1 \u7535\u6c14\u63a5\u7ebf
\n\t\u4e3a\u4fdd\u8bc1\u51fa\u7ebf\u5957\u7684\u5bc6\u5c01\u53ef\u9760\uff0c\u63a5\u7ebf\u65f6\u5e94\u91c7\u7528\u5706\u622a\u9762\u7535\u7f06\u3002
\n\t
\n\t1.1 \u63a5\u7ebf\u8981\u6c42
\n\t\u6240\u6709\u63a5\u7ebf\u5e94\u5728\u5207\u65ad\u4f9b\u7535\u7535\u6e90\u540e\u8fdb\u884c\u3002
\n\t1.\u5728\u786e\u8ba4\u7535\u7f06\u578b\u53f7\u540e\uff0c\u6309\u89c4\u5b9a\u8fdb\u884c\u63a5\u7ebf\uff0c\u63a5\u7ebf\u5e94\u6b63\u786e\u3001\u7262\u9760\u3002
\n\t2.\u6309\u6b63\u786e\u7a0b\u5e8f\u5c06\u7535\u7f06\u7a7f\u8fdb\u51fa\u7ebf\u5957\uff1a\u9996\u5148\u677e\u5f00\u51fa\u7ebf\u5957\u538b\u7d27\u87ba\u6bcd\uff0c\u62ff\u6389\u5835\u677f\u3002\u4f9d\u6b21\u7ed9\u7535\u7f06\u5957\u4e0a\u538b\u7d27\u87ba\u6bcd\u3001\u6a61\u80f6\u5708\uff0c\u518d\u5c06\u7535\u7f06\u7a7f\u51fa\u7ebf\u5957\u3002\u63a5\u7ebf\u5b8c\u6210\u540e\u7406\u987a\u7535\u7f06\uff0c\u5e76\u65cb\u7d27\u538b\u7d27\u87ba\u6bcd\u4f7f\u6a61\u80f6\u5708\u7d27\u538b\u7535\u7f06\u3002
\n\t3.\u7535\u7f06\u5265\u7ebf\u65f6\uff0c\u6ce8\u610f\u4e0d\u8981\u635f\u4f24\u5e94\u4e88\u4fdd\u7559\u7684\u7edd\u7f18\u5c42\u3002\u5bf9\u6d41\u91cf\u4fe1\u53f7\u82af\u7ebf\uff0c\u53ea\u8981\u53ef\u4ee5\u63a5\u7ebf\uff0c\u5c31\u5c3d\u91cf\u5c11\u5265\u5c4f\u853d\u5c42\u3002\u5bf9 STT3200 \u7535\u7f06\uff0c\u4e24\u540c\u8f74\u7535\u7f06\u7684\u5185\u5c42\u5c4f\u853d\u6cc4\u6f0f\u7ebf\u7ede\u5408\u540e\uff0c\u5e94\u5957\u4e0a\u7edd\u7f18\u5957\u7ba1\uff0c\u7136\u540e\u518d\u63a5\u81f3 SGND \u7aef\u3002\u5bf9\u9ed1\u8272\u534a\u5bfc\u4f53\u5c42\u5e94\u4ece\u6839\u90e8\u5207\u9664\uff0c\u4ee5\u514d\u5f71\u54cd\u5176\u4ed6\u63a5\u7ebf\u3002
\n\t
\n\t1.2 \u7535\u7f06
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\n\tL≤σ ×4
\n\t\u5f0f\u4e2d\uff1a L-\u7535\u7f06\u957f\u5ea6\uff08m\uff09
\n\tσ -\u6d41\u4f53\u7535\u5bfc\u7387\uff08μS\/\u339d\uff09
\n\t\u4f46\u7535\u7f06\u4e00\u822c\u4e0d\u5f97\u8d85\u8fc7 100 m\u3002\u4e3a\u4fdd\u8bc1\u6d4b\u91cf\u7cbe\u5ea6\u548c\u9632\u6b62\u5e72\u6270\uff0c\u8981\u6c42\u8f6c\u6362\u5668\u5c3d\u91cf\u9760\u8fd1\u4f20\u611f\u5668\u5b89\u88c5\u3002
\n\t1.\u52b1\u78c1\u7535\u6d41\u7ebf
\n\t\u52b1\u78c1\u7535\u6d41\u7ebf\u53ef\u91c7\u7528\u4e8c\u82af\u7edd\u7f18\u6a61\u76ae\u8f6f\u7535\u7f06\u7ebf,\u5efa\u8bae\u578b\u53f7\u4e3a YHZ-2×1 \u339c 2\u6216 RVVP2×32\/0.2\u3002
\n\t\u52b1\u78c1\u7535\u6d41\u7ebf\u7684\u957f\u5ea6\u4e0e\u4fe1\u53f7\u7535\u7f06\u957f\u5ea6\u4e00\u81f4\u3002\u5f53\u4f7f\u7528 STT3200 \u4e13\u7528\u7535\u7f06\u65f6\uff0c\u52b1\u78c1\u7535\u7f06\u4e0e\u4fe1\u53f7\u7535\u7f06\u5408\u5e76\u4e3a\u4e00\u6839\u3002
\n\t2.\u6d41\u91cf\u4fe1\u53f7\u7ebf
\n\t\u5206\u4f53\u578b\u8f6c\u6362\u5668\u4e0e\u4f20\u611f\u5668\u914d\u5957\u4f7f\u7528\u65f6\uff0c\u5bf9\u88ab\u6d4b\u6d41\u4f53\u7535\u5bfc\u7387\u5927\u4e8e 50μS\/\u339d\u7684\u60c5\u51b5\uff0c\u6d41\u91cf\u4fe1\u53f7\u4f20\u8f93\u7535\u7f06\u53ef\u4ee5\u4f7f\u7528\u578b\u53f7\u4e3a RVVP2×32\/0.2 \u7684\u805a\u6c2f\u4e59\u70ef\u62a4\u5957\u91d1\u5c5e\u7f51\u5c4f\u853d\u4fe1\u53f7\u7535\u7f06\u3002\u4f7f\u7528\u957f\u5ea6\u5e94\u4e0d\u5927\u4e8e 100 m\u3002\u4fe1\u53f7\u7ebf\u4e0e\u4f20\u611f\u5668\u914d\u5957\u51fa\u5382\u3002\u4fe1\u53f7\u7ebf\u7684\u5904\u7406\u53ef\u6309\u56fe 3-4 \u8fdb\u884c\u3002
\n\t\u672c\u8f6c\u6362\u5668\u63d0\u4f9b\u6709\u7b49\u7535\u4f4d\u6fc0\u52b1\u5c4f\u853d\u4fe1\u53f7\u8f93\u51fa\u7535\u538b\uff0c\u4ee5\u964d\u4f4e\u7535\u7f06\u4f20\u8f93\u7684\u5206\u5e03\u7535\u5bb9\u5bf9\u6d41\u91cf\u4fe1\u53f7\u6d4b\u91cf\u7684\u5f71\u54cd\u3002\u5f53\u88ab\u6d4b\u7535\u5bfc\u7387\u5c0f\u4e8e 50μS\/\u339d\u6216\u957f\u8ddd\u79bb\u4f20\u8f93\u65f6\uff0c\u53ef\u4f7f\u7528\u5177\u6709\u7b49\u7535\u4f4d\u5c4f\u853d\u7684\u53cc\u82af\u53cc\u91cd\u5c4f\u853d\u4fe1\u53f7\u7535\u7f06\u3002\u4f8b\u5982 STT3200 \u4e13\u7528\u7535\u7f06\u6216 BTS \u578b\u4e09\u91cd\u5c4f\u853d\u4fe1\u53f7\u7535\u7f06\u3002
\n\t
\n\t1.3 \u7535\u6e90\u7ebf
\n\t1.\u7535\u6e90\u7ebf\u53ef\u91c7\u7528\u4e8c\u82af\u7edd\u7f18\u6a61\u76ae\u8f6f\u7535\u7f06\u7ebf\uff0c\u5efa\u8bae\u578b\u53f7\u4e3a YHZ-2×1mm2\u3002
\n\t2.\u5bf9\u4e8e\u4ea4\u6d41\u4f9b\u7535\u8f6c\u6362\u5668\uff0c\u76f8\u7ebf\u5e94\u63a5“L1”\u7aef\u5b50\u4e0a\uff01
\n\t3.\u5bf9\u4e8e\u76f4\u6d41\u4f9b\u7535\u8f6c\u6362\u5668\uff0c\u5e94\u6ce8\u610f\u5230\u7535\u7ebf\u7535\u963b\u4e0e\u7535\u6e90\u7535\u538b\u6709\u5173\uff0c\u4e00\u822c\u5728 24V \u4f9b\u7535\u7535\u7f06\u7535\u963b\u4e0d\u5e94\u5927\u4e8e 10Ω \u3002\u7535\u6e90\u7ebf\u7684\u7535\u963b\u503c\u7531\u5bfc\u7ebf\u7684\u957f\u5ea6\u548c\u622a\u9762\u51b3\u5b9a\u3002
\n\t4.\u8f6c\u6362\u5668\u58f3\u4f53\u5fc5\u987b\u63a5\u5730\uff01\u63a5\u7ebf\u7aef\u5b50 PE \u5e94\u91c7\u7528\u4e0d\u5c0f\u4e8e 1.6mm2\u63a5\u5730\u94dc\u7ebf\u63a5\u5927\u5730\u3002\u63a5\u5730\u7535\u963b\u503c\u5e94\u4e0d\u5927\u4e8e 10Ω \u3002
\n\t
\n\t1.4 \u7535\u6d41\u8f93\u51fa\u7ebf
\n\t\u4f7f\u7528\u7535\u6d41\u8f93\u51fa\u7ebf\uff084-20mA\uff09\u65f6\uff0c\u5e94\u6ce8\u610f\u5230\u5bfc\u7ebf\u7684\u7535\u963b\u4e0e\u8d1f\u8f7d\u7535\u963b\u4e4b\u548c\u4e0d\u5f97\u5927\u4e8e 750Ω \u3002\u7535\u6d41\u8f93\u51fa\u63a5\u7ebf\u89c1\u56fe 3.5\u3002
\n\t
\n\t1.5 \u9891\u7387(\u8109\u51b2)\u3001\u4e0a\u4e0b\u9650\u62a5\u8b66\u3001\u6d41\u5411\u6807\u793a\u7b49\u8f93\u51fa\u5747\u4e3a\u96c6\u7535\u6781\u5f00\u8def\u7684\u7535\u5e73\u8f93\u51fa\u4fe1\u53f7\u3002
\n\t\u5b83\u4eec\u9700\u8981\u5916\u63a5\u4f9b\u7535\u7535\u6e90\u548c\u8d1f\u8f7d\uff0c\u89c1\u56fe 3.6b\u30013.6d\u3002\u4f7f\u7528\u611f\u6027\u8d1f\u8f7d\u65f6\uff0c\u5e94\u5982\u56fe 3.6a \u6240\u793a\u52a0\u7eed\u6d41\u4e8c\u6781\u7ba1\u3002
\n\t\u9891\u7387\u8f93\u51fa\uff08\u8109\u51b2\u8f93\u51fa\uff09\u63a8\u8350\u4f7f\u7528\u5916\u4f9b\u7535\u6e90\uff01\u82e5\u4f7f\u7528\u5185\u90e8+12V \u7535\u6e90\uff0c\u5206\u4f53\u8f6c\u6362\u5668 DIP \u5f00\u5173 SW1\u7684\u4e24\u4e2a\u5f00\u5173\u5747\u5e94\u62e8\u5728“ON”\u4f4d\u7f6e\u3002\uff08\u53c2\u9605\u56fe 3.3a;3.6b\uff09
\n\t
\n\t1.6 \u5916\u90e8\u63a7\u5236\u63a5\u70b9\u8f93\u5165\uff08IN+\u3001IN-\uff09\u7531\u5f00\u5173\u6216\u7ee7\u7535\u5668\u89e6\u70b9 ON\/OFF \u63a7\u5236\uff0c\u89c1\u56fe 3.7\u3002
\n\t\u6ce8\u610f\uff0c\u63a5\u70b9\u95f4\u7535\u963b\u5e94\u5c0f\u4e8e 5Ω \u3002
\n\t
\n\t2 \u6570\u5b57\u901a\u8baf\u63a5\u53e3\u53ca\u63a5\u7ebf
\n\tRS-232C \u63a5\u53e3\uff1a\u6309 IEEE RS-232C \u63a5\u53e3\u6807\u51c6\u8bbe\u8ba1\uff0c\u6807\u914d\u4e3a\u975e\u7535\u6c14\u9694\u79bb\u65b9\u5f0f\uff0c\u53ef\u9009\u5149\u7535\u9694\u79bb\u578b\u63a5\u53e3\u3002\u53ef\u652f\u6301 MODBUS \u534f\u8bae RTU \u683c\u5f0f\u3002
\n\tRS-485 \u63a5\u53e3\uff1a\u6309 IEEE RS-485 \u63a5\u53e3\u6807\u51c6\u8bbe\u8ba1\uff0c\u6807\u914d\u4e3a\u975e\u7535\u6c14\u9694\u79bb\u65b9\u5f0f\uff0c\u53ef\u9009\u5149\u7535\u9694\u79bb\u578b\u63a5\u53e3\u3002\u53ef\u652f\u6301 MODBUS \u534f\u8bae RTU \u683c\u5f0f\u548c PROFIBUS-DP \u901a\u8baf\u65b9\u5f0f\u3002
\n\t
\n\t2.1 RS232 \u63a5\u7ebf\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a
\n\t
\n\t2.2 RS485 \u63a5\u7ebf
\n\t2.2.1 \u975e\u7535\u6c14\u9694\u79bb\u65b9\u5f0f\u63a5\u7ebf
\n\t\u4e00\u4f53\u8f6c\u6362\u5668\u63a5\u7ebf\uff08\u975e\u7535\u6c14\u9694\u79bb\u65b9\u5f0f\uff09
\n\t\u5206\u4f53\u8f6c\u6362\u5668\u63a5\u7ebf\uff08\u975e\u7535\u6c14\u9694\u79bb\u65b9\u5f0f\uff09
\n\t
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\n\t\u5206\u4f53\u8f6c\u6362\u5668\u63a5\u7ebf\uff08\u5149\u7535\u9694\u79bb\u65b9\u5f0f\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
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