{"id":1875,"date":"2025-07-24T11:22:41","date_gmt":"2025-07-24T11:22:41","guid":{"rendered":""},"modified":"2026-08-11T17:56:16","modified_gmt":"2026-08-11T09:56:16","slug":"%e7%94%b5%e7%a3%81%e6%b5%81%e9%87%8f%e8%ae%a1%e6%a8%a1%e6%8b%9f%e9%87%8f%e8%be%93%e5%87%ba%e6%a0%a1%e5%87%86","status":"publish","type":"post","link":"https:\/\/www.jskmyb.com\/?p=1875","title":{"rendered":"\u7535\u78c1\u6d41\u91cf\u8ba1\u6a21\u62df\u91cf\u8f93\u51fa\u6821\u51c6"},"content":{"rendered":"<p>\u7535\u78c1\u6d41\u91cf\u8ba1\u6a21\u62df\u91cf\u8f93\u51fa\u6821\u51c6\u6b65\u9aa4\u8be6\u89e3<a href=\"http:\/\/www.jskmyb.com\/dcllj\/\" target=\"_self\" title=\"\u7535\u78c1\u6d41\u91cf\u8ba1\">\u7535\u78c1\u6d41\u91cf\u8ba1<\/a>\u7684\u6a21\u62df\u91cf\u8f93\u51fa\uff08\u59824~20mA\uff09\u7528\u4e8e\u4f20\u8f93\u6d41\u91cf\u4fe1\u53f7\u81f3PLC\u3001DCS\u7b49\u63a7\u5236\u7cfb\u7edf\u3002\u82e5\u8f93\u51fa\u4fe1\u53f7\u4e0e\u6d41\u91cf\u663e\u793a\u503c\u4e0d\u5339\u914d\uff0c\u9700\u8fdb\u884c\u6821\u51c6\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u6821\u51c6\u65b9\u6cd5\u53ca\u6ce8\u610f\u4e8b\u9879\uff1a\u4e00\u3001\u6821\u51c6\u524d\u7684\u51c6\u5907\u5de5\u4f5c1.\u786e\u8ba4\u4eea\u8868\u72b6\u6001\u68c0\u67e5\u7535\u6e90\u3001\u4fe1\u53f7\u7ebf\u8fde\u63a5\u662f\u5426\u6b63\u5e38\u3002\u786e\u4fdd\u6d41\u91cf\u8ba1\u5df2\u6b63\u786e\u5b8c\u6210\u96f6\u70b9\u6821\u51c6\u548c\u91cf\u7a0b\u6821\u51c6\uff08\u89c1\u524d\u6587\uff09\u3002\u82e5\u4f7f\u7528HART\u534f\u8bae\uff0c\u51c6\u5907HART\u624b\u64cd\u5668\uff08\u5982ROSEMOUNT 475\uff09\u30022.\u5de5\u5177\u51c6\u5907\u6807\u51c6\u7535\u6d41\u8868\uff08\u7cbe\u5ea6\u22650.1%\uff09\u6216\u4e07\u7528\u8868\uff08\u6d4b\u91cf4~20mA\uff09\u3002\u8d1f\u8f7d\u7535\u963b\uff08\u901a\u5e38250\u03a9\uff0c\u7528\u4e8e\u6a21\u62dfPLC\/DCS\u8f93\u5165\uff09\u3002\u4fe1\u53f7\u53d1\u751f\u5668\uff08\u53ef\u9009\uff0c\u7528\u4e8e\u6a21\u62df\u8f93\u5165\u9a8c\u8bc1\uff09\u30023.\u5b89\u5168\u63aa\u65bd\u6821\u51c6\u524d\u786e\u4fdd\u5de5\u827a\u7ba1\u9053\u5904\u4e8e\u5b89\u5168\u72b6\u6001\uff08\u65e0\u538b\u529b\u3001\u65e0\u5371\u9669\u4ecb\u8d28\uff09\u3002\u8bb0\u5f55\u539f\u59cb\u53c2\u6570\uff0c\u9632\u6b62\u8bef\u64cd\u4f5c\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002\u4e8c\u3001\u6a21\u62df\u91cf\u8f93\u51fa\u6821\u51c6\u6b65\u9aa4\u65b9\u6cd51\uff1a\u901a\u8fc7\u8f6c\u6362\u5668\u83dc\u5355\u624b\u52a8\u6821\u51c6\uff08\u65e0HART\uff09\u9002\u7528\u4e8e\u5927\u591a\u6570\u7535\u78c1\u6d41\u91cf\u8ba1\uff0c\u5982E+H\u3001\u897f\u95e8\u5b50\u3001\u79d1\u9686\u7b49\u54c1\u724c\u3002\u6b65\u9aa4\uff1a1.\u8fdb\u5165\u8f93\u51fa\u6821\u51c6\u83dc\u5355\u901a\u8fc7\u8f6c\u6362\u5668\u6309\u952e\u8fdb\u5165 \u201cOutput Calibration\u201d \u6216 \u201c\u7535\u6d41\u8f93\u51fa\u6821\u51c6\u201d\u3002\u90e8\u5206\u4eea\u8868\u9700\u8f93\u5165\u5bc6\u7801\uff08\u53c2\u8003\u8bf4\u660e\u4e66\uff09\u30022.4mA\u70b9\u6821\u51c6\uff08\u96f6\u70b9\u7535\u6d41\uff09\u786e\u4fdd\u6d41\u91cf\u4e3a 0\uff08\u5173\u95ed\u9600\u95e8\uff0c\u6d41\u4f53\u9759\u6b62\uff09\u3002\u5728\u83dc\u5355\u4e2d\u9009\u62e9 \u201c4mA Adjust\u201d\uff0c\u7528\u7535\u6d41\u8868\u6d4b\u91cf\u8f93\u51fa\u7535\u6d41\u3002\u82e5\u7535\u6d41\u22604mA\uff0c\u8c03\u6574\u81f3 4.000mA\u00b10.02mA\uff0c\u786e\u8ba4\u4fdd\u5b58\u30023.20mA\u70b9\u6821\u51c6\uff08\u6ee1\u91cf\u7a0b\u7535\u6d41\uff09\u901a\u5165 \u6ee1\u91cf\u7a0b\u6d41\u91cf\uff08\u6216\u4f7f\u7528\u6a21\u62df\u4fe1\u53f7\u6a21\u62df\u6ee1\u91cf\u7a0b\uff09\u3002\u5728\u83dc\u5355\u4e2d\u9009\u62e9 \u201c20mA Adjust\u201d\uff0c\u7528\u7535\u6d41\u8868\u6d4b\u91cf\u8f93\u51fa\u7535\u6d41\u3002\u82e5\u7535\u6d41\u226020mA\uff0c\u8c03\u6574\u81f3 20.000mA\u00b10.02mA\uff0c\u786e\u8ba4\u4fdd\u5b58\u30024.\u7ebf\u6027\u5ea6\u9a8c\u8bc1\u5206\u522b\u6d4b\u8bd5 25%\uff088mA\uff09\u300150%\uff0812mA\uff09\u300175%\uff0816mA\uff09 \u6d41\u91cf\u70b9\uff0c\u786e\u4fdd\u8bef\u5dee\u2264\u00b10.5%\u3002\u65b9\u6cd52\uff1a\u4f7f\u7528HART\u624b\u64cd\u5668\u6821\u51c6\u9002\u7528\u4e8e\u652f\u6301HART\u534f\u8bae\u7684\u6d41\u91cf\u8ba1\uff08\u5982\u827e\u9ed8\u751f\u3001\u6a2a\u6cb3\u7b49\uff09\u3002\u6b65\u9aa4\uff1a1.\u8fde\u63a5HART\u624b\u64cd\u5668\uff0c\u9009\u62e9 \u201cOnline\u201d \u2192 \u201cCalibration\u201d \u2192 \u201cAnalog Output Trim\u201d\u30022.4mA\u6821\u51c6\u786e\u4fdd\u6d41\u91cf=0\uff0c\u6267\u884c \u201cLow Trim\u201d\uff0c\u8c03\u6574\u81f34.000mA\u30023.20mA\u6821\u51c6\u901a\u5165\u6ee1\u91cf\u7a0b\u6d41\u91cf\uff0c\u6267\u884c \u201cHigh Trim\u201d\uff0c\u8c03\u6574\u81f320.000mA\u30024.\u4fdd\u5b58\u53c2\u6570\u5e76\u9000\u51fa\u3002\u65b9\u6cd53\uff1a\u786c\u4ef6\u8c03\u6574\uff08\u8001\u5f0f\u6216\u5206\u4f53\u5f0f\u4eea\u8868\uff09\u90e8\u5206\u8001\u5f0f\u7535\u78c1\u6d41\u91cf\u8ba1\u9700\u901a\u8fc7\u7535\u4f4d\u5668\u8c03\u6574\uff1a1.\u627e\u5230\u8f6c\u6362\u5668\u677f\u4e0a\u7684 \u201cZero Adj.\u201d\uff08\u96f6\u70b9\uff09 \u548c \u201cSpan Adj.\u201d\uff08\u91cf\u7a0b\uff09 \u7535\u4f4d\u5668\u30022.\u7528\u87ba\u4e1d\u5200\u5fae\u8c03\uff0c\u540c\u65f6\u7528\u7535\u6d41\u8868\u76d1\u6d4b\uff0c\u76f4\u81f3\u8f93\u51fa\u7535\u6d41\u51c6\u786e\u3002\u4e09\u3001\u6821\u51c6\u540e\u9a8c\u8bc1\u96f6\u70b9\u68c0\u67e5\uff080\u6d41\u91cf\u65f6\u662f\u5426\u4e3a4.000mA\uff09\u3002\u6ee1\u91cf\u7a0b\u68c0\u67e5\uff08\u6700\u5927\u6d41\u91cf\u65f6\u662f\u5426\u4e3a20.000mA\uff09\u3002\u4e2d\u95f4\u70b9\u9a8c\u8bc1\uff08\u598212mA\u5bf9\u5e9450%\u6d41\u91cf\uff0c\u8bef\u5dee\u5e94\u2264\u00b10.5%\uff09\u3002\u6d41\u91cf\uff08%\uff09\uff1a0%\u7406\u8bba\u7535\u6d41\uff08mA\uff09\uff1a4.00\u5b9e\u6d4b\u7535\u6d41\uff08mA\uff09\uff1a4.02\u8bef\u5dee\uff1a+0.5%\u6d41\u91cf\uff08%\uff09\uff1a50%\u7406\u8bba\u7535\u6d41\uff08mA\uff09\uff1a12.00\u5b9e\u6d4b\u7535\u6d41\uff08mA\uff09\uff1a11.95\u8bef\u5dee\uff1a-0.42%\u6d41\u91cf\uff08%\uff09\uff1a100%\u7406\u8bba\u7535\u6d41\uff08mA\uff09\uff1a20.00\u5b9e\u6d4b\u7535\u6d41\uff08mA\uff09\uff1a20.01\u8bef\u5dee\uff1a+0.05%\u56db\u3001\u5e38\u89c1\u95ee\u9898\u53ca\u5904\u7406\u95ee\u9898\uff1a\u8f93\u51fa\u59cb\u7ec8\u4e3a4mA\uff08\u65e0\u53d8\u5316\uff09\u53ef\u80fd\u539f\u56e0\uff1a\u63a5\u7ebf\u9519\u8bef\/\u4fe1\u53f7\u7ebf\u77ed\u8def\u89e3\u51b3\u65b9\u6cd5\uff1a\u68c0\u67e5\u56de\u8def\u662f\u5426\u5f00\u8def\uff0c\u8d1f\u8f7d\u7535\u963b\u662f\u5426\u6b63\u5e38\u95ee\u9898\uff1a\u8f93\u51fa\u8d85\u91cf\u7a0b\uff08\uff1e20mA\uff09\u53ef\u80fd\u539f\u56e0\uff1a\u91cf\u7a0b\u8bbe\u7f6e\u9519\u8bef\u89e3\u51b3\u65b9\u6cd5\uff1a\u91cd\u65b0\u6821\u51c620mA\u70b9\u95ee\u9898\uff1a\u8f93\u51fa\u6ce2\u52a8\u5927\u53ef\u80fd\u539f\u56e0\uff1a\u7535\u78c1\u5e72\u6270\/\u63a5\u5730\u4e0d\u826f\u89e3\u51b3\u65b9\u6cd5\uff1a\u68c0\u67e5\u5c4f\u853d\u7ebf\uff0c\u6539\u5584\u63a5\u5730\u95ee\u9898\uff1a\u7535\u6d41\u504f\u5dee\u56fa\u5b9a\uff08\u5982\u59cb\u7ec8+0.5mA\uff09\u53ef\u80fd\u539f\u56e0\uff1a\u96f6\u70b9\u6f02\u79fb\u89e3\u51b3\u65b9\u6cd5\uff1a\u91cd\u65b0\u6267\u884c4mA\/20mA\u6821\u51c6\u4e94\u3001\u6ce8\u610f\u4e8b\u98791.\u8d1f\u8f7d\u7535\u963b\u5339\u914d4~20mA\u8f93\u51fa\u901a\u5e38\u9a71\u52a8 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[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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