"现场仪表是4-20 mA DC HART 通讯协议"是指现场总线设备么 哪些仪表设备需要HART协议

HART modbus profibus \u8fd9\u4e09\u79cd\u534f\u8bae\u6709\u4ec0\u4e48\u533a\u522b\uff1f\u8fd9\u51e0\u79cd\u534f\u8bae\u90fd\u662f\u5e72\u4ec0\u4e48\u7528\u7684\uff1f

\u8fd9\u662f\u4e09\u79cd\u4e0d\u540c\u7684\u901a\u4fe1\u534f\u8bae\u3002
HART\u662f\u7ed3\u5408\u6a21\u62df\u4e0e\u6570\u636e\u4fe1\u53f7\u7684\u6df7\u5408\u534f\u8bae\u6765\u8868\u73b0\u63a7\u5236\u7cfb\u7edf\u7684\u4fe1\u606f\u3002
\u901a\u8fc7\u4f7f\u7528HART\uff0c\u4f20\u7edf\u76844-20 mA\uff08\u6a21\u62df\uff09\u4fe1\u53f7\u88ab\u7528\u6765\u4ee3\u8868\u8fc7\u7a0b\u53d8\u91cf\u6216\u63a7\u5236\u8f93\u51fa\u4fe1\u53f7\u3002\u6b21\u8981\u7684\u53d8\u91cf\uff0c\u8bbe\u5907\u72b6\u6001\u548c\u8bbe\u5907\u914d\u7f6e\u6570\u636e\u90fd\u5728\u8be54-20 mA\u4fe1\u53f7\u4e0a\u901a\u8fc7\u4f7f\u7528HART\u6570\u636e\u534f\u8bae\u5f97\u4ee5\u4f20\u8f93\u3002
modbus\u548cprofibus \u90fd\u662f\u5e94\u7528\u662f\u5de5\u4e1a\u73b0\u573a\u7684\u603b\u7ebf\u534f\u8bae\uff0c\u4e3b\u7ad9\u63a7\u5236\u7cfb\u7edf\u5408\u73b0\u573a\u8bbe\u5907\u7528\u7684\u90fd\u6bd4\u8f83\u591a\uff0c HART\u5728\u8fc7\u7a0b\u63a7\u5236\u4e2d\u7528\u7684\u6bd4\u8f83\u591a\uff0c\u6bd4\u5982\u4e00\u4e9b\u6d41\u91cf\u8ba1\uff0c\u53d8\u9001\u5668\uff0c\u4f20\u611f\u5668\u7b49\uff0c\u8981\u628a\u5b83\u4eec\u7684\u6570\u636e\u91c7\u96c6\u5230\u4e3b\u63a7\u7cfb\u7edf\u4e2d\u5c31\u9700\u8981\u7528\u7684\u4e00\u4e9b\u8f6c\u6362\u4ea7\u54c1\u3002
\u6bd4\u5982\u4e0a\u4f4d\u673a\u662fmodbus\u534f\u8bae\u7684DCS\u6216\u8005PLC\u4e4b\u7c7b\uff0c\u5c31\u8981\u7528\u5230HART\u8f6cmodbus\u7684\u7f51\u5173\u6a21\u5757\u8f6c\u6362\u534f\u8bae\u91c7\u96c6\u6570\u636e\uff0c\u4e0a\u6d77\u6cd7\u535a\u81ea\u52a8\u5316\u6709\u4e00\u6b3e\u662f\u53ef\u4ee5\u6ee1\u8db3\u8fd9\u4e2a\u9700\u6c42\u7684 \u578b\u53f7\u662f HTM-611 \uff0c\u5f53\u9700\u8981\u8fde\u63a5profibus\u4e3b\u7ad9\u7684\u65f6\u5019\uff0c\u5c31\u8981\u7528\u5230\u53e6\u4e00\u4e2a\u8f6c\u6362\u6a21\u5757\u3002
HPM-610 \u4e0a\u6d77\u6cd7\u535aHART\u8f6cmodbus \u548c HART\u8f6cprofibus\u7f51\u5173\uff0c\u90fd\u53ef\u4ee5\u8fde\u63a5\u591a\u4e2aHART\uff0c\u5c06\u591a\u53f0HART\u4eea\u8868\u7684\u6570\u636e\u96c6\u4e2d\u91c7\u96c6\u4e0a\u4f20\u7684\u4e0a\u4f4d\u673a\u3002
\u4e00\u3001\u672c\u8d28\u7c7b\u522b\u4e0d\u540c\uff1a
1\u3001HART\u662f\u7ed3\u5408\u6a21\u62df\u4e0e\u6570\u636e\u4fe1\u53f7\u7684\u6df7\u5408\u534f\u8bae\u6765\u8868\u73b0\u63a7\u5236\u7cfb\u7edf\u7684\u4fe1\u606f\u3002\u901a\u8fc7\u4f7f\u7528HART\uff0c\u4f20\u7edf\u76844-20 mA\uff08\u6a21\u62df\uff09\u4fe1\u53f7\u88ab\u7528\u6765\u4ee3\u8868\u8fc7\u7a0b\u53d8\u91cf\u6216\u63a7\u5236\u8f93\u51fa\u4fe1\u53f7\uff0cHART\u4e0d\u662f\u771f\u6b63\u7684\u73b0\u573a\u603b\u7ebf\u3002
2\u3001Modbus \u662f\u4e00\u4e2a\u8bf7\u6c42/\u5e94\u7b54\u534f\u8bae\u3002
3\u3001PROFIBUS\u662f\u4e00\u4e2a\u7528\u5728\u81ea\u52a8\u5316\u6280\u672f\u7684\u73b0\u573a\u603b\u7ebf\u6807\u51c6\u3002
\u4e8c\u3001\u7528\u6cd5\u4e0d\u540c\uff1a
1\u3001HART\u6b21\u8981\u7684\u53d8\u91cf\uff0c\u8bbe\u5907\u72b6\u6001\u548c\u8bbe\u5907\u914d\u7f6e\u6570\u636e\u90fd\u5728\u8be54-20 mA\u4fe1\u53f7\u4e0a\u901a\u8fc7\u4f7f\u7528HART\u6570\u636e\u534f\u8bae\u5f97\u4ee5\u4f20\u8f93\u3002
2\u3001\u82e5\u4e0a\u4f4d\u673a\u662fmodbus\u534f\u8bae\u7684DCS\u6216\u8005PLC\u4e4b\u7c7b\uff0c\u5c31\u8981\u7528\u5230HART\u8f6cmodbus\u7684\u7f51\u5173\u6a21\u5757\u8f6c\u6362\u534f\u8bae\u91c7\u96c6\u6570\u636e\u3002
3\u3001modbus\u66f4\u591a\u7684\u5177\u6709\u5f00\u653e\u5f0f\u3002
\u4e09\u3001\u4f20\u8f93\u65b9\u5f0f\u4e0d\u540c\uff1a
1\u3001HART\u901a\u4fe1\u91c7\u7528\u7684\u662f\u534a\u53cc\u5de5\u7684\u901a\u4fe1\u65b9\u5f0f\uff0c\u5c5e\u4e8e\u6a21\u62df\u7cfb\u7edf\u5411\u6570\u5b57\u7cfb\u7edf\u8f6c\u53d8\u8fc7\u7a0b\u4e2d\u8fc7\u6e21\u6027\u4ea7\u54c1\uff0c\u56e0\u800c\u5728\u5f53\u524d\u7684\u8fc7\u6e21\u65f6\u671f\u5177\u6709\u8f83\u5f3a\u7684\u5e02\u573a\u7ade\u4e89\u80fd\u529b\uff0c\u5f97\u5230\u4e86\u8f83\u5feb\u53d1\u5c55\u3002
2\u3001PROFIBUS\u4f9d\u636eEIA-485\u89c4\u8303\u7684\u7535\u6c14\u4f20\u8f93\u65b9\u5f0f\u4f1a\u4f7f\u7528\u963b\u6297150\u6b27\u59c6\u7684\u53cc\u7ede\u7ebf\uff0c\u6bd4\u7279\u7387\u8303\u56f4\u53ef\u4ee5\u4ece9.6 kbit/s\u523012 Mbit/s\u3002\u4e24\u53f0\u4e2d\u7ee7\u5668\u4e4b\u95f4\u7684\u7f51\u7edc\u7ebf\u957f\u4e5f\u6709\u9650\u5236\uff0c\u968f\u6bd4\u7279\u7387\u7684\u4e0d\u540c\uff0c\u4e0a\u9650\u4ece100\u7c73\u52301200\u7c73\u3002\u8fd9\u79cd\u4f20\u8f93\u65b9\u5f0f\u4e3b\u8981\u914d\u5408PROFIBUS DP\u4f7f\u7528\u3002
3\u3001Modbus\u5df2\u7ecf\u6210\u4e3a\u5de5\u4e1a\u9886\u57df\u901a\u4fe1\u534f\u8bae\u7684\u4e1a\u754c\u6807\u51c6\uff08De facto\uff09\uff0c\u5e76\u4e14\u73b0\u5728\u662f\u5de5\u4e1a\u7535\u5b50\u8bbe\u5907\u4e4b\u95f4\u5e38\u7528\u7684\u8fde\u63a5\u65b9\u5f0f\u3002
PROFIBUS\u662f\u4e00\u4e2a\u7528\u5728\u81ea\u52a8\u5316\u6280\u672f\u7684\u73b0\u573a\u603b\u7ebf\u6807\u51c6\u3002
HART\u5728\u8fc7\u7a0b\u63a7\u5236\u4e2d\u7528\u7684\u6bd4\u8f83\u591a\uff0c\u6bd4\u5982\u4e00\u4e9b\u6d41\u91cf\u8ba1\uff0c\u53d8\u9001\u5668\uff0c\u4f20\u611f\u5668\u7b49\uff0c\u8981\u628a\u5b83\u4eec\u7684\u6570\u636e\u91c7\u96c6\u5230\u4e3b\u63a7\u7cfb\u7edf\u4e2d\u5c31\u9700\u8981\u7528\u7684\u4e00\u4e9b\u8f6c\u6362\u4ea7\u54c1\u3002
\u82e5\u4e0a\u4f4d\u673a\u662fmodbus\u534f\u8bae\u7684DCS\u6216\u8005PLC\u4e4b\u7c7b\uff0c\u5c31\u8981\u7528\u5230HART\u8f6cmodbus\u7684\u7f51\u5173\u6a21\u5757\u8f6c\u6362\u534f\u8bae\u91c7\u96c6\u6570\u636e\uff0c\u4e0a\u6d77\u6cd7\u535a\u81ea\u52a8\u5316\u6709\u4e00\u6b3e\u662f\u53ef\u4ee5\u6ee1\u8db3\u8fd9\u4e2a\u9700\u6c42\u7684 \u578b\u53f7\u662f HTM-611\uff0c\u5f53\u9700\u8981\u8fde\u63a5profibus\u4e3b\u7ad9\u7684\u65f6\u5019\uff0c\u5c31\u8981\u7528\u5230\u53e6\u4e00\u4e2a\u8f6c\u6362\u6a21\u5757\uff0c HPM-610\u3002
\u652f\u63011\u4e2aHART\u901a\u9053\uff0c\u591a\u70b9\u6a21\u5f0f\u4e0b\u4f7f\u7528\u7f51\u5173\u5185\u7f6e\u7535\u963b\u652f\u6301\u8fde\u63a513\u53f0\u4eea\u8868\uff0c\u4f7f\u7528\u5916\u90e8\u7535\u963b\uff08250\u03a9\uff09\u652f\u6301\u8fde\u63a515\u53f0\u4eea\u8868\u3002
HART\u4fa7\u53ef\u914d\u7f6e\u4e3a\u7b2c\u4e00\u4e3b\u7ad9\u6216\u7b2c\u4e8c\u4e3b\u7ad9\uff0c\u652f\u6301\u7a81\u53d1\u6a21\u5f0f\uff0c\u652f\u6301\u957f\u77ed\u5e27\u683c\u5f0f\uff0c\u652f\u6301\u6240\u6709HART\u547d\u4ee4\uff0cHART\u8f93\u5165\u6570\u636e\u7f13\u51b2\u533a\u8fbe1600byte\uff0c\u8f93\u51fa\u6570\u636e\u7f13\u51b2\u533a\u8fbe1000byte\uff0c\u6bcf\u901a\u9053\u6700\u591a\u53ef\u914d\u7f6e128\u6761\u547d\u4ee4\u3002
modbus\u548cprofibus \u90fd\u662f\u5e94\u7528\u662f\u5de5\u4e1a\u73b0\u573a\u7684\u603b\u7ebf\u534f\u8bae\uff0c\u4e3b\u7ad9\u63a7\u5236\u7cfb\u7edf\u5408\u73b0\u573a\u8bbe\u5907\u7528\u7684\u90fd\u6bd4\u8f83\u591a\u3002
\u540e\u6765\u57281993\u5e74\u63d0\u51fa\u4e86\u67b6\u6784\u8f83\u7b80\u5355\uff0c\u901f\u5ea6\u4e5f\u63d0\u5347\u8bb8\u591a\u7684PROFIBUS DP\uff08DP\u4ee3\u8868Decentralized Peripherals\uff09\u3002
PROFIBUS FMS\u662f\u7528\u5728PROFIBUS\u4e3b\u7ad9\u4e4b\u95f4\u7684\u975e\u786e\u5b9a\u6027\u901a\u4fe1\u3002PROFIBUS DP\u4e3b\u8981\u662f\u7528\u5728PROFIBUS\u4e3b\u7ad9\u548c\u5176\u8fdc\u7a0b\u4ece\u7ad9\u4e4b\u95f4\u7684\u786e\u5b9a\u6027\u901a\u4fe1\uff0c\u4f46\u4ecd\u5141\u8bb8\u4e3b\u7ad9\u53ca\u4e3b\u7ad9\u4e4b\u95f4\u7684\u901a\u4fe1\u3002
\u6269\u5c55\u8d44\u6599\uff1a
PROFIBUS\u7684\u5386\u53f2\u53ef\u8ffd\u6eaf\u52301987\u5e74\u8054\u90a6\u5fb7\u56fd\u5f00\u59cb\u7684\u4e00\u4e2a\u5408\u4f5c\u8ba1\u5212\uff0c\u6b64\u8ba1\u5212\u6709\u5341\u56db\u5bb6\u516c\u53f8\u53ca\u4e94\u4e2a\u7814\u7a76\u673a\u6784\u53c2\u4e0e\uff0c\u76ee\u6807\u662f\u8981\u63a8\u52a8\u4e00\u79cd\u4e32\u5217\u73b0\u573a\u603b\u7ebf\uff0c\u53ef\u6ee1\u8db3\u73b0\u573a\u8bbe\u5907\u63a5\u53e3\u7684\u57fa\u672c\u9700\u6c42\u3002\u4e3a\u4e86\u8fd9\u4e2a\u76ee\u7684\uff0c\u53c2\u4e0e\u7684\u6210\u5458\u540c\u610f\u652f\u6301\u6709\u5173\u5de5\u5382\u751f\u4ea7\u53ca\u7a0b\u5e8f\u81ea\u52a8\u5316\u7684\u5171\u901a\u6280\u672f\u7814\u7a76\u3002
PROFIBUS\u4e2d\u6700\u65e9\u63d0\u51fa\u7684\u662fPROFIBUS FMS\uff08FMS\u4ee3\u8868Field bus Message Specification\uff09\uff0c\u662f\u4e00\u4e2a\u590d\u6742\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u4e3a\u8981\u6c42\u4e25\u82db\u7684\u901a\u4fe1\u4efb\u52a1\u6240\u8bbe\u8ba1\uff0c\u9002\u7528\u5728\u8f66\u95f4\u7ea7\u901a\u7528\u6027\u901a\u4fe1\u4efb\u52a1\u3002
\u540e\u6765\u57281993\u5e74\u63d0\u51fa\u4e86\u67b6\u6784\u8f83\u7b80\u5355\uff0c\u901f\u5ea6\u4e5f\u63d0\u5347\u8bb8\u591a\u7684PROFIBUS DP\uff08DP\u4ee3\u8868Decentralized Peripherals\uff09\u3002PROFIBUS FMS\u662f\u7528\u5728PROFIBUS\u4e3b\u7ad9\u4e4b\u95f4\u7684\u975e\u786e\u5b9a\u6027\u901a\u4fe1\u3002PROFIBUS DP\u4e3b\u8981\u662f\u7528\u5728PROFIBUS\u4e3b\u7ad9\u548c\u5176\u8fdc\u7a0b\u4ece\u7ad9\u4e4b\u95f4\u7684\u786e\u5b9a\u6027\u901a\u4fe1\uff0c\u4f46\u4ecd\u5141\u8bb8\u4e3b\u7ad9\u53ca\u4e3b\u7ad9\u4e4b\u95f4\u7684\u901a\u4fe1\u3002
Modbus\u534f\u8bae\u76ee\u524d\u5b58\u5728\u7528\u4e8e\u4e32\u53e3\u3001\u4ee5\u592a\u7f51\u4ee5\u53ca\u5176\u4ed6\u652f\u6301\u4e92\u8054\u7f51\u534f\u8bae\u7684\u7f51\u7edc\u7684\u7248\u672c\u3002
\u5927\u591a\u6570Modbus\u8bbe\u5907\u901a\u4fe1\u901a\u8fc7\u4e32\u53e3EIA-485\u7269\u7406\u5c42\u8fdb\u884c\u3002
\u5bf9\u4e8e\u4e32\u884c\u8fde\u63a5\uff0c\u5b58\u5728\u4e24\u4e2a\u53d8\u79cd\uff0c\u5b83\u4eec\u5728\u6570\u503c\u6570\u636e\u8868\u793a\u4e0d\u540c\u548c\u534f\u8bae\u7ec6\u8282\u4e0a\u7565\u6709\u4e0d\u540c\u3002Modbus RTU\u662f\u4e00\u79cd\u7d27\u51d1\u7684\uff0c\u91c7\u7528\u4e8c\u8fdb\u5236\u8868\u793a\u6570\u636e\u7684\u65b9\u5f0f\uff0cModbus ASCII\u662f\u4e00\u79cd\u4eba\u7c7b\u53ef\u8bfb\u7684\uff0c\u5197\u957f\u7684\u8868\u793a\u65b9\u5f0f\u3002\u8fd9\u4e24\u4e2a\u53d8\u79cd\u90fd\u4f7f\u7528\u4e32\u884c\u901a\u4fe1\uff08serial communication\uff09\u65b9\u5f0f\u3002RTU\u683c\u5f0f\u540e\u7eed\u7684\u547d\u4ee4/\u6570\u636e\u5e26\u6709\u5faa\u73af\u5197\u4f59\u6821\u9a8c\u7684\u6821\u9a8c\u548c\uff0c\u800cASCII\u683c\u5f0f\u91c7\u7528\u7eb5\u5411\u5197\u4f59\u6821\u9a8c\u7684\u6821\u9a8c\u548c\u3002\u88ab\u914d\u7f6e\u4e3aRTU\u53d8\u79cd\u7684\u8282\u70b9\u4e0d\u4f1a\u548c\u8bbe\u7f6e\u4e3aASCII\u53d8\u79cd\u7684\u8282\u70b9\u901a\u4fe1\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002
\u5bf9\u4e8e\u901a\u8fc7TCP/IP\uff08\u4f8b\u5982\u4ee5\u592a\u7f51\uff09\u7684\u8fde\u63a5\uff0c\u5b58\u5728\u591a\u4e2aModbus/TCP\u53d8\u79cd\uff0c\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u9700\u8981\u6821\u9a8c\u548c\u8ba1\u7b97\u3002
\u5bf9\u4e8e\u6240\u6709\u7684\u8fd9\u4e09\u79cd\u901a\u4fe1\u534f\u8bae\u5728\u6570\u636e\u6a21\u578b\u548c\u529f\u80fd\u8c03\u7528\u4e0a\u90fd\u662f\u76f8\u540c\u7684\uff0c\u53ea\u6709\u5c01\u88c5\u65b9\u5f0f\u662f\u4e0d\u540c\u7684\u3002
Modbus\u6709\u4e00\u4e2a\u6269\u5c55\u7248\u672cModbus Plus\uff08Modbus+\u6216\u8005MB+\uff09\uff0c\u4e0d\u8fc7\u6b64\u534f\u8bae\u662fModicon\u4e13\u6709\u7684\uff0c\u548cModbus\u4e0d\u540c\u3002\u5b83\u9700\u8981\u4e00\u4e2a\u4e13\u95e8\u7684\u534f\u5904\u7406\u5668\u6765\u5904\u7406\u7c7b\u4f3cHDLC\u7684\u9ad8\u901f\u4ee4\u724c\u65cb\u8f6c\u3002
\u5b83\u4f7f\u75281Mbit/s\u7684\u53cc\u7ede\u7ebf\uff0c\u5e76\u4e14\u6bcf\u4e2a\u8282\u70b9\u90fd\u6709\u8f6c\u6362\u9694\u79bb\u88c5\u7f6e\uff0c\u662f\u4e00\u79cd\u91c7\u7528\u8f6c\u6362/\u8fb9\u7f18\u89e6\u53d1\u800c\u4e0d\u662f\u7535\u538b/\u6c34\u5e73\u89e6\u53d1\u7684\u88c5\u7f6e\u3002\u8fde\u63a5Modbus Plus\u5230\u8ba1\u7b97\u673a\u9700\u8981\u7279\u522b\u7684\u63a5\u53e3\uff0c\u901a\u5e38\u662f\u652f\u6301ISA\uff08SA85\uff09\uff0cPCI\u6216\u8005PCMCIA\u603b\u7ebf\u7684\u677f\u5361\u3002
HART(Highway Addressable Remote Transducer)\uff0c\u53ef\u5bfb\u5740\u8fdc\u7a0b\u4f20\u611f\u5668\u9ad8\u901f\u901a\u9053\u7684\u5f00\u653e\u901a\u4fe1\u534f\u8bae\uff0c\u662f\u7f8e\u56fdROSEMOUNT\u516c\u53f8\u4e8e1985\u5e74\u63a8\u51fa\u7684\u4e00\u79cd\u7528\u4e8e\u73b0\u573a\u667a\u80fd\u4eea\u8868\u548c\u63a7\u5236\u5ba4\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u534f\u8bae\u3002
HART\u88c5\u7f6e\u63d0\u4f9b\u5177\u6709\u76f8\u5bf9\u4f4e\u7684\u5e26\u5bbd\uff0c\u9002\u5ea6\u54cd\u5e94\u65f6\u95f4\u7684\u901a\u4fe1\uff0c\u7ecf\u8fc710\u591a\u5e74\u7684\u53d1\u5c55\uff0cHART\u6280\u672f\u5728\u56fd\u5916\u5df2\u7ecf\u5341\u5206\u6210\u719f\uff0c\u5e76\u5df2\u6210\u4e3a\u5168\u7403\u667a\u80fd\u4eea\u8868\u7684\u5de5\u4e1a\u6807\u51c6\u3002
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1-PROFIBUS
\u767e\u5ea6\u767e\u79d1-Modbus\u901a\u8baf\u534f\u8bae
\u767e\u5ea6\u767e\u79d1-HART\u534f\u8bae

\u4e00\u822c\u4eea\u8868\u56e0\u4e3a\u5f88\u591a\u90fd\u662f4~20mA\u6a21\u62df\u91cf\u4fe1\u53f7\uff0c\u6709\u65f6\u5019\uff0c\u5206\u5e03\u5728\u73b0\u573a\u6bd4\u8f83\u5e7f\u6cdb\uff0c\u5982\u679c\u6309\u7167\u4f20\u7edf\u7684\u65b9\u5f0f\uff0c\u53bb\u73b0\u573a\u8c03\u6821\u8868\u7684\u8bdd\uff0c\u5f88\u9ebb\u70e6\u3002\u8fd9\u65f6\u5019\uff0c\u667a\u80fd\u4eea\u8868\u5c31\u4ea7\u751f\u901a\u4fe1\u7684\u8981\u6c42\u3002\u6211\u4eec\u90fd\u77e5\u9053\uff0c\u4e00\u822c4\uff5e20mA\u4fe1\u53f7\u4f20\u8f93\u6bd4\u8f83\u8fdc\uff081000m\u5185\uff09\uff0c\u6240\u4ee5\uff0c\u5728\u8fd9\u4e0a\u9762\u53e0\u52a0\u4fe1\u53f7\u6bd4\u8f83\u597d\u3002\u53ef\u4ee5\u5728PLC\u7aef\u4e32\u8fde\u4e00\u4e2a250\u6b27\u53ca\u4ee5\u4e0a\uff08\u7ea6\u5728230\uff5e600\u5de6\u53f3\u5427\uff09\u7684\u7535\u963b\uff0c\u7136\u540e\u63a5\u7ec8\u7aef\uff0c\u5c31\u53ef\u4ee5\u8fdc\u7a0b\u8bfb\u53d6\u4eea\u8868\u5f53\u524d\u4fe1\u606f\uff0c\u5e76\u5bf9\u4eea\u8868\u8fdb\u884c\u53c2\u6570\u8bbe\u5b9a\uff0c\u96f6\u70b9\u53ca\u6307\u5b9a\u70b9\u7684\u6821\u51c6\u3002\u4f20\u7edf\u7684\u4e32\u53e3\u4fe1\u53f7\u53d7\u5230\u8ddd\u79bb\u9650\u5236\uff0c\u4e00\u822c\u4e0d\u600e\u4e48\u91c7\u7528\uff0c\u91c7\u7528\u7684\u8bdd\u4e5f\u662f\u91c7\u7528DCS\u65b9\u5f0f\u3002
\u6709\u4e9b\u667a\u80fd\u9600\u95e8\u5b9a\u4f4d\u5668\u4e5f\u53ef\u4ee5\u7528HART\u901a\u8baf\u3002
\u5982\u679c\u9700\u8981\uff0c\u53ef\u4ee5\u5728\u4eea\u8868\u9009\u578b\u65f6\u9009\u62e9\uff0c\u4e00\u822c\u90fd\u662f\u9009\u62e9hart\u6216\u8005\u8109\u51b2\uff0c\u4e0d\u8fc7\u8109\u51b2\u4e0d\u600e\u4e48\u7528

HART(HighwayAddressableRemoteTransducer)，可寻址远程传感器高速通道的开放通信协议，是美国Rosemount公司于1985年推出的一种用于现场智能仪表和控制室设备之间的通信协议。HART不是真正的现场总线，而是从模拟控制系统向现场总线过渡的一

扩展阅读：4米2货车气刹松紧视频 ... q&q手表官网日本 ... q&q手表一般多少钱 ... &读中文发音 ... 4.2货车气刹视频教程 ... quote安卓版下载 ... &quot app ... 西铁城q&q官网 ... 4米2货车气刹图片 ...