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瑗块杸瀛�200PID鎭掓韩鎺у埗鍟忛瑙f焙鏂规硶

鏅�(sh铆)闁擄細2018-09-05 08:58:38渚嗘簮锛氱恫(w菐ng)绲�(lu貌)杞�(zhu菐n)杓�

灏�(d菐o)瑾烇細?濡備娇鐢ㄦ韩搴﹁畩閫佸櫒锛岃浜嗚В婧害璁婇€佸櫒娓噺鑼冨湇锛屽0锝�100鈩�锛涜几鍑洪浕娴佽寖鍦�4锝�20mA锛涘垎搴﹁櫉(h脿o)鏄粈涔堬紝濡侾T100锛涙帴绶氬師鐞嗗湒绛夈€傜浉闂�(gu膩n)杓稿叆鍏冧欢锛涜几鍑哄厓浠跺湪妯℃摤妯″涓婄殑鎺ョ窔鏂瑰紡銆傚叾浠栧宸ョ▼瑕佹眰鐨勭簿搴︽槸澶氬皯绛�銆�

1銆�娉ㄦ剰鍗€(q奴)鍒嗚几鍏ョ鎺ョ殑鏄浕澹撲俊铏�(h脿o)閭勬槸闆绘祦淇¤櫉(h脿o)锛涜几鍑虹鏄浕娴佷俊铏�(h脿o)閭�

鏄浕澹撲俊铏�(h脿o)銆傚湪妯℃摤妯″涓婁笉鍚屼俊铏�(h脿o)涓嬬殑鎺ョ窔鏂瑰紡銆�

2銆佷簡瑙d俊铏�(h脿o)杓稿叆鍏冧欢鐩搁棞(gu膩n)璩囨枡锛�

濡備娇鐢ㄦ韩搴﹁畩閫佸櫒锛岃浜嗚В婧害璁婇€佸櫒娓噺鑼冨湇锛屽0锝�100鈩冿紱杓稿嚭闆绘祦鑼冨湇4锝�20mA锛涘垎搴﹁櫉(h脿o)鏄粈涔�锛屽PT100锛涙帴绶氬師鐞嗗湒绛�銆傜浉闂�(gu膩n)杓稿叆鍏冧欢锛涜几鍑哄厓浠跺湪妯℃摤妯″涓婄殑鎺ョ窔鏂瑰紡銆傚叾浠栧宸ョ▼瑕佹眰鐨勭簿搴︽槸澶氬皯绛�銆�

3銆侀棞(gu膩n)浜嶱ID瑷�(sh猫)瀹氬€�(VD204)纰鸿獚(r猫n)锛�

鍋囧畾鎴戝€戝皣鎺у埗婧害瀹氫綅23.5鈩�锛涗互鍠サ鎬х偤渚嬶紝棣栧厛鎳�(y墨ng)纰哄畾杓稿叆淇¤櫉(h脿o)鏄�0锝�10V闆诲淇¤櫉(h脿o)閭勬槸4锝�20mA闆绘祦淇¤櫉(h脿o)锛燂紝閫欏湪PID瑷�(sh猫)瀹氬€间腑闈炲父閲嶈銆�

濡傛槸0锝�10V闆诲杓稿叆淇¤櫉(h脿o)灏�(du矛)鎳�(y墨ng)0锝�32000锛屾韩搴﹁寖鍦�0锝�100鈩�锛岃ō(sh猫)瀹氬€肩偤鍙洿鎺ョ畻鍑�:VD204=23.5/锛�100-0锛�=0.235锛�

鑻ユ槸闆绘祦4锝�20mA锛屽叾灏�(du矛)鎳�(y墨ng)鏁�(sh霉)鍊兼噳(y墨ng)鐐�6400锝�32000锛屾韩搴﹁寖鍦�0锝�100鈩�锛屽墖瑷�(sh猫)瀹氬€兼噳(y墨ng)鐐�0.388銆�

鍘熷洜锛氭ā鎿ā濉婁腑0锝�32000灏�(du矛)鎳�(y墨ng)0锝�20mA锛涘叾涓�6400锝�32000灏�(du矛)鎳�(y墨ng)4锝�20mA灏�(du矛)鎳�(y墨ng)0锝�100鈩冿紱閫欏氨蹇呴爤閫�(j矛n)琛岀浉闂�(gu膩n)鐨勮▓(j矛)绠�锛�23.5鈩冮浕娴佽▓(j矛)绠楁柟寮忥細

锛�20-4锛夛細锛�100-0锛�=锛圶-4锛�:23.5;

瑙f柟绋嬶細X=7.76(mA)銆�

瑷�(sh猫)瀹氬€硷細VD204=7.76/20=0.388.

4銆侀棞(gu膩n)浜嶱ID杓稿嚭鍊�(VD208)纰鸿獚(r猫n)锛�

浠ュ柈妤垫€х偤渚�锛屾噳(y墨ng)纰哄畾杓稿嚭淇¤櫉(h脿o)鏄�0锝�10V闆诲淇¤櫉(h脿o)閭勬槸4锝�20mA闆绘祦淇¤櫉(h脿o)灏�(du矛)鎳�(y墨ng)钁�0锝�32000锛�

鑻ユ槸杓稿嚭淇¤櫉(h脿o)AQW0灏�(du矛)鎳�(y墨ng)闆诲淇¤櫉(h脿o)锛屾瘮濡�0锝�10V锛屽墖

AQW0=锛堝(sh铆)鏁�(sh霉)VD208*32000鍦ㄨ綁(zhu菐n)鍖栨垚鏁存暩(sh霉)锛夊嵆鍙紱

鑻ユ槸杓稿嚭淇¤櫉(h脿o)AQW0灏�(du矛)鎳�(y墨ng)闆绘祦淇¤櫉(h脿o)锛屾瘮濡�4锝�20mA锛屽墖

AQW0=锛堝(sh铆)鏁�(sh霉)VD208*32000鍦ㄨ綁(zhu菐n)鍖栨垚鏁存暩(sh霉)+6400锛�銆�

5銆侀棞(gu膩n)浜嶱ID鎭掓韩鎺у埗瀵�(sh铆)闅涳細

閫氶亷涓婃(j墨)瀵�(sh铆)椹�(y脿n)鍙煡锛歅ID鎭掓韩鎺у埗鏄湇绻炶憲瑷�(sh猫)瀹氬€奸€�(j矛n)琛岃(di脿o)绡€(ji茅)鐨�銆傝嫢瑷�(sh猫)瀹氭韩搴︾偤23.5鈩�锛涚暥(d膩ng)婧害浣庝簬瑷�(sh猫)瀹氬€兼檪(sh铆)锛屽姞婧捀姹借(di脿o)绡€(ji茅)闁ュ绲傝檿浜庡叏閮ㄦ墦闁嬬媭鎱�(t脿i)锛�锛涚暥(d膩ng)婧害閬�(d谩)鍒�23.5鈩�锛屽姞婧敤鐨勮捀姹借(di脿o)绡€(ji茅)闁ラ枊濮嬮€愭几闂�(gu膩n)闁夛紝鍦ㄩ棞(gu膩n)闁夐亷绋嬩腑锛屾韩搴︽湁鍙兘浠嶅湪婕告几涓婂崌锛屾韩搴﹀亸闆㈣秺澶�锛岄棞(gu膩n)闁夐€熷害瓒婂揩锛涚煡閬撳叏閮ㄩ棞(gu膩n)闁夌偤姝�锛涚暥(d膩ng)婧害鍐嶆浣庝簬瑷�(sh猫)瀹氬€兼檪(sh铆)锛屽姞婧捀姹借(di脿o)绡€(ji茅)闁ュ墖鏈�(hu矛)閫愭几鎵撻枊锛屾墦闁嬮€熷害鍙栨焙浜庢韩搴﹀亸闆㈠€肩殑澶у皬锛屽亸闆㈣秺澶э紝鎵撻枊閫熷害瓒婂揩锛涚洿鍒版韩搴﹀啀娆¢仈(d谩)鍒拌ō(sh猫)瀹氬€笺€傝嫢婧害闀锋檪(sh铆)闁撴湭閬�(d谩)鍒拌ō(sh猫)瀹氬€�锛岃(di脿o)绡€(ji茅)鍔熻兘鏈�(hu矛)灏囪(di脿o)绡€(ji茅)闁ュ叏閮ㄦ墦闁�锛岄€欏氨鏄垜鎵€瑙€瀵熷埌鐨凱ID鎭掓韩鎺у埗鎯呮硜銆傛墍浠ワ紝鎴戝€戝彲浠ユ牴鎿�(j霉)瀵�(sh铆)鎺ф儏娉侀€�(j矛n)琛屽繀瑕佺殑绶ㄧ▼锛屾湁鏁堢殑鍒╃敤浣庝簬瑷�(sh猫)瀹氬€兼檪(sh铆)PID鎺у埗鏅�(sh铆)娈碉紱鍒囨柗楂樹簬瑷�(sh猫)瀹氬€奸儴鍒嗙殑PID鎺у埗锛屽湪婧害楂樹簬瑷�(sh猫)瀹氬€煎悗锛屽嵆鍙牴鎿�(j霉)鐢熺敘(ch菐n)瑕佹眰骞茶剢閮ㄥ垎鎴栧叏閮ㄩ棞(gu膩n)闁夊姞婧枼銆備互闃叉韩搴︿笂鍗囬亷楂�銆備締姹傚緱鍎�(y艒u)瓒婄殑婧帶鏁堟灉銆�

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