姘斿姩璋冭妭闃€(搴旂敤鍘熸潗鏂?鐢熼搧銆侀摳閽歡銆佷笉閿堥挗鏉跨瓑)鍜岀數(shù)鍔ㄨ皟鑺傞榾鐨勮緝涓?a href="http://dna188.cn" target="_self">鐢?shù)鍔ㄨ皟鑺傞榾鏄敱璋冭妭闃€鍜岀數(shù)鍔ㄦ墽琛屾満鏋?final controlling element)2涓竴閮ㄥ垎鏋勬垚鐨勶紝鐢?shù)鍔ㄦ墽琛屾満鏋勬帴绾虫搷绾靛Q坈ontrol)緋葷粺杞歡鐢墊祦閲忎俊鍙?-20MA鎴?-5V宸ヤ綔鐢?shù)鍘嬩俊鍙疯几鍑烘嫑鍟嗘垨鎵窛锛屾帹鍔ㄧ洿琛尳E嬬數(shù)鍔ㄨ皟鑺傞榾鎴栬琛岀▼鐢?shù)鍔ㄨ皟鑺傞榾闃€蹇?褰掑睘浜庢補(bǔ)璺澘)濮垮娍錛屽綆￠亾鍐呯墿璐?璧峰喅絳栧姛鏁堢殑鍖栧鐗╄川)寮€灞曡皟鏁達(dá)紝鍙﹀鏈夋剰瑙佸弽棣?feedback)淇″彿4-20MA鐢墊祦閲忎俊鍙鋒垨1-5V宸ヤ綔鐢?shù)鍘嬭几鍑哄埌鑷姩鎺у埗绯痪l燂紝榪涜鍙嶉鎺у埗銆?/p>

鐢?shù)鍔ㄨ皟鑺傞榾綾誨瀷鏈夎澶?錛屽ぇ姒傚垎鎴愶細(xì)鐢?shù)鍔ㄥ紡鍗曞骇璋冭妭闃€錛岀數(shù)鍔ㄥ紡鍙屽駭璋冭妭闃€錛岀數(shù)鍔ㄥ紡濂楃瓛瑙勬牸璋冭妭闃€錛岀數(shù)鍔ㄥ紡瑙掑紡璋冭妭闃€錛岀數(shù)鍔ㄥ紡V鍨嬭皟鏁撮椄闃€錛岀數(shù)鍔ㄨ皟鑺傝澏闃€錛岀數(shù)鍔ㄥ紡琛盁璋冭妭闃€絳夈€?/p>

鍙槸姘斿姩璋冭妭闃€(搴旂敤鍘熸潗鏂?鐢熼搧銆侀摳閽歡銆佷笉閿堥挗鏉跨瓑)涓庣數(shù)鍔ㄨ皟鑺傞榾鍚勬湁涓嶅悓錛岃繖鏄敱璋冭妭闃€鍜屾皵鍔ㄦ墽琛屽櫒(final controlling element)涓や竴閮ㄥ垎鏋勬垚銆傞厤鐢?shù)璁惧姘旈榾闂?鍔熸晥:鎿嶇旱錛坈ontrol)鏋勪歡)瀹氫綅浠紝姘旀皵闃€闂ㄥ畾浣嶅櫒錛岀數(shù)姘旇漿鎹㈠櫒錛岃繃铏戝噺鍘嬪櫒絳夐檮娉ㄣ€傚畾浣嶄華鎺ョ撼鑷姩鎺у埗緋葷粺淇″彿錛屾搷綰佃幾鍑哄埌姘斿姩鎵ц鍣ㄥ唴鐨勭殑絀烘皵鍘嬬緝宸ヤ綔鍘嬪姏杞彉錛岄┍鍔ㄥ櫒鐩磋紼嬫皵鍔ㄦ墽琛屽櫒杓稿嚭杞存寜鍗犳瘮浼哥緝寮忥紙澶栦幾鍜岄琛岀緝榪?褰㈠鍦ㄤ竴瀹氱▼搴﹀唴鐨勯殢鏈哄簲鍙?錛岃琛岀▼姘斿姩鎵ц鍣ㄨ幾鍑鴻醬鎸夊崰姣旀棆杞紝鎺ㄥ姩璋冭妭闃€闃€蹇?褰掑睘浜庢補(bǔ)璺澘)濮垮娍錛岃繘琛屽綆￠亾鍐呯墿璐ㄨ皟鏁淬€傛牴鎹數(shù)姘旇澶囬榾闂ㄥ畾浣嶅櫒(涓昏鐢ㄩ€?鐢ㄤ簬鏀硅繘璋冭妭闃€鐨勬€繪祦閲忕壒鐐?鎰忚鍙嶉(feedback)淇″彿4-20MA緇欒嚜鍔ㄦ帶鍒剁郴緇燂紝榪涜鑷姩鎺у埗緋葷粺銆?/p>

闃€涓氬埗閫?Produce)鐨勬皵鍔ㄨ皟鑺傞榾(搴旂敤鍘熸潗鏂?鐢熼搧銆侀摳閽歡銆佷笉閿堥挗鏉跨瓑)鐨勬皵鍔ㄦ墽琛屽櫒(final controlling element)涓€鑸垎鎴愯琛岀▼姘斿姩鎵ц鍣ㄥ拰鐩磋紼嬫皵鍔ㄦ墽琛屽櫒浜岀銆傚悇鑷厤澶囩洿琛岀▼璋冭妭闃€鍜岃琛岀▼璋冭妭闃€銆傜洿琛岀▼姘斿姩鎵ц鍣ㄦ湁姘斿姩寮忓鏂欒杽鑶滃紡鍜屾椿濉炴潌(piston)寮忎簩縐嶃€傛皵鍔ㄥ紡瑙掕紼嬬數(shù)鍔ㄦ墽琛屾満鏋勫父鐢ㄧ殑鏄椿濉炴満緇勭粐錛坥rganization)銆傛皵鍔ㄥ紡濉戞枡钖勮啘鍗曞駭璋冭妭闃€錛屾皵鍔ㄥ紡濉戞枡钖勮啘鍙屽駭璋冭妭闃€錛屾皵鍔ㄥ紡濉戞枡钖勮啘濂楃瓛瑙勬牸璋冭妭闃€涓虹洿琛岀▼姘斿姩璋冭妭闃€銆傛皵鍔ㄥ紡V鍨嬭皟鏁撮椄闃€(涓昏鐢ㄩ€?椋熷搧綾匯€佸寲宸ュ巶銆併€佺數(shù)鍔涘伐紼嬬瓑)錛屾皵鍔ㄨ皟鑺傝澏闃€(鍏抽敭鐢辨補(bǔ)璺澘銆侀榾搴с€佽澏鏉垮拰瀵嗗皝鐜瀯鎴?涓鴻琛岀▼姘斿姩璋冭妭闃€銆?/p>

鐢?shù)鍔ㄨ皟鑺傞榾(搴旂敤鍘熸潗鏂?鐢熼搧銆侀摳閽歡銆佷笉閿堥挗鏉跨瓑)鍦ㄥ畨瑁濆簲鐢ㄥ眰闈㈡瘮姘斿姩璋冭妭闃€瑕佺畝鍗曘€傜數(shù)鍔ㄨ皟鑺傞榾涓嶇敤閾鴻姘斿姩闃€闂ㄧ閬擄紝绔嬪嵆鎺ュ叆寮€鍏崇數(shù)婧愬拰鎿嶇旱錛坈ontrol)淇″彿灝辮兘澶?搴旂敤銆傚湪搴旂敤鍏ㄨ繃紼嬩腑杈冧負(fù)鍣煶涔熻緝涓哄皬錛屽Э鍔夸篃鐩稿鎬хǔ瀹氥€傚茍娌掓湁鍑虹従姘斿姩璋冭妭闃€璋冩暣钀藉悗鐨勭姸鍐點(diǎn)€傜數(shù)鍔ㄨ皟鑺傞榾鐨勫簲鐢ㄦ湡闀匡紝鍙俊鎬ч珮錛屽彲鏄病娉曞湪鍏抽棴鐢墊簮鏃跺叏鑷姩鏍″噯銆?/p>

鑰屾皵鍔ㄨ皟鑺傞榾(搴旂敤鍘熸潗鏂?鐢熼搧銆侀摳閽歡銆佷笉閿堥挗鏉跨瓑)鐩稿鏉ヨ鎴愭湰璐硅緝浣庯紝姘斿姩璋冭妭闃€榪樺叿澶囬槻鐏畨鍏ㄩ槻鐖嗗瀷鐨勭壒鎬э紝鍦ㄧ煶娌瑰寲宸ヨ澶?petrochemical industry)搴旂敤棰嗗煙杈冨銆傛皵鍔ㄨ皟鑺傞榾蹇呴』閰嶅闂擱榾(鍔熸晥:鎺у埗緋葷粺)瀹氫綅浠€佽繃婊ゅ噺鍘嬮榾銆佷繚浣嶉榾絳夐檮娉紝瀹夎鍏ㄨ繃紼嬬箒鏉傘€傝€屼笖紜寲姍¤兌(Rubber)鑴夊啿闃誨凹鍣ㄥ繀欏繪寜鏃舵媶鎹紝瀹冨彲浠ュ湪鏂俊鍙鋒垨鍜芥皵鏃朵嬌姘斿姩璋冭妭闃€寮€鍚垨鍏蟲帀錛屽彲浠ョ‘淇濇満鍣ㄨ澶囧畨鍏ㄦ€с€?/p>

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寰峰窞鍑嚎絀鴻皟璁懼鏈夐檺鍏徃錛氶檲 2022.05.6

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