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瑙告懜灞忔槸涓€绋€ｆ帴浜哄拰姗熷櫒鐨勪汉姗熺晫闈�锛屽畠浠ｆ浛浜嗗師濮嬬殑鎺у埗鑷哄拰椤ず鍣�锛屽彲鐢ㄤ簬鏁�(sh霉)鎿�(j霉)椤ず鍜屽弮鏁�(sh霉)瑷疆锛屽苟涓斿彲浠ョ敤鍕曟厠(t脿i)鏇茬窔鐨勫舰寮忔弿杩扮郴绲�(t菕ng)鐨勬帶鍒堕亷绋�锛涙摯灞曚簡PLC鐨勫姛鑳�锛屾笡灏戜簡鎸夐垥銆侀枊闂�銆佸剙琛ㄧ瓑鍎€鍣ㄧ殑浣跨敤銆�

1绯荤当(t菕ng)鐨勭祫鎴�

鏈郴绲�(t菕ng)閲囩敤SiemensS7-200鍜岃开鏂囪Ц鎽稿睆绲勬垚鐨勭郴绲�(t菕ng)鎺у埗鐝�(xi脿n)鍫寸殑闆诲嫊闁�銆侀浕纾侀枼銆侀浕鍕曟鍜屾韩搴︽帶鍒跺櫒绛夊煼(zh铆)琛屾妲嬨€係7-200閫氶亷妯℃摤閲忚几鍏ユā濉婂拰婧害銆佸鍔涘偝鎰熷櫒閲囬泦鐝�(xi脿n)鍫寸殑婧害鍜屽鍔涗俊铏燂紝淇¤櫉閫氶亷PLC涓婄殑A/D杞夋彌銆佹暩(sh霉)鍊艰畩鎻涘偝閫佸埌瑙告懜灞忎笂锛岃Ц鎽稿睆椤ず瀵︽檪鐨勬韩搴﹀€�銆佸鍔涘€笺€佹韩搴︽洸绶�銆佸鍔涙洸绶氬拰PID鏇茬窔锛涗笖PID鍙冩暩(sh霉)鍙互閫氶亷瑙告懜灞忛€茶瑷疆锛岃Ц鎽稿睆绲LC鐧�(f膩)閫佹寚浠�锛屼互鎺у埗鐝�(xi脿n)鍫寸殑鍩�(zh铆)琛屾妲嬨€傜敱浜嶱LC鎺ュ彛鐐篟S-485锛岃Ц鎽稿睆鎺ュ彛鐐篟S-232锛屽洜姝�锛岄渶瑕佸鍔犱竴鍊婻S-485/RS-232杞夋彌绶�銆傛帶鍒剁郴绲�(t菕ng)鐨勭祫鎴愬鍦�1鎵€绀�銆�

鍦�1鎺у埗绯荤当(t菕ng)绲勬垚妗嗗湒

2PLC鍜岃Ц鎽稿睆鐨勯€氫俊

瑷堢畻姗熻垏瑷堢畻姗熸垨瑷堢畻姗熻垏绲傜涔嬮枔鐨勬暩(sh霉)鎿�(j霉)鍌抽€佸彲浠ラ噰鐢ㄤ覆琛岄€氫俊鍜屽苟琛岄€氫俊2绋柟寮忋€係7-200绯诲垪PLC鐨勯€氫俊鍒�3绋伐浣滄柟寮忥細PPI閫氫俊鏂瑰紡銆佽嚜鐢卞彛閫氫俊鏂瑰紡鍜孭rofibus-DP閫氫俊鏂瑰紡锛屾湰绯荤当(t菕ng)閲囩敤鐨勬槸鑷敱鍙ｉ€氫俊鏂瑰紡銆�

2.1PLC鐨勮嚜鐢卞彛閫氫俊

鐣禨7锛�锛�200绯诲垪PLC浣跨敤鑷敱鍙ｉ€氫俊鏅�锛屾暩(sh霉)鎿�(j霉)鍌宠几鍗�(xi茅)璀板畬鍏ㄧ敱鐢ㄦ埗绋嬪簭姹哄畾锛屾墍鏈夌殑閫氫俊浠诲嫏閮借鐢辩敤鎴剁法绋嬪畬鎴�銆傞€氶亷鑷敱鍙ｆ柟寮�锛孲7-200鍙互鑸囦覆琛屾墦鍗版銆佹纰奸柋璁€鍣�銆佽Ц鎽稿睆閫茶閫氫俊锛屽叾娉㈢壒鐜囪寖鍦嶇偤1200~115200bit/s锛堝彲瑾�(di脿o)鏁达級銆傝嚜鐢卞彛閫氫俊鐨勬牳蹇冩槸XMT锛堢櫦(f膩)閫侊級鍜孯CV锛堟帴鏀讹級閫�2姊濇寚浠や互鍙婄浉鎳夌殑鐗规畩瀵勫瓨鍣ㄦ帶鍒�銆傛湰绯荤当(t菕ng)鐨勮嚜鐢卞彛閫氫俊浣跨敤鐨勬槸鑷敱鍙�0锛孲7-200CPU浣跨敤SMB30瀹氱京鑷敱鍙�0鐨勫伐浣滄ā寮�銆傞€氶亷鐗规畩瀵勫瓨鍣⊿MB30锛屽彲浠ュ皪鏍￠鐨勯伕鎿�銆佹瘡鍊嬪瓧绗︾殑鏁�(sh霉)鎿�(j霉)浣嶃€佽嚜鐢卞彛鐨勬尝鐗圭巼鍜屽崝(xi茅)璀伴伕鎿囬€茶瑷疆銆係7-200CPU涓婄殑鑷敱鍙ｆ帴鍙ｇ偤RS-485锛岃Ц鎽稿睆鐨勬帴鍙ｇ偤RS锛�锛�232锛岃ō瑷堟檪闇€瑕佸埗鍋氫竴鍊婻S-485/RS-232鐨勯€氫俊绶�銆傝€孲7-200CPU鐨勯€氫俊鍙S-485鐐哄崐闆欏伐閫氫俊鍙�锛岀櫦(f膩)閫佸拰鎺ユ敹鎸囦护涓嶈兘鍚屾檪铏曚簬婵€娲荤媭鎱�(t脿i)锛屾鏅�锛屽彲浠ラ€氶亷鎺у埗鐗规畩瀵勫瓨鍣⊿MB87渚嗘帶鍒禦CV锛堟帴鏀讹級锛岀暥鍦ㄦ寚瀹氭檪闁撳収(n猫i)PLC娌掓湁鏀跺埌淇℃伅鏅傦紝RCV鎸囦护灏囧仠姝㈡帴鏀�銆�

2.2瑙告懜灞忕殑鏁�(sh霉)鎿�(j霉)鍌抽€佹柟寮�

杩枃瑙告懜灞忕殑涓插彛鏁�(sh霉)鎿�(j霉)骞€绲愭鐢卞箑闋�銆佹寚浠ゃ€佹暩(sh霉)鎿�(j霉)浠ュ強骞€灏剧祼鏉熺閫�4鍊嬫暩(sh霉)鎿�(j霉)濉婄祫鎴�銆傚箑闋浐瀹氱偤0XAA锛岃€屾寚浠ゅ弮鑰冭开鏂囨寚浠ら泦锛屾暩(sh霉)鎿�(j霉)鏈€澶氱偤249B锛屽箑灏剧祼鏉熺鍥哄畾鐐�0XCC銆�0X33銆�0XC3銆�0X3C.鍏朵腑锛�0X浠ｈ〃16閫插埗鏁�(sh霉)銆傝开鏂囪Ц鎽稿睆鎵€鏈夋寚浠ゆ垨鏁�(sh霉)鎿�(j霉)閮芥槸16閫插埗锛圚EX锛夋牸寮忥紝灏嶄簬瀛楀瀷锛�2瀛楃瘈(ji茅)锛夋暩(sh霉)鎿�(j霉)锛屽瓧绡€(ji茅)鍌抽€侀爢搴忛噰鐢ㄩ珮瀛楃瘈(ji茅)鍏堝偝閫侊紙MSB锛夌殑鏂瑰紡銆傚偝閫佹柟鍚戠偤涓嬭锛圱x锛夋檪锛孭LC鐧�(f膩)閫佹暩(sh霉)鎿�(j霉)绲﹁Ц鎽稿睆锛屾暩(sh霉)鎿�(j霉)寰炶Ц鎽稿睆涓茶鎺ュ彛鐨勨€淒in寮曡叧鈥濊几鍏ワ紱鍌抽€佹柟鍚戠偤涓婅锛圧x锛夋檪锛岃Ц鎽稿睆鐧�(f膩)閫佹暩(sh霉)鎿�(j霉)绲LC锛屾暩(sh霉)鎿�(j霉)寰炶Ц鎽稿睆涓茶鎺ュ彛鐨勨€淒out寮曡叧鈥濊几鍑�銆傝Ц鎽稿睆鑸嘝LC涓插彛鏁�(sh霉)鎿�(j霉)浜ゆ彌浜ゆ彌閬庣▼濡傚湒2鎵€绀�銆�

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3鍏稿瀷鐨凱LC绋嬪簭

3.1妯℃摤閲忕殑閲囬泦鍙婄櫦(f膩)閫�

鍦ㄦā鎿噺杓稿叆鍙婂叾杞夋彌鎴愬闅涘€肩殑閬庣▼涓紙浠ユ韩搴︾偤渚嬶級锛屾韩搴﹀偝鎰熷櫒閲囬泦鍒扮殑妯℃摤淇¤櫉閫氶亷PLC妯℃摤閲忚几鍏ユā濉婅畩鎴愭暩(sh霉)瀛椾俊铏熷偝鍒癙LC鐨勫瓨鍎插櫒锛屽啀鏍规摎(j霉)鍌虫劅鍣ㄧ殑閲忕▼绛夊闅涙儏娉佹妸鏁�(sh霉)瀛椾俊铏熸彌绠楁垚瀵﹂殯鐨勬韩搴﹀€硷紙妯℃摤閲忔瘮渚嬫彌绠楁槸鎸囩敱浜嶢/D銆丏/A杞夋彌涔嬮枔鐨勫皪鎳夐棞绯伙紝S7-200CPU鍏�(n猫i)閮ㄧ敤鏁�(sh霉)鍊艰〃绀哄閮ㄧ殑妯℃摤閲忎俊铏�锛屽叐鑰呬箣闁撴湁涓€瀹氱殑鏁�(sh霉)瀛搁棞绯伙紝鍗虫ā鎿噺/鏁�(sh霉)鍊奸噺鐨勬彌绠楅棞绯伙級銆�

绯荤当(t菕ng)寰炴ā鎿噺妯″涓湴鍧€鐐篈IW10鐨勯€氶亾杓稿叆妯℃摤閲忋€傜偤浜嗗寮疯几鍏ユā鎿噺鐨勭┅(w臎n)瀹氭€�锛屾ā鎿噺閲囬泦绋嬪簭閲囩敤姹傚娆￠噰妯ｅ€肩殑骞冲潎鍊兼柟娉�锛涜€岀偤浜嗘笡灏慍PU鐨勬巸鎻忔檪闁�锛岀▼搴忎腑鐨勯櫎娉曢噰鐢ㄧЩ浣嶉櫎娉曪紙鐢ㄩ噰妯ｆ鏁�(sh霉)鐨�2鐨勬鏂硅〃绀猴紝濡�128娆＄偤2鐨�8娆℃柟锛�銆�

3.2瑙告懜灞忕殑瑙告帶鍔熻兘

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3.3閫氫俊鐨勭浉闂滅▼搴�

PLC鐨勭法绋嬫柟娉曞洜绋嬪簭瑷▓浜哄摗鐨勬€濈董缈掓叄涓嶅悓鑰屾湁寰堝ぇ宸暟锛屽父鐢ㄧ殑绶ㄧ▼鏂规硶鏈夋褰㈠湒绶ㄧ▼鍜岃獮鍙ヨ〃绶ㄧ▼2绋�銆傛褰㈠湒鎺ヨ繎绻奸浕鍣ㄦ帶鍒剁殑琛ㄩ仈褰㈠紡锛岃獮鍙ヨ〃鍓囬浼间簬瑷堢畻姗熷尟绶ㄨ獮瑷€锛岄€�2绋法绋嬫柟寮忓潎瀵︽檪鍙嶆槧鍑虹辜闆诲櫒鎺у埗鐨勬€濇兂銆傛湰鏂囬噰鐢ㄨ獮鍙ヨ〃鐨勭法绋嬫柟娉曠法瀵簡瑙告懜灞忓拰PLC閫氫俊鍙婅Ц鎽稿睆瑙告帶锛堣Ц鎽稿睆绲LC鐧�(f膩)閫佹寚浠�锛岄€氶亷PLC鎺у埗鍩�(zh铆)琛屾妲嬶級鐨勭▼搴忥紝鍏剁▼搴忓涓�銆�

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4鐢ㄦ埗鐣岄潰

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