{"id":31302,"date":"2025-06-02T11:53:34","date_gmt":"2025-06-02T03:53:34","guid":{"rendered":"https:\/\/www.modbus.cn\/product\/31302.html"},"modified":"2026-06-26T00:34:32","modified_gmt":"2026-06-25T16:34:32","slug":"31302","status":"publish","type":"product","link":"https:\/\/www.modbus.cn\/en\/product\/31302.html","title":{"rendered":"MT3A \u7cfb\u5217\u5de5\u4e1a\u6a21\u5757\uff1a\u9ad8\u6548\u3001\u667a\u80fd\u3001\u53ef\u9760\u7684\u5de5\u4e1a\u81ea\u52a8\u5316\u89e3\u51b3\u65b9\u6848"},"content":{"rendered":"<p>MT3A 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16bit\uff0c\u80fd\u591f\u7cbe\u786e\u91c7\u96c6\u548c\u63a7\u5236\u6a21\u62df\u91cf\u4fe1\u53f7\uff0c\u5e38\u7528\u4e8e\u8fc7\u7a0b\u63a7\u5236\u4e2d\u7684\u6e29\u5ea6\u3001\u538b\u529b\u3001\u6d41\u91cf\u7b49\u53c2\u6570\u76d1\u6d4b\u4e0e\u8c03\u8282\u3002<br \/>\n* **\u6e29\u5ea6\u6a21\u5757** \uff1a\u652f\u6301\u591a\u79cd\u70ed\u7535\u5076\uff08\u5982 PT50\u3001PT100\u3001PT200\u3001PT500\u3001PT1000\uff09\u548c\u70ed\u7535\u963b\u4f20\u611f\u5668\uff08\u5982 CU50\u3001CU100\uff09\uff0c\u6d4b\u91cf\u8303\u56f4\u5e7f\u6cdb\uff0c\u4ece &#8211; 50\u2103\u5230 300\u2103\u4e0d\u7b49\uff0c\u7cbe\u5ea6\u9ad8\uff0c\u53ef\u6ee1\u8db3\u4e0d\u540c\u5de5\u4e1a\u73af\u5883\u4e0b\u7684\u6e29\u5ea6\u6d4b\u91cf\u9700\u6c42\uff0c\u4e3a\u8d28\u91cf\u63a7\u5236\u3001\u5de5\u827a\u4f18\u5316\u63d0\u4f9b\u5173\u952e\u6570\u636e\u652f\u6301\u3002<br \/>\n* **\u79f0\u91cd\u6a21\u5757** \uff1a4 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\u6a21\u5757\u652f\u6301\u591a\u79cd\u4e3b\u6d41\u901a\u4fe1\u534f\u8bae\uff0c\u5982 THS420 \u7cfb\u5217\u7684 RS485\u3001RS232 \u4e32\u53e3\u534f\u8bae\u4ee5\u53ca RJ45 TCP\/IP \u534f\u8bae\uff0c\u8fd8\u6709 THS520 \u7cfb\u5217\u7684 Modbus RTU\uff08\u9002\u7528\u4e8e RS485 \u548c RS232 \u63a5\u53e3\uff09\u548c Modbus TCP\uff08\u9002\u7528\u4e8e RJ45 \u63a5\u53e3\uff09\u534f\u8bae\u3002\u65e0\u8bba\u662f\u4f20\u7edf\u7684\u4e32\u53e3\u901a\u4fe1\u8fd8\u662f\u73b0\u4ee3\u5316\u7684\u7f51\u7edc\u901a\u4fe1\uff0cMT3A \u7cfb\u5217\u6a21\u5757\u90fd\u80fd\u8f7b\u677e\u9002\u914d\uff0c\u786e\u4fdd\u4e0e PLC\u3001\u5de5\u63a7\u673a\u3001\u89e6\u6478\u5c4f\u7b49\u4e0a\u4f4d\u673a\u8bbe\u5907\u4ee5\u53ca\u5404\u7c7b\u5de5\u4e1a\u7cfb\u7edf\u7684\u7a33\u5b9a\u8fde\u63a5\u548c\u9ad8\u6548\u6570\u636e\u4f20\u8f93\u3002<\/p>\n<p>3. **\u5f3a\u5927\u7684\u7f51\u7edc\u529f\u80fd\u4e0e\u6269\u5c55\u6027** \uff1a<br \/>\n* 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\uff1a\u5728\u6c7d\u8f66\u5236\u9020\u3001\u673a\u68b0\u52a0\u5de5\u3001\u7535\u5b50\u751f\u4ea7\u7b49\u81ea\u52a8\u5316\u751f\u4ea7\u7ebf\u4e0a\uff0cMT3A \u7cfb\u5217\u6a21\u5757\u53ef\u4e0e PLC\u3001\u673a\u5668\u4eba\u3001\u4f20\u611f\u5668\u7b49\u8bbe\u5907\u7d27\u5bc6\u914d\u5408\uff0c\u5b9e\u73b0\u5bf9\u751f\u4ea7\u8bbe\u5907\u7684\u96c6\u4e2d\u63a7\u5236\u3001\u751f\u4ea7\u6d41\u7a0b\u7684\u81ea\u52a8\u5316\u6267\u884c\u4ee5\u53ca\u751f\u4ea7\u6570\u636e\u7684\u5b9e\u65f6\u91c7\u96c6\u4e0e\u76d1\u63a7\uff0c\u63d0\u9ad8\u751f\u4ea7\u6548\u7387\u3001\u4ea7\u54c1\u8d28\u91cf\u548c\u751f\u4ea7\u7075\u6d3b\u6027\uff0c\u964d\u4f4e\u4eba\u5de5\u6210\u672c\u548c\u751f\u4ea7\u6545\u969c\u7387\u3002<br \/>\n2. **\u667a\u80fd\u4ed3\u50a8\u4e0e\u7269\u6d41** \uff1a\u7528\u4e8e\u4ed3\u5e93\u7ba1\u7406\u7cfb\u7edf\u7684\u81ea\u52a8\u5316\u6539\u9020\uff0c\u5982\u8d27\u7269\u7684\u81ea\u52a8\u5165\u5e93\u3001\u51fa\u5e93\u3001\u76d8\u70b9\u3001\u5b9a\u4f4d\u7b49\u64cd\u4f5c\u3002\u901a\u8fc7\u4e0e PLC\u3001\u6761\u5f62\u7801\u626b\u63cf\u5668\u3001RFID \u8bfb\u5199\u5668\u7b49\u8bbe\u5907\u4e92\u8054\uff0cMT3A \u7cfb\u5217\u6a21\u5757\u80fd\u591f\u5b9e\u65f6\u8ddf\u8e2a\u8d27\u7269\u4fe1\u606f\uff0c\u4f18\u5316\u4ed3\u50a8\u7a7a\u95f4\u5229\u7528\uff0c\u63d0\u9ad8\u7269\u6d41\u914d\u9001\u6548\u7387\u548c\u51c6\u786e\u6027\uff0c\u5b9e\u73b0\u4ed3\u50a8\u7269\u6d41\u7684\u667a\u80fd\u5316\u7ba1\u7406\u3002<br \/>\n3. **\u80fd\u6e90\u76d1\u63a7\u4e0e\u7ba1\u7406** \uff1a\u5728\u7535\u529b\u3001\u77f3\u5316\u3001\u51b6\u91d1\u7b49\u80fd\u6e90\u5bc6\u96c6\u578b\u884c\u4e1a\uff0c\u53ef\u7528\u4e8e\u80fd\u6e90\u6d88\u8017\u6570\u636e\u7684\u7cbe\u786e\u91c7\u96c6\u4e0e\u76d1\u6d4b\uff0c\u5982\u5bf9\u7535\u91cf\u3001\u6c14\u91cf\u3001\u6c34\u91cf\u7b49\u53c2\u6570\u7684\u5b9e\u65f6\u6d4b\u91cf\u4e0e\u5206\u6790\u3002\u901a\u8fc7\u5c06 MT3A \u7cfb\u5217\u6a21\u5757\u96c6\u6210\u5230\u80fd\u6e90\u7ba1\u7406\u7cfb\u7edf\u4e2d\uff0c\u5e2e\u52a9\u4f01\u4e1a\u5408\u7406\u89c4\u5212\u80fd\u6e90\u4f7f\u7528\u3001\u964d\u4f4e\u80fd\u6e90\u6d6a\u8d39\u3001\u63d0\u9ad8\u80fd\u6e90\u5229\u7528\u6548\u7387\uff0c\u5b9e\u73b0\u8282\u80fd\u51cf\u6392\u76ee\u6807\u5e76\u4f18\u5316\u751f\u4ea7\u6210\u672c\u63a7\u5236\u3002<br \/>\n4. **\u73af\u5883\u76d1\u6d4b\u4e0e\u63a7\u5236** \uff1a\u9002\u7528\u4e8e\u5404\u7c7b\u73af\u5883\u76d1\u6d4b\u7cfb\u7edf\uff0c\u5982\u7a7a\u6c14\u8d28\u91cf\u76d1\u6d4b\u3001\u6c34\u8d28\u76d1\u6d4b\u3001\u566a\u58f0\u76d1\u6d4b\u7b49\u3002\u6e29\u5ea6\u6a21\u5757\u548c\u5176\u4ed6\u76f8\u5173\u6a21\u5757\u53ef\u91c7\u96c6\u73af\u5883\u53c2\u6570\u6570\u636e\uff0c\u5e76\u5c06\u5176\u4f20\u8f93\u81f3\u4e0a\u4f4d\u673a\u8fdb\u884c\u5206\u6790\u5904\u7406\uff0c\u4e3a\u73af\u5883\u8bc4\u4f30\u3001\u6c61\u67d3\u6cbb\u7406\u3001\u751f\u6001\u4fdd\u62a4\u7b49\u63d0\u4f9b\u79d1\u5b66\u4f9d\u636e\uff0c\u540c\u65f6\u53ef\u6839\u636e\u76d1\u6d4b\u7ed3\u679c\u81ea\u52a8\u8c03\u63a7\u76f8\u5173\u8bbe\u5907\uff0c\u5b9e\u73b0\u5bf9\u73af\u5883\u8d28\u91cf\u7684\u6709\u6548\u63a7\u5236\u548c\u6539\u5584\u3002<\/p>\n<p>## \u56db\u3001\u4ea7\u54c1\u53c2\u6570<\/p>\n<p>1. **\u6570\u5b57\u91cf\u6a21\u5757\u53c2\u6570** \uff1a<br \/>\n* **\u4fe1\u53f7\u7c7b\u578b** \uff1aNPN\/PNP<br \/>\n* **\u201c0\u201d \u4fe1\u53f7\u7535\u538b\uff08PNP\uff09** \uff1a- 3V &#8211; +3V<br \/>\n* **\u201c1\u201d \u4fe1\u53f7\u7535\u538b\uff08PNP\uff09** \uff1a15 &#8211; 30V<br \/>\n* **\u201c0\u201d \u4fe1\u53f7\u7535\u538b\uff08NPN\uff09** \uff1a15 &#8211; 30V<br \/>\n* **\u201c1\u201d \u4fe1\u53f7\u7535\u538b\uff08NPN\uff09** \uff1a- 3V &#8211; +3V<br \/>\n* **\u8f93\u5165\u6ee4\u6ce2\u65f6\u95f4** \uff1a0ms\uff080 &#8211; 255ms \u53ef\u8c03\uff09<br \/>\n* **\u8f93\u5165\u7535\u6d41** \uff1a4mA<br \/>\n* **\u989d\u5b9a\u7535\u538b** \uff1a24VDC\uff0818V &#8211; 30V \u5bbd\u7535\u538b\u8f93\u5165\uff09<br \/>\n* **\u9694\u79bb\u65b9\u5f0f** \uff1a\u5149\u8026\u9694\u79bb<\/p>\n<p>2. **\u6a21\u62df\u91cf\u6a21\u5757\u53c2\u6570** \uff1a<br \/>\n* **\u6a21\u62df\u91cf\u8f93\u5165** \uff1a<br \/>\n* **\u4fe1\u53f7\u7c7b\u578b** \uff1a\u7535\u538b\uff080 &#8211; 10V\uff09\u6216\u7535\u6d41\uff080 &#8211; 20mA\uff09<br \/>\n* **\u5206\u8fa8\u7387** \uff1a16bit\uff08\u8f93\u5165\uff09 \/ 12bit\uff08\u8f93\u51fa\uff09<br \/>\n* **\u7cbe\u5ea6** \uff1a\u7535\u538b\u8f93\u5165 0.2%FS\uff0c\u7535\u6d41\u8f93\u5165 0.5%FS\uff1b\u7535\u538b\u8f93\u51fa 0.3%FS\uff0c\u7535\u6d41\u8f93\u51fa 0.5%FS<br \/>\n* **\u91c7\u6837\u901f\u7387** \uff1a0.1S\uff08\u8f93\u5165\uff09<br \/>\n* **\u8f93\u5165\u963b\u6297\uff08\u7535\u538b\uff09** \uff1a100K\u03a9<br \/>\n* **\u8f93\u5165\u963b\u6297\uff08\u7535\u6d41\uff09** \uff1a100\u03a9<br \/>\n* **\u989d\u5b9a\u7535\u538b** \uff1a24VDC\uff08\u8f93\u5165\uff09\uff0c24VDC\uff0818V &#8211; 30V\uff09\uff08\u8f93\u51fa\uff09<\/p>\n<p>* **\u6a21\u62df\u91cf\u8f93\u51fa** \uff1a\u4fe1\u53f7\u7c7b\u578b\u540c\u8f93\u5165\uff0c\u989d\u5b9a\u7535\u538b 24VDC\uff0818V &#8211; 30V\uff09<\/p>\n<p>3. **\u6e29\u5ea6\u6a21\u5757\uff08\u4ee5 MT3A &#8211; AN0892 \u4e3a\u4f8b\uff09\u53c2\u6570** \uff1a<br \/>\n* **\u8f93\u5165\u4fe1\u53f7\u7c7b\u578b** \uff1aPT50\u3001PT100\u3001PT200\u3001PT500\u3001PT1000\u3001CU50\u3001CU100<br \/>\n* **\u5206\u8fa8\u7387** \uff1a16bit<br \/>\n* **\u7cbe\u5ea6** \uff1aPT100\u3001PT1000\uff1a\u00b10.35\u2103\uff1b\u5176\u4ed6\u7c7b\u578b\uff1a\u00b10.50\u2103<br \/>\n* **\u6d4b\u91cf\u8303\u56f4** \uff1aPT \u7cfb\u5217\uff1a- 50\u2103 &#8211; 300\u2103\uff1bCU \u7cfb\u5217\uff1a- 50\u2103 &#8211; 150\u2103<br \/>\n* **\u6570\u5b57\u91cf\u8f6c\u6362\u8303\u56f4** \uff1aPT \u7cfb\u5217\uff1a- 5000 &#8211; 30000\uff1bCU \u7cfb\u5217\uff1a- 5000 &#8211; 15000\uff08\u8bfb\u53d6\u7801\u503c\u9664\u4ee5 100 \u4e3a\u5b9e\u9645\u6e29\u5ea6\u503c\uff09<br \/>\n* **\u91c7\u6837\u901f\u7387** \uff1a6ms\/\u6bcf\u901a\u9053<\/p>\n<p>4. **\u901a\u7528\u53c2\u6570** \uff1a<br \/>\n* **\u603b\u7ebf\u534f\u8bae** \uff1aMODBUS TCP<br \/>\n* **\u9ed8\u8ba4 IP \u5730\u5740** \uff1a192.168.1.12<br \/>\n* **\u7f51\u53e3\u6269\u5c55\u80fd\u529b** \uff1a\u652f\u6301\u6700\u591a 16 \u4e2a\u4ece\u7ad9<br \/>\n* **\u4f20\u8f93\u901f\u7387** \uff1a100Mbps<\/p>\n<p>## \u4e94\u3001\u5b89\u88c5\u4e0e\u4f7f\u7528\u6307\u5357<\/p>\n<p>1. **\u5b89\u88c5\u6b65\u9aa4** \uff1a<br \/>\n* \u6839\u636e\u73b0\u573a\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u5b89\u88c5\u4f4d\u7f6e\uff0c\u786e\u4fdd\u6a21\u5757\u5468\u56f4\u6709\u8db3\u591f\u7684\u6563\u70ed\u7a7a\u95f4\uff0c\u907f\u514d\u9760\u8fd1\u9ad8\u6e29\u3001\u5f3a\u7535\u78c1\u5e72\u6270\u6e90\u7b49\u4e0d\u5229\u73af\u5883\u3002<br \/>\n* \u5c06\u6a21\u5757\u56fa\u5b9a\u5728\u63a7\u5236\u67dc\u7684\u5bfc\u8f68\u4e0a\uff0c\u4f7f\u7528\u5bfc\u8f68\u5361\u6263\u8fdb\u884c\u7a33\u56fa\u5b89\u88c5\u3002\u5bf9\u4e8e\u4e0d\u5177\u5907\u5bfc\u8f68\u5b89\u88c5\u6761\u4ef6\u7684\u60c5\u51b5\uff0c\u4e5f\u53ef\u91c7\u7528\u87ba\u4e1d\u56fa\u5b9a\u65b9\u5f0f\u5b89\u88c5\u5728\u5e73\u6574\u7684\u9762\u677f\u6216\u673a\u67dc\u5e95\u5ea7\u4e0a\u3002<br \/>\n* \u6309\u7167\u6a21\u5757\u7684\u63a5\u53e3\u5b9a\u4e49\u56fe\uff0c\u4f7f\u7528\u53ef\u62d4\u63d2\u7aef\u5b50\u8fde\u63a5\u76f8\u5e94\u7684\u4fe1\u53f7\u7ebf\u7f06\uff0c\u5305\u62ec\u7535\u6e90\u7ebf\u3001\u8f93\u5165\u4fe1\u53f7\u7ebf\u3001\u8f93\u51fa\u4fe1\u53f7\u7ebf\u4ee5\u53ca\u901a\u4fe1\u7f51\u7ebf\u7b49\u3002\u5728\u8fde\u63a5\u8fc7\u7a0b\u4e2d\uff0c\u6ce8\u610f\u7ebf\u7f06\u7684\u6807\u8bc6\u548c\u5bf9\u5e94\u7aef\u5b50\u7684\u6781\u6027\uff0c\u786e\u4fdd\u63a5\u7ebf\u51c6\u786e\u65e0\u8bef\uff0c\u907f\u514d\u56e0\u63a5\u7ebf\u9519\u8bef\u5bfc\u81f4\u6a21\u5757\u635f\u574f\u6216\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<p>2. **\u4f7f\u7528\u65b9\u6cd5** \uff1a<br \/>\n* \u5b8c\u6210\u786c\u4ef6\u5b89\u88c5\u540e\uff0c\u63a5\u901a\u7535\u6e90\uff0c\u89c2\u5bdf\u6a21\u5757\u4e0a\u7684\u901a\u4fe1\u6307\u793a\u706f\u548c\u7cfb\u7edf\u6307\u793a\u706f\u72b6\u6001\uff0c\u786e\u8ba4\u6a21\u5757\u6b63\u5e38\u4e0a\u7535\u5e76\u5efa\u7acb\u901a\u4fe1\u8fde\u63a5\u3002<br \/>\n* \u4f7f\u7528\u914d\u5957\u7684\u4e0a\u4f4d\u673a\u8f6f\u4ef6\uff08\u5982 PLC \u7f16\u7a0b\u8f6f\u4ef6\u3001\u7ec4\u6001\u8f6f\u4ef6\u7b49\uff09\u6216\u81ea\u884c\u5f00\u53d1\u7684\u76d1\u63a7\u7a0b\u5e8f\uff0c\u901a\u8fc7\u6a21\u5757\u7684\u901a\u4fe1\u534f\u8bae\u5bf9\u6a21\u5757\u8fdb\u884c\u914d\u7f6e\u548c\u64cd\u4f5c\u3002\u5728\u914d\u7f6e\u8fc7\u7a0b\u4e2d\uff0c\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8bbe\u7f6e\u6a21\u5757\u7684 IP \u5730\u5740\u3001\u7aef\u53e3\u53f7\u3001\u901a\u4fe1\u53c2\u6570\uff08\u5982\u6ce2\u7279\u7387\u3001\u6570\u636e\u4f4d\u3001\u505c\u6b62\u4f4d\u7b49\uff0c\u9002\u7528\u4e8e\u4e32\u53e3\u901a\u4fe1\u6a21\u5f0f\uff09\u3001I\/O \u901a\u9053\u5c5e\u6027\uff08\u8f93\u5165 \/ \u8f93\u51fa\u3001\u6709\u6e90 \/ \u65e0\u6e90\u7b49\uff09\u4ee5\u53ca\u6570\u636e\u91c7\u96c6\u4e0e\u63a7\u5236\u7684\u76f8\u5173\u53c2\u6570\u3002<br \/>\n* \u8fdb\u884c\u529f\u80fd\u6d4b\u8bd5\uff0c\u9a8c\u8bc1\u6a21\u5757\u7684\u5404\u9879\u529f\u80fd\u662f\u5426\u6b63\u5e38\uff0c\u5982\u6570\u5b57\u91cf\u8f93\u5165\u7684\u4fe1\u53f7\u91c7\u96c6\u3001\u6570\u5b57\u91cf\u8f93\u51fa\u7684\u9a71\u52a8\u63a7\u5236\u3001\u6a21\u62df\u91cf\u8f93\u5165\u7684\u6570\u503c\u7cbe\u5ea6\u3001\u6a21\u62df\u91cf\u8f93\u51fa\u7684\u7a33\u5b9a\u6027\u3001\u6e29\u5ea6\u6d4b\u91cf\u7684\u51c6\u786e\u6027\u7b49\u3002\u5728\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d\uff0c\u5982\u53d1\u73b0\u95ee\u9898\uff0c\u53ef\u53ca\u65f6\u68c0\u67e5\u63a5\u7ebf\u3001\u914d\u7f6e\u53c2\u6570\u4ee5\u53ca\u8f6f\u4ef6\u7a0b\u5e8f\uff0c\u6392\u9664\u6545\u969c\u76f4\u81f3\u6a21\u5757\u7a33\u5b9a\u8fd0\u884c\u3002<\/p>\n<p>## \u516d\u3001\u552e\u540e\u670d\u52a1<\/p>\n<p>\u6211\u4eec\u63d0\u4f9b\u5b8c\u5584\u7684\u552e\u540e\u670d\u52a1\u4fdd\u969c\uff0c\u786e\u4fdd\u60a8\u5728\u4f7f\u7528 MT3A 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