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鐒婄挡灞ょ篂姗熶綔鐐虹剨绲叉垚鍝佺敓鐢�(ch菐n)涓殑涓€鍊嬮噸瑕佺簭绻炴垚鍖濈殑姗熸瑷�(sh猫)鍌�锛屽凡鍦ㄥ悇鍊嬬剨绲茬敓鐢�(ch菐n)寤犲寰楀埌浜嗗唬娉涚殑鎳�(y墨ng)鐢�銆傚畠閫氶亷鏀剧窔銆佸劜绶�銆佹帓绶�銆佹敹绶氬洓鍊嬪柈鍏冧締瀹屾垚鍏剁敓鐢�(ch菐n)宸ヨ棟宸�銆傜敱浜庣剨绲插湪閫茶鏂界剨鏅傞渶瑕佹湁鏀剧挡鍧囧嫽銆侀樆鍔涘潎鍕�銆侀浕寮х┅(w臎n)瀹氱殑鐗规畩瑕佹眰锛屾墍浠ュ皪灞ょ篂姗熺殑宸ヨ棟鍙婂堡绻炵簿搴︽湁寰堥珮鐨勮姹�锛屽畠瑕佹眰鐒婄挡楂樼簿搴︾簭绻�锛屼笖瑕佹帓鍒楁暣榻�锛屽伐钘濇帶鍒惰姹傚ぇ鑷村寘鎷�7鏂归潰鐨勫収(n猫i)瀹�:
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锛�4锛� 瑙� 搴� 楂樼簿搴︽娓垏鎺у埗;
锛�5锛� 鎺� 绶� 瑷�(sh猫)鍌欒畩瑙掑害绉诲嫊瀹氫綅锛岃嚜鍕曟彌鐩�;
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锛�7锛� 绯� 绲�(t菕ng) 浜烘鐣岄潰瑷�(sh猫)瑷堟搷浣滅啊渚�;
閲囩敤鏁�(sh霉)瀛楅€氳▕鐨勬柟寮忓皪璁婇牷鍣ㄩ€茶鎺у埗锛屼笉鍍呭伐浣滅┅(w臎n)瀹�銆佸彲闈狅紝鑰屼笖绮惧害楂�銆傞€氶亷PLC鐨勪覆鍙h垏璁婇牷鍣ㄩ€茶閫氳▕锛屽湪ModbusRTU妯″紡涓�锛屽鐝�(xi脿n)浜嗗堡绻炴鐨勫钩绌�(w臎n)鍋滆粖鎺у埗銆�
1 灞ょ篂姗熷仠杌婃帶鍒剁郴绲�(t菕ng)
1.1 绯荤当(t菕ng)绲勬垚鍜屽師鐞�
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瀹氶暦鍋滆粖鑸囩穵鎬ュ仠杌婄殑鎺у埗鎬濇兂涓嶅悓鐨勫湴鏂规槸锛屽畾闀峰仠杌婅姹傚钩绌�(w臎n)銆佸揩閫熷拰瀹氶暦婧栫⒑;绶婃€ュ仠杌婂彧瑕佹眰蹇€熷钩绌�(w臎n)鍗冲彲銆�
灞ょ篂姗熸帶鍒剁郴绲�(t菕ng)濡傚湒1鎵€绀�锛屽畠鐢变汉姗熺晫闈€€丳LC銆佽畩闋诲櫒銆佹敹绶氶浕姗熴€佹帓绶氭妲�(g貌u)銆佸劜绲叉妲�(g貌u)銆佹斁绶氳缃祫鎴�銆傜剨绲茬敱鏀剧窔瑁濈疆閫佸嚭缍�(j墨ng)閬庡劜绲叉妲�(g貌u)鍚庨€佸線鎺掔窔姗熸(g貌u)锛屾渶鍚庣敱鏀剁窔闆绘灞ょ篂鎴愮洡銆�
浜烘鐣岄潰璨犺铂鍚勭ó绯荤当(t菕ng)鍙冩暩(sh霉)鐨勮ō(sh猫)瀹氳垏椤ず锛屽畠鍖呮嫭鐢ㄦ埗鍙冩暩(sh霉)鍜岃(di脿o)瑭﹀弮鏁�(sh霉)銆傜敤鎴跺弮鏁�(sh霉)鐢ㄤ締瑷�(sh猫)瀹氭墍鐢熺敘(ch菐n)鐒婄挡鐨勭窔寰�銆佹瘮閲�銆侀爯缃噸閲忕瓑锛岄€欎簺鍙冩暩(sh霉)灏嶅畾闀峰仠杌婃槸闈炲父閲嶈鐨�;瑾�(di脿o)瑭﹀弮鏁�(sh霉)鏄(di脿o)瑭︿汉鍝″湪瑾�(di脿o)瑭﹀堡绻炴鏅傚皪涓€浜涘奖闊垮仠杌婃晥鏋滅殑璁婇噺閫茶鏈€鍎�(y艒u)閬告搰浠ラ仈鍒版渶浣崇殑鍋滆粖鏁堟灉鑰岃ō(sh猫)鐨勪竴浜涢噸瑕佸弮鏁�(sh霉)锛屼富瑕佹湁鏀剁窔鍗囬牷閫熷害銆佸€掔窔鍗囬牷閫熷害銆佹敹绶氶檷闋婚€熷害銆佸€掔窔闄嶉牷閫熷害銆佹笡閫熸枡浣嶄笅闄�銆佹笡閫熺櫨鍒嗘瘮銆佸墡杌婃渶楂樻枡浣嶉檺鍒�銆佸畾闀峰墡杌婃檪鍓╀綑閲嶉噺g2銆佽烦杌婇噸閲廹0銆佽烦杌婇牷鐜囩瓑銆傞€欎簺鍙冩暩(sh霉)灏嶅仠杌婃晥鏋滆捣鍒伴棞(gu膩n)閸电殑浣滅敤銆�

鍎茬挡姗熸(g貌u)濡傚湒2鎵€绀猴紝鍏朵腑涓昏閮ㄤ欢鐐哄嫉鍔涙灦銆佹诞鍕曡讥銆佺敱涓婂埌涓嬪垎甯冪殑5鍊嬫帴杩戦枊闂�(gu膩n)锛岄€�5鍊嬫帴杩戦枊闂�(gu膩n)鍙互瑷�(sh猫)瑷堝嚭9绋枡浣�銆傛诞鍕曡讥涓婃湁鎰熸噳(y墨ng)鐗囷紝鐣舵诞鍕曡讥閬斿埌鏌愪竴鍊嬫帴杩戦枊闂�(gu膩n)鏅�锛屾劅鎳�(y墨ng)鐗囧氨鍙互浣挎帴杩戦枊闂�(gu膩n)鐧�(f膩)鍑轰俊铏�锛岀櫦(f膩)鍑虹殑淇¤櫉閫佸線PLC锛屾鏅侾LC鏍规摎(j霉)瑷�(sh猫)瀹氱殑鏂欎綅瑕�(gu墨)鍓囷紝灏卞彲浠ユ娓埌娴嫊杓ョ殑鏂欎綅銆�

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閫氶亷浜烘鐣岄潰瑷�(sh猫)瀹氬弮鏁�(sh霉)锛孭LC妾㈡脯鍎茬挡姗熸(g貌u)涓枡浣�锛岃(di脿o)绡€(ji茅)鍥炶矾鐨勮几鍑虹祼(ji茅)鏋�锛屾帶鍒惰畩闋诲櫒鍜屾斁绶氬墡杌婃妲�(g貌u)銆傞€佸線璁婇牷鍣ㄧ殑鎺у埗淇¤櫉鏄€氶亷RS485涓茶閫氫俊瀵︾従(xi脿n)鐨�锛岄€氫俊鍗�(xi茅)璀扮偤MODBUS涓€RTU锛岃畩闋诲櫒鎺у埗涓婚浕姗熺殑閬嬭閫熷害, PLC閫佸嚭鐨勫墡杌婁俊铏熸帶鍒舵斁绶氬墡杌婅缃�锛屽畬鎴愬皪瀹氶暦鑸囩穵鎬ュ仠杌婄殑鎺у埗銆�
1.2 鍋滆粖绯荤当(t菕ng)鎺у埗鍘熺悊
瀹氶暦鍋滆粖鍜岀穵鎬ュ仠杌婄殑鎺у埗鎬濇兂閮芥槸鍩轰簬灏嶆枡浣嶇殑妾㈡脯锛屾寜鐓т竴瀹氱殑鎺у埗绠楁硶鎺у埗涓婚浕姗熺殑娓涢€熷拰鏀剧窔瑁濈疆鐨勫墡杌婏紝鎺у埗鍘熺悊濡傚湒3鎵€绀�锛屽湪浜烘鐣岄潰鍏堣ō(sh猫)缃笡閫熸枡浣嶄笅闄愶紝姝や笅闄愪綔鐐虹郴绲�(t菕ng)鐨勭郸瀹氬弮鏁�(sh霉)锛屾娓埌鐨勬枡浣嶄俊铏熻垏瑷�(sh猫)瀹氫俊铏熸瘮杓冨緱鍑哄亸宸俊铏�锛岀稉(j墨ng)閬嶱l鈥樻帶鍒跺櫒鐨勮檿鐞�锛屽湪涓€鍊嬩覆琛岄€氫俊鐨勫懆鏈熷収(n猫i)瑾�(di脿o)绡€(ji茅)鍣ㄧ殑杓稿嚭鍊硷紙M浠嶈垏鍋忓樊鍊硷紙銆傦級涔嬮枔鐨勯棞(gu膩n)绯荤偤:
MV = eX K X f 锛�1锛�
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2 杌熶欢瑷�(sh猫)瑷�
2.1 璁婇牷鍣ㄩ€氫俊鏍煎紡鐨勮ō(sh猫)瀹�
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[1] 妤婅(w猫i)鏇革紝鑱炶垐绔�.澶氬姛鑳藉煁寮х剨绲插堡绻炴鐨勭爺鍒禰J].閲戝爆鍒跺搧锛�2004锛�30锛�5锛�:33涓€34.
[2]鐜嬫ü姊�锛屽嫉鏉变寒.鍩轰簬C805l F005鐨勭剨绲插堡绻炴鎺у埗绯荤当(t菕ng)[J].娓帶鎶€琛�(sh霉)锛�2006锛�25锛�6锛�:77涓€78.
[3]鏈辫烦锛岃敚蹇靛钩.ModBus鍗�(xi茅)璀板湪宸ユキ(y猫)鎺у埗绯荤当(t菕ng)涓殑鎳�(y墨ng)鐢╗J].寰▓绠楁鎭�锛�2006锛�22锛�4锛�:118涓€120.
[4]濮滈吵姝�锛岀帇鏉�.鍩轰簬MODBUS鍗�(xi茅)璀板鐝�(xi脿n)鍠墖姗熻垏璁婇牷鍣ㄧ殑閫氫俊[J].鑷嫊鍖栨妧琛�(sh霉)鑸囨噳(y墨ng)鐢�锛�2006锛�25锛�4锛�:78涓€79.
[5]鍚冲鏂�锛屾浘鍑岋紝寮垫泬瑁�锛岃硤鑹.PLC缍�(w菐ng)绲�(lu貌)鑸囪▓绠楁闁撶殑Modbus鍗�(xi茅)璀伴€氫俊瑷�(sh猫)瑷堣垏瀵︾従(xi脿n)銆孞].瑷堢畻姗熻垏鐝�(xi脿n)浠e寲锛�2005锛�11:57涓€60.