0c\u53ea\u53ef\u8bfb\uff09\n\n\u2003\u2003\u2003\u00b740001-49999\uff1a\u6570\u636e\u4fdd\u6301\u5bc4\u5b58\u5668\uff08\u53ef\u8bfb\u5199\uff09\n\n\u4e0a\u8ff0\u7a0b\u5e8f\u4e2d\u5199\u5165\u5bc4\u5b58\u5668\u7684\u503c\u5bf9\u5e94\u7684\u5730\u5740\u4e3a 40001 \u548c 40002\uff0c\u5bf9\u5e94\u5e73\u53f0\u4e2d\u7684 03 \u529f\u80fd\u7801\uff08\u53ef\u8bfb\u5199\uff09\u5bc4\u5b58\u5668\u5bf9\u5e94\u4e3a 1 \u548c 2 \n\n\u6570\u636e\u683c\u5f0f\u4f9d\u636e\u5b9e\u9645\u60c5\u51b5\u53ef\u586b\u5199\u4e3a 16 \u4f4d\u65e0\u7b26\u53f7\u6216\u6709\u7b26\u53f7\u6570\u3002\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/11\/20231128214627583.png)\n\n---\n*modbus.cn*\n"