{"id":131,"date":"2021-03-11T23:39:59","date_gmt":"2021-03-11T15:39:59","guid":{"rendered":"http:\/\/www.iotot.com\/?p=131"},"modified":"2022-05-22T11:24:04","modified_gmt":"2022-05-22T03:24:04","slug":"scpi%e6%9c%89%e4%bb%80%e4%b9%88%e4%bc%98%e7%82%b9%ef%bc%9f%e4%b8%ba%e4%bb%80%e4%b9%88%e8%a2%ab%e4%bb%aa%e5%99%a8%e8%ae%be%e5%a4%87%e5%b9%bf%e6%b3%9b%e4%bd%bf%e7%94%a8%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/blog.iotot.com\/?p=131","title":{"rendered":"SCPI\u6709\u4ec0\u4e48\u4f18\u70b9\uff1f\u4e3a\u4ec0\u4e48\u88ab\u4eea\u5668\u8bbe\u5907\u5e7f\u6cdb\u4f7f\u7528\uff1f"},"content":{"rendered":"\n<h2>\u6982\u8ff0<\/h2>\n\n\n\n<p>       SCPI\u4e8e1990\u4e0eIEEE 488.2\u534f\u8bae\u4e00\u8d77\u9762\u4e16\u3002\u8fd9\u5957\u6807\u51c6\u5b9a\u4e49\u4e86\u53ef\u7528\u4e8e\u63a7\u5236\u4e00\u5207\u4eea\u5668\u7684\u8bed\u6cd5\uff0c\u547d\u4ee4\u7ed3\u6784\u4ee5\u53ca\u6570\u636e\u683c\u5f0f\u3002\u6bd4\u5982\uff0c\u901a\u7528\u7684\u547d\u4ee4\uff0c\u5982\u914d\u7f6e\u4eea\u5668\u53c2\u6570\u7684\u547d\u4ee4CONFigure\uff0c\u6d4b\u91cf\u547d\u4ee4MEASure\u7b49\u3002\u8fd9\u4e9b\u547d\u4ee4\u53ef\u7528\u4e8e\u4efb\u4e00\u4eea\u5668\uff0c\u5e76\u4e14\u540c\u4e00\u7c7b\u7684\u547d\u4ee4\u5c5e\u4e8e\u540c\u4e00\u5b50\u7cfb\u7edf\u91cc\u3002SCPI\u540c\u65f6\u4e5f\u5b9a\u4e49\u4e86\u82e5\u5e72\u4eea\u5668\u7684\u79cd\u7c7b\u3002\u6bd4\u5982\uff0c\u4efb\u4f55\u53ef\u63a7\u5236\u7684\u7535\u6e90\u90fd\u4f1a\u5b9e\u73b0DCPSUPPLY\u57fa\u672c\u529f\u80fd\u7c7b\u578b\u3002\u4eea\u5668\u7684\u7c7b\u522b\u89c4\u5b9a\u4e86\u5b83\u4eec\u4f1a\u53bb\u5b9e\u73b0\u4ec0\u4e48\u6837\u7684\u5b50\u7cfb\u7edf\uff0c\u5f53\u7136\u4e5f\u5305\u62ec\u9488\u5bf9\u4eea\u5668\u7684\u7279\u5b9a\u529f\u80fd\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cSCPI\u5e76\u672a\u5b9a\u4e49\u7269\u7406\u5c42\u7684\u4f20\u8f93\u4fe1\u9053\u7684\u5b9e\u73b0\u65b9\u6cd5\u3002\u867d\u7136\u4e0a\u6587\u6307\u51fa\u5b83\u6700\u5f00\u59cb\u662f\u548cIEEE 488.2(\u5373GPIB)\u9762\u4e16\u7684\uff0c\u4f46SCPI\u63a7\u5236\u547d\u4ee4\u4e5f\u53ef\u7528\u4e8e\u4e32\u53e3(RS-232)\uff0c\u4ee5\u592a\u7f51\uff0cUSB\u63a5\u53e3\uff0cVXIbus\u7b49\u82e5\u5e72\u786c\u4ef6\u603b\u7ebf\u3002SCPI\u547d\u4ee4\u662fASCII\u5b57\u7b26\u4e32\uff0c\u901a\u8fc7\u7269\u7406\u4f20\u8f93\u5c42\u4f20\u5165\u4eea\u5668\u3002\u547d\u4ee4\u7531\u4e00\u8fde\u4e32\u7684\u5173\u952e\u5b57\u6784\u6210\uff0c\u6709\u7684\u8fd8\u9700\u8981\u5305\u62ec\u53c2\u6570\u3002\u5728\u534f\u8bae\u4e2d\uff0c\u547d\u4ee4\u89c4\u5b9a\u4e3a\u5982\u4e0b\u5f62\u5f0f\uff1aCONFigure\u3002\u5728\u4f7f\u7528\u4e2d\uff0c\u5373\u53ef\u4ee5\u5199\u5168\u540d\uff0c\u4e5f\u53ef\u4ee5\u4ec5\u5199\u4ec5\u5305\u542b\u5927\u5199\u5b57\u6bcd\u7684\u7f29\u5199\u3002\u901a\u5e38\u4eea\u5668\u5bf9\u4e8e\u67e5\u8be2\u547d\u4ee4\u7684\u53cd\u9988\u4e5f\u4e3aASCII\u4ee3\u7801\u3002\u5728\u4f20\u8f93\u5927\u91cf\u6570\u636e\u65f6\uff0c\u4e8c\u8fdb\u5236\u6570\u636e\u4e5f\u662f\u53ef\u4ee5\u4f7f\u7528\u7684\u3002<\/p>\n\n\n\n<h2>\u8bed\u6cd5<\/h2>\n\n\n\n<p>SCPI\u547d\u4ee4\u5927\u81f4\u5206\u4e3a\u4e24\u79cd\u529f\u80fd\uff1a\u6539\u53d8\u4eea\u5668\u8fd0\u884c\u72b6\u6001\u7684<em>set<\/em>\u64cd\u4f5c\uff08\u6253\u5f00\/\u5173\u95ed\u7535\u6e90\u8f93\u51fa\uff09\uff0c\u6216\u8005\u67e5\u8be2\u4eea\u5668\u72b6\u6001\u7684<em>query<\/em>\u64cd\u4f5c\uff08\u4f8b\u5982\u8bfb\u53d6\u8f93\u51fa\u7535\u538b\u503c\uff09\u3002\u67e5\u8be2\u547d\u4ee4\u4e00\u822c\u4ee5\u95ee\u53f7(?)\u7ed3\u5c3e\u3002\u6709\u4e9b\u547d\u4ee4\u5373\u53ef\u4ee5\u7528\u6765\u8bbe\u7f6e\uff0c\u4e5f\u53ef\u4ee5\u7528\u6765\u67e5\u8be2\u4eea\u5668\u3002\u76f8\u4f3c\u7684\u547d\u4ee4\u53ef\u4ee5\u88ab\u5f52\u7c7b\u6210\u4e00\u79cd\u5c42\u72b6\u6216\u6811\u72b6\u7ed3\u6784\u3002\u4f8b\u5982\uff0c\u4efb\u4f55\u8bfb\u53d6\u4eea\u5668\u6d4b\u91cf\u7ed3\u679c\u7684\u547d\u4ee4\u5747\u53ef\u4ee5MEASure\u5f00\u5934\u3002\u7279\u5b9a\u7684\u5b50\u547d\u4ee4\u4ee5\u5192\u53f7\u540c\u4e0a\u7ea7\u547d\u4ee4\u5206\u9694\u5f00\u3002\u4f8b\u5982\uff0c<strong>\u6d4b\u91cf\u76f4\u6d41\u7535\u538b<\/strong>\u4f1a\u662f\u8fd9\u6837\u7684\u5f62\u5f0f\uff1a<strong>MEASure:VOLTage:DC?<\/strong>\uff0c\u6216\u8005<strong>\u6d4b\u91cf\u4ea4\u6d41\u7535\u6d41<\/strong>\u4f1a\u662f\u8fd9\u6837\u7684\u5f62\u5f0f\uff1a<strong>MEASure:CURRent:AC?<\/strong>\u3002<sup>&nbsp;[2]<\/sup><\/p>\n\n\n\n<h3>\u53c2\u6570<\/h3>\n\n\n\n<p>\u6709\u4e9b\u547d\u4ee4\u9700\u8981\u989d\u5916\u7684\u53c2\u6570\u3002\u53c2\u6570\u4e00\u822c\u8ddf\u5728\u547d\u4ee4\u7684\u540e\u9762\uff0c\u4ee5\u7a7a\u683c\u9694\u5f00\u3002\u4f8b\u5982\uff0c\u5c06\u67d0\u4e2a\u4eea\u5668\u7684\u89e6\u53d1\u6a21\u5f0f\u8bbe\u4e3a<em>normal<\/em>\u7684\u547d\u4ee4\u53ef\u5199\u4e3a\uff1aTRIGer:MODe NORMal\u3002\u4e0a\u8ff0\u547d\u4ee4\u91ccNORMal\u5373\u4e3a\u53c2\u6570\u3002<sup>&nbsp;[2]<\/sup><\/p>\n\n\n\n<h3>\u4e32\u8054\u547d\u4ee4<\/h3>\n\n\n\n<p>\u591a\u4e2a\u547d\u4ee4\u53ef\u7528\u4e00\u6761\u8bed\u53e5\u53d1\u9001\u81f3\u4eea\u5668\uff0c\u53ea\u9700\u5728\u6bcf\u6761\u547d\u4ee4\u540e\u4f7f\u7528\u5206\u53f7;\u9694\u5f00\u5373\u53ef\u3002\u540c\u65f6\uff0c\u9664\u4e86\u7b2c\u4e00\u6761\u547d\u4ee4\uff0c\u968f\u540e\u7684\u6bcf\u6761\u547d\u4ee4\u524d\u5fc5\u987b\u52a0\u4e00\u4e2a\u5206\u53f7\u7684\u524d\u7f00\uff08\u9664\u975e\u5176\u4ee5\u661f\u53f7\u5f00\u5934\uff09\u3002\u4f8b\u5982\uff0c<strong>\u6d4b\u91cf\u76f4\u6d41\u7535\u538b\u548c\u4ea4\u6d41\u7535\u6d41<\/strong>\u53ef\u4ee5\u5199\u6210\u4e00\u6761\u8bed\u53e5\uff1a<strong>MEASure:VOLTage:DC?;:MEASure:CURRent:AC?<\/strong>\u3002<sup>\u00a0[2]<\/sup><\/p>\n\n\n\n<p>SCPI \u547d\u4ee4\u4e3a\u6811\u72b6\u5c42\u6b21\u7ed3\u6784\uff0c\u5305\u62ec\u591a\u4e2a\u5b50\u7cfb\u7edf\uff0c\u6bcf\u4e2a\u5b50\u7cfb\u7edf\u7531\u4e00\u4e2a\u6839\u5173\u952e\u8bcd\u548c\u4e00\u4e2a\u6216\u6570 \u4e2a\u5c42\u6b21\u5173\u952e\u5b57\u6784\u6210\u3002\u547d\u4ee4\u884c\u901a\u5e38\u4ee5\u5192\u53f7\u201c:\u201d\u5f00\u59cb(\u4e5f\u53ef\u7701\u7565)\uff1b\u5173\u952e\u8bcd\u4e4b\u95f4\u7528\u5192\u53f7\u201c:\u201d\u5206 \u9694\uff0c\u5173\u952e\u8bcd\u540e\u9762\u8ddf\u968f\u53ef\u9009\u7684\u53c2\u6570\u8bbe\u7f6e\uff1b\u547d\u4ee4\u884c\u540e\u9762\u6dfb\u52a0\u95ee\u53f7\u201c?\u201d\uff0c\u8868\u793a\u67e5\u8be2\uff1b\u547d\u4ee4\u548c\u53c2\u6570 \u4ee5\u201c\u7a7a\u683c\u201d\u5206\u5f00\u3002 \u4f8b\u5982\uff1a [:SOURce:]CURRent[:LEVel][:IMMediate][:AMPLitude] {|MINimum|MAXimum} [:SOURce:]CURRent[:LEVel][:IMMediate][:AMPLitude]? 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