"# PLC\u7f16\u7a0b\u6838\u5fc3\u6982\u5ff5\uff1a\u5f00\u5173\u91cf\u3001\u6a21\u62df\u91cf\u548c\u8109\u51b2\u91cf\u6df1\u5ea6\u89e3\u6790\n\n> 2023-10-11 | 2023-10-13\n> https:\/\/www.modbus.cn\/en\/25275.html\n\n**\u5de5\u4e1a\u7269\u8054\u7f51**\n\n---\n\n## **PLC\u7f16\u7a0b\u6838\u5fc3\u91cf\uff1a\u5f00\u5173\u91cf\u3001\u6a21\u62df\u91cf\u4e0e\u8109\u51b2\u91cf\u89e3\u6790**\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/10\/20231013161959806.jpg?x-oss-process=image\/resize,m_lfit,w_950,h_634)\n\n\u5728PLC\u7f16\u7a0b\u4e2d\uff0c\u5f00\u5173\u91cf\u3001\u6a21\u62df\u91cf\u548c\u8109\u51b2\u91cf\u662f\u4e09\u4e2a\u57fa\u7840\u91cf\u3002\u5bf9\u8fd9\u4e09\u8005\u7684\u6df1\u5165\u7406\u89e3\uff0c\u662fPLC\u6280\u80fd\u7cbe\u901a\u7684\u5173\u952e\u3002\n\n- **\u5f00\u5173\u91cf\uff08\u6216\u903b\u8f91\u91cf\uff09**\uff1a\n\n- \u5f00\u5173\u91cf\u662f\u4e8c\u8fdb\u5236\u7684\uff0c\u5373\u53ea\u6709\u4e24\u4e2a\u72b6\u6001\uff1a0\uff08OFF\uff09\u548c1\uff08ON\uff09\u3002\n\n- \u987a\u5e8f\u63a7\u5236\u662f\u5f00\u5173\u91cf\u7684\u57fa\u672c\u5e94\u7528\uff0c\u5373\u57fa\u4e8e\u8f93\u5165\u7684\u5386\u53f2\u548c\u5f53\u524d\u72b6\u6001\u4ea7\u751f\u7279\u5b9a\u7684\u8f93\u51fa\u3002\n\n- \u63a7\u5236\u6a21\u5f0f\u53ef\u4ee5\u662f\u624b\u52a8\u3001\u534a\u81ea\u52a8\u6216\u5168\u81ea\u52a8\uff0c\u800c\u63a7\u5236\u539f\u7406\u53ef\u4ee5\u662f\u5206\u6563\u7684\u3001\u96c6\u4e2d\u7684\u6216\u6df7\u5408\u7684\u3002\n\n2.**\u6a21\u62df\u91cf**\uff1a\n\n- \u6a21\u62df\u91cf\u4ee3\u8868\u8fde\u7eed\u53d8\u5316\u7684\u7269\u7406\u91cf\uff0c\u5982\u7535\u538b\u3001\u7535\u6d41\u548c\u6e29\u5ea6\u3002\n\n- \u6a21\u62df\u91cf\u53ef\u4ee5\u8f6c\u6362\u4e3a\u6570\u5b57\u91cf\uff0c\u800c\u6570\u5b57\u91cf\u5b9e\u8d28\u4e0a\u662f\u591a\u72b6\u6001\u7684\u5f00\u5173\u91cf\u3002\u56e0\u6b64\uff0cPLC\u53ef\u4ee5\u53ef\u9760\u5730\u5904\u7406\u8f6c\u6362\u540e\u7684\u6a21\u62df\u91cf\u3002\n\n- \u5728\u8fde\u7eed\u751f\u4ea7\u4e2d\uff0c\u6a21\u62df\u91cf\u662f\u5e38\u89c1\u7684\uff0c\u6545\u79f0\u4e3a\u8fc7\u7a0b\u63a7\u5236\u3002\n\n- \u975e\u6807\u51c6\u7684\u6a21\u62df\u91cf\u9700\u8f6c\u6362\u4e3a\u6807\u51c6\u7535\u4fe1\u53f7\uff0c\u59824-20mA\u62160-10V\u7b49\u3002\n\n- PLC\u5185\u90e8\u6d89\u53ca\u6a21\u62df\u91cf\u4e0e\u6570\u5b57\u91cf\u95f4\u7684\u8f6c\u6362\u548c\u8ba1\u7b97\u3002\u4f8b\u5982\uff0c1\/32767\u5206\u8fa8\u7387\u7684PLC\u6a21\u62df\u5355\u5143\u4e0e0\u201410V\u7535\u91cf\u5bf9\u5e940\u2014100\u2103\u6e29\u5ea6\u3002\u56e0\u6b64\uff0c0\u201432767\u5bf9\u5e940\u2014100\u2103\uff0c\u5f97\u51fa1\u2103\u5bf9\u5e94\u7ea6327.67\u5355\u4f4d\u3002\u4e3a\u4e86\u8fbe\u52300.1\u2103\u7684\u7cbe\u5ea6\uff0c\u9700\u8981\u8fdb\u4e00\u6b65\u7ec6\u5206\u8be5\u503c\u3002\n\n- \u6a21\u62df\u91cf\u63a7\u5236\u65b9\u6cd5\u5305\u62ec\u53cd\u9988\u3001\u524d\u9988\u3001\u6bd4\u4f8b\u548c\u6a21\u7cca\u63a7\u5236\u7b49\u3002\n\n3.**\u8109\u51b2\u91cf**\uff1a\n\n- \u8109\u51b2\u91cf\u662f\u6570\u5b57\u91cf\uff0c\u5176\u503c\u57280\u548c1\u4e4b\u95f4\u4e0d\u65ad\u4ea4\u66ff\u53d8\u5316\u3002\n\n- PLC\u4e2d\u7684\u8109\u51b2\u91cf\u4e3b\u8981\u7528\u4e8e\u4f4d\u7f6e\u3001\u8fd0\u52a8\u548c\u8f68\u8ff9\u63a7\u5236\u3002\u4f8b\u5982\uff0c\u6b65\u8fdb\u7535\u673a\u9a71\u52a8\u5668\u5206\u8fa8\u7387\u4e3a\u6bcf\u570810000\u8109\u51b2\uff0c\u82e5\u9700\u6b65\u8fdb\u7535\u673a\u65cb\u8f6c90\u5ea6\uff0c\u5219\u8109\u51b2\u6570\u4e3a(10000 \\times \\frac{90}{360} = 2500)\u3002\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/10\/20231013162008537.png?x-oss-process=image\/resize,m_lfit,w_950,h_534)\n\n## **\u6a21\u62df\u91cf\u7684\u8f6c\u6362\u4e0e\u5904\u7406**:\n\n- **\u6982\u8ff0**: \u6a21\u62df\u91cf\u4ee3\u8868\u7269\u7406\u4e16\u754c\u4e2d\u8fde\u7eed\u7684\u53d8\u91cf\uff0c\u4f8b\u5982\u7535\u538b\u3001\u7535\u6d41\u3001\u538b\u529b\u548c\u6e29\u5ea6\u3002\u5bf9\u4e8ePLC\u800c\u8a00\uff0c\u6b63\u786e\u5730\u8f6c\u6362\u548c\u5904\u7406\u8fd9\u4e9b\u91cf\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\n\n- **\u8f6c\u6362\u5b9e\u4f8b**: \u5047\u8bbe\u4e00\u4e2aPLC\u6a21\u62df\u8f93\u5165\u5355\u5143\u7684\u5206\u8fa8\u7387\u4e3a1\/32767\uff0c\u5e76\u4e14\u5bf9\u5e940\u201410V\u7684\u7535\u538b\u3002\u8fd9\u610f\u5473\u7740\u5b83\u53ef\u4ee5\u8bfb\u53d6\u7684\u6e29\u5ea6\u8303\u56f4\u662f0\u2014100\u2103\u3002\u56e0\u6b64\uff0c0-32767\u7684\u6570\u503c\u8303\u56f4\u5bf9\u5e940\u2014100\u2103\u7684\u6e29\u5ea6\u8303\u56f4\u3002\u8fdb\u4e00\u6b65\uff0c1\u2103\u5bf9\u5e94\u7684\u6570\u503c\u5927\u7ea6\u662f327.67\u3002\u8981\u63d0\u9ad8\u7cbe\u5ea6\u52300.1\u2103\uff0c\u53ea\u9700\u5c06327.67\u9664\u4ee510\u3002\n\n- **\u63a7\u5236\u7b56\u7565**: \u6a21\u62df\u91cf\u63a7\u5236\u7684\u7b56\u7565\u5305\u62ec\u53cd\u9988\u63a7\u5236\u3001\u524d\u9988\u63a7\u5236\u3001\u6bd4\u4f8b\u63a7\u5236\u53ca\u6a21\u7cca\u63a7\u5236\u3002\n\n**2. \u8109\u51b2\u91cf**:\n\n- **\u6982\u8ff0**: \u8109\u51b2\u91cf\u662f\u6570\u5b57\u4fe1\u53f7\uff0c\u5176\u503c\u57280\uff08\u4f4e\u72b6\u6001\uff09\u548c1\uff08\u9ad8\u72b6\u6001\uff09\u4e4b\u95f4\u4ea4\u66ff\u53d8\u5316\u3002\u5176\u53d8\u5316\u901f\u5ea6\uff08\u5373\u6bcf\u79d2\u8109\u51b2\u53d8\u5316\u7684\u6b21\u6570\uff09\u79f0\u4e3a\u9891\u7387\u3002\n\n- **\u5e94\u7528**: PLC\u5904\u7406\u7684\u8109\u51b2\u91cf\u4e3b\u8981\u7528\u4e8e\u4f4d\u7f6e\u63a7\u5236\u3001\u901f\u5ea6\u63a7\u5236\u548c\u8f68\u8ff9\u63a7\u5236\u3002\u4f8b\u5982\uff0c\u6b65\u8fdb\u7535\u673a\u5728\u89d2\u5ea6\u63a7\u5236\u4e2d\u9700\u8981\u77e5\u9053\u8109\u51b2\u6570\u3002\u5982\u679c\u6b65\u8fdb\u7535\u673a\u9a71\u52a8\u5668\u89c4\u5b9a\u6bcf\u5708\u662f10000\u8109\u51b2\uff0c\u90a3\u4e48\u8981\u4f7f\u6b65\u8fdb\u7535\u673a\u65cb\u8f6c90\u5ea6\uff0c\u6240\u9700\u7684\u8109\u51b2\u6570\u4e3a2500\u3002\n\n**3. \u6a21\u62df\u91cf\u7684\u8be6\u7ec6\u8ba1\u7b97**:\n\n\u57fa\u4e8e\u4e0d\u540c\u7684\u7535\u538b\u548c\u7535\u6d41\u8303\u56f4\uff0c\u4ee5\u53ca\u4e0d\u540c\u7684\u5206\u8fa8\u7387\uff0c\u6a21\u62df\u91cf\u53ef\u4ee5\u88ab\u8f6c\u6362\u4e3a\u7279\u5b9a\u7684\u5341\u516d\u8fdb\u5236\u503c\u3002\u4f8b\u5982\uff1a\n\n- \u5bf9\u4e8e-10V\u81f310V\u7684\u7535\u538b\u8303\u56f4\uff0c\u57286000\u5206\u8fa8\u7387\u4e0b\uff0c\u8f6c\u6362\u7ed3\u679c\u4e3aF448\u20140BB8Hex\uff1b\u800c\u572812000\u5206\u8fa8\u7387\u4e0b\uff0c\u7ed3\u679c\u4e3aE890\u20141770Hex\u3002\n\n\u4ee5\u4e0a\u4ec5\u4e3a\u7b80\u8981\u6982\u8ff0\u3002\u5177\u4f53\u7684\u8f6c\u6362\u548c\u5904\u7406\u65b9\u5f0f\u4f1a\u6839\u636ePLC\u7684\u578b\u53f7\u548c\u89c4\u683c\u3001\u4ee5\u53ca\u6d4b\u91cf\u7269\u7406\u91cf\u7684\u7279\u6027\u800c\u5f02\u3002\n\n**\u6ce8\u610f**\uff1a\u6a21\u62df\u8f93\u5165\u65f6\u9700\u8981\u6ce8\u610f\u7ebf\u8def\u914d\u7ebf\u8981\u6c42\uff0c\u786e\u4fdd\u4fe1\u53f7\u7684\u51c6\u786e\u6027\u548c\u7a33\u5b9a\u6027\u3002\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/10\/20231013162027961.jpg)\n\n**\u6a21\u62df\u91cf\u4e0e\u5341\u516d\u8fdb\u5236\u6570\u503c\u7684\u8f6c\u6362**:\n\n**-10V\u81f310V\u7535\u538b\u8303\u56f4**:\n\n- \u57286000\u5206\u8fa8\u7387\u4e0b\uff0c\u8f6c\u6362\u8303\u56f4\u4e3a F448\u20140BB8Hex\uff0c\u5bf9\u5e94\u7684\u6570\u503c\u8303\u56f4\u4e3a-3000\u20143000\u3002\n\n- \u572812000\u5206\u8fa8\u7387\u4e0b\uff0c\u8f6c\u6362\u8303\u56f4\u4e3a E890\u20141770Hex\uff0c\u5bf9\u5e94\u7684\u6570\u503c\u8303\u56f4\u4e3a-6000\u20146000\u3002\n\n**0V\u81f310V\u7535\u538b\u8303\u56f4**:\n\n- \u572812000\u5206\u8fa8\u7387\u4e0b\uff0c\u8f6c\u6362\u8303\u56f4\u4e3a 0\u20141770Hex\uff0c\u5bf9\u5e94\u7684\u6570\u503c\u8303\u56f4\u4e3a0\u20146000\u3002\n\n- \u5728\u540c\u6837\u768412000\u5206\u8fa8\u7387\u4e0b\uff0c\u8f6c\u6362\u8303\u56f4\u4e3a 0\u20142EE0Hex\uff0c\u5bf9\u5e94\u7684\u6570\u503c\u8303\u56f4\u4e3a0\u201412000\u3002\n\n**0mA\u81f320mA\u7535\u6d41\u8303\u56f4**:\n\n- \u57286000\u5206\u8fa8\u7387\u4e0b\uff0c\u8f6c\u6362\u8303\u56f4\u4e3a 0\u20141770Hex\uff0c\u5bf9\u5e94\u7684\u6570\u503c\u8303\u56f4\u4e3a0\u20146000\u3002\n\n- \u572812000\u5206\u8fa8\u7387\u4e0b\uff0c\u8f6c\u6362\u8303\u56f4\u4e3a 0\u20142EE0Hex\uff0c\u5bf9\u5e94\u7684\u6570\u503c\u8303\u56f4\u4e3a0\u201412000\u3002\n\n**4mA\u81f320mA\u7535\u6d41\u8303\u56f4**:\n\n- \u57286000\u5206\u8fa8\u7387\u4e0b\uff0c\u8f6c\u6362\u8303\u56f4\u4e3a 0\u20141770Hex\uff0c\u5bf9\u5e94\u7684\u6570\u503c\u8303\u56f4\u4e3a0\u20146000\u3002\n\n- \u572812000\u5206\u8fa8\u7387\u4e0b\uff0c\u8f6c\u6362\u8303\u56f4\u4e3a 0\u20142EE0Hex\uff0c\u5bf9\u5e94\u7684\u6570\u503c\u8303\u56f4\u4e3a0\u201412000\u3002\n\n\u8bf7\u6ce8\u610f\uff0c\u4e0a\u8ff0\u8f6c\u6362\u53ef\u80fd\u56e0PLC\u578b\u53f7\u548c\u914d\u7f6e\u800c\u5f02\u3002\u786e\u4fdd\u6839\u636e\u5177\u4f53\u89c4\u683c\u8fdb\u884c\u8c03\u6574\u3002\n\n**\u6a21\u62df\u8f93\u5165\u914d\u7ebf\u8981\u6c42**:\n\n- \u91c7\u7528\u5c4f\u853d\u53cc\u7ede\u7ebf\uff0c\u4f46\u5c4f\u853d\u5c42\u4e0d\u5e94\u8fde\u63a5\u3002\n\n- \u82e5\u8f93\u5165\u672a\u4f7f\u7528\uff0c\u8bf7\u5c06V IN\u548cCOM\u7aef\u5b50\u77ed\u63a5\u3002\n\n- \u786e\u4fdd\u6a21\u62df\u4fe1\u53f7\u7ebf\u4e0e\u4e3b\u8981\u7535\u6e90\u7ebf\uff08\u5982AC\u7535\u6e90\u7ebf\u3001\u9ad8\u538b\u7ebf\uff09\u9694\u79bb\u3002\n\n- \u5982\u7535\u6e90\u7ebf\u5b58\u5728\u5e72\u6270\uff0c\u8bf7\u5728\u8f93\u5165\u6a21\u5757\u4e0e\u7535\u6e90\u6a21\u5757\u95f4\u6dfb\u52a0\u6ee4\u6ce2\u5668\u3002\n\n- \u5728\u63a5\u901a\u8d1f\u8f7d\u7535\u6e90\u524d\uff0c\u9996\u5148\u786e\u4fddCPU\u6a21\u5757\u5df2\u901a\u7535\u3002\n\n- \u65ad\u7535\u65f6\uff0c\u5148\u5207\u65ad\u8d1f\u8f7d\u7535\u6e90\uff0c\u968f\u540e\u5207\u65adCPU\u6a21\u5757\u7535\u6e90\u3002\n\n**PLC\u7f16\u7a0b\u7b97\u6cd5\uff083\uff09- \u8109\u51b2\u63a7\u5236\u8ba1\u7b97**\n\n\u8109\u51b2\u63a7\u5236\u5728PLC\u7f16\u7a0b\u4e2d\u4e3b\u8981\u5e94\u7528\u4e8e\u9a71\u52a8\u8bbe\u5907\u5982\u6b65\u8fdb\u7535\u673a\u548c\u4f3a\u670d\u7535\u673a\u7684\u89d2\u5ea6\u3001\u8ddd\u79bb\u548c\u4f4d\u7f6e\u63a7\u5236\u3002\u4ee5\u4e0b\uff0c\u6211\u4eec\u5c06\u901a\u8fc7\u6b65\u8fdb\u7535\u673a\u4e3a\u4f8b\uff0c\u6df1\u5165\u63a2\u8ba8\u5176\u63a7\u5236\u7b56\u7565\u3002\n\n**\u89d2\u5ea6\u63a7\u5236**:\n\n- \u4e3a\u5b9e\u73b0\u7cbe\u786e\u63a7\u5236\uff0c\u9996\u5148\u9700\u786e\u5b9a\u6b65\u8fdb\u7535\u673a\u7684\u7ec6\u5206\u6570\u53ca\u5176\u6bcf\u5708\u6240\u9700\u7684\u8109\u51b2\u603b\u6570\u3002\n\n- \u89d2\u5ea6\u63a7\u5236\u7684\u6838\u5fc3\u662f\u8f6c\u6362\u6240\u9700\u89d2\u5ea6\u5230\u76f8\u5e94\u7684\u8109\u51b2\u6570\u3002\n\n- \u516c\u5f0f\u8868\u793a\u4e3a\uff1a\n[ \\text{\u8109\u51b2\u6570}{\\text{\u89d2\u5ea6}} = \\text{\u8109\u51b2\u6570}{\\text{\u603b}} \\times \\left(\\frac{\\text{\u8bbe\u5b9a\u89d2\u5ea6}}{360\u00b0}\\right) ]\n\n**\u8ddd\u79bb\u63a7\u5236**:\n\n- \u786e\u5b9a\u6b65\u8fdb\u7535\u673a\u6bcf\u5708\u6240\u9700\u7684\u8109\u51b2\u603b\u6570\u3002\n\n- \u8fdb\u4e00\u6b65\uff0c\u8003\u8651\u6b65\u8fdb\u7535\u673a\u6eda\u8f6e\u7684\u76f4\u5f84\u4ee5\u8ba1\u7b97\u6eda\u8f6e\u7684\u5468\u957f\u3002\n\n- \u6839\u636e\u5468\u957f\u548c\u8109\u51b2\u603b\u6570\uff0c\u53ef\u4ee5\u786e\u5b9a\u6bcf\u4e2a\u8109\u51b2\u4ee3\u8868\u7684\u79fb\u52a8\u8ddd\u79bb\u3002\n\n- \u516c\u5f0f\u8868\u793a\u4e3a\uff1a\n[ \\text{\u8109\u51b2\u6570}{\\text{\u8ddd\u79bb}} = \\frac{\\text{\u8bbe\u5b9a\u8ddd\u79bb}}{\\left(\\frac{\\text{\u6eda\u8f6e\u76f4\u5f84} \\times \\pi}{\\text{\u8109\u51b2\u6570}{\\text{\u603b}}}\\right)} ]\n\n**\u4f4d\u7f6e\u63a7\u5236**:\n\n- \u4f4d\u7f6e\u63a7\u5236\u5b9e\u8d28\u4e0a\u662f\u89d2\u5ea6\u548c\u8ddd\u79bb\u63a7\u5236\u7684\u7ed3\u5408\uff0c\u786e\u4fdd\u6b65\u8fdb\u7535\u673a\u8fbe\u5230\u9884\u5b9a\u7684\u4f4d\u7f6e\u3002\n\n\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u867d\u7136\u4f3a\u670d\u7535\u673a\u7684\u63a7\u5236\u903b\u8f91\u4e0e\u6b65\u8fdb\u7535\u673a\u76f8\u4f3c\uff0c\u4f46\u6211\u4eec\u8fd8\u9700\u8003\u8651\u4f3a\u670d\u7535\u673a\u5185\u90e8\u7684\u7535\u5b50\u9f7f\u8f6e\u6bd4\u53ca\u5176\u4e0e\u5916\u90e8\u673a\u68b0\u7cfb\u7edf\u7684\u51cf\u901f\u6bd4\u3002\n\n---\n*modbus.cn*\n"