1 寮曡█

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2 dde鑸噊pc鎶€琛撶殑宸ヤ綔姗熷埗

2.1 dde鎶€琛撶殑宸ヤ綔姗熷埗

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2.2 opc鎶€琛撶殑宸ヤ綔姗熷埗

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鍚屾ǎ鍙互鍦╲isual basic涓坊鍔爈abel锛�銆乴abel锛�锛屽苟寤虹珛鍜宒assidirect銆乺sllinx鐨刣de閫氳▕閫ｆ帴锛屼娇鍏跺垎鍒ラ毃鎵€閫ｆ帴s7-300 plc鏁告摎db5.dbw20銆乧ontrollogix 1756-l55 plc鍏ㄥ眬璁婇噺“linxlogixtag”鏁稿€肩殑璁婂寲鑰岃畩鍖栵紝鍏朵唬纰煎垎鍒ュ涓嬶細 label2.linktopic = "dassidire -ct|dasvrtopic" label2.linkitem = "db5.w20" label2.linkmode = 1 label2.linkrequest label3.linktopic = "rslinx|" & “rslinxtopic” label3.linkitem= "linxlogixtag" label3.linkmode = 1 label3.linkrequest 鍏朵腑锛�“dassidirect”鍜�“dasvrtopic”銆�“rslinx”鍜�“rslinxtopic”鍒嗗垾鐐篸assidirect鍜宺slinx鐨勬噳鐢ㄧ▼搴忓悕浠ュ強鍦╠assidirect鍜宺slinx dde鏈嶅嫏鍣ㄤ腑寤虹珛鐨勪富椤屽悕銆傝€�“db5.w20”鍜�“linxlogixtag”鍓囧垎鍒ュ皪鎳変簬s7-300 plc鏁告摎db5.dbw20鍜宑ontrollogix 1756-l55 plc鍏ㄥ眬璁婇噺linxlogixtag锛岄€欐ǎ锛岃┎娈典唬纰艰鍩�(zh铆)琛屾檪锛宭abel2鍜宭abel3鐨勬暩鍊煎皣闅╬lc涓暩鎿歞b5.dbw20鑸噇inxlogixtag璁婇噺鍊肩殑璁婂寲鑰岃畩鍖�銆�

netdde鏄痙de鐨勭恫绲℃摯灞曞舰寮�锛屼富瑕佺偤缍茬怠涓婁笉鍚岃▓绠楁涔嬮枔鐨勫嫊鎱�(t脿i)鏁告摎浜ゆ彌鎻愪緵鏂逛究銆傚湪visual basic绶ㄧ▼鐠�(hu谩n)澧冧笅锛屼篃鍙互闁嬬櫦(f膩)鍩轰簬netdde鐨勫鎴剁鎳夌敤绋嬪簭銆傝垏闁嬬櫦(f膩)dde瀹㈡埗绔笉鍚岀殑鏄紝缍茬怠涓婁綔鐐篸de鏈嶅嫏鍣ㄥ拰瀹㈡埗绔殑瑷堢畻姗熼兘瑕佸暉鍕昻etdde.exe鏈嶅嫏锛屽苟鍦ㄤ綔鐐篸de鏈嶅嫏鍣ㄧ殑瑷堢畻姗熶笂鍚屾檪鍟熷嫊ddeshare.exe绋嬪簭锛屽皪鏂板缓鐨刣de鍏变韩閫茶蹇呰鐨勮ō缃�銆傚涓嬩唬纰肩殑鍔熻兘鐐鸿▓绠楁pc02璁€鍙杙c01瑷堢畻姗熶笂rslinx dde鏈嶅嫏鍣ㄦ墍閲囬泦鐨�"linxlogixtag" plc璁婇噺鐨勫€笺€�

label4.linktopic= "\pc01 ndde$|pc01shrnm" label4.linkitem= "linxlogixtag" label4.linkmode=1 label4.linkrequest 鐢变簬netdde鐨勮í鍟忛噰鐢ㄤ簡“\<瑷堢畻姗熷悕>|<鍏变韩鍚�>!<璁婇噺鍚�>”鐨勫舰寮�锛屾墍浠ワ紝涓婅堪浠ｇ⒓涓殑“pc01”銆�“pc01shrnm”鍒嗗垾鐐篸de鏈嶅嫏鍣ㄧ殑瑷堢畻姗熷悕鍜宒deshare.exe绋嬪簭涓殑鏂板缓鍏变韩鍚嶏紝鑰宒de瑷晱鎵€闇€瑕佺殑鎳夌敤绋嬪簭鍚峳slinx鍜屼富椤屽悕rslinxtopic鍓囧湪鏂板缓鍏变韩“pc01shrnm”鐨勫爆鎬у皪瑭辨涓€茶浜嗚ō缃�銆�

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4.2 鍒╃敤vb闁嬬櫦(f膩)opc 瀹㈡埗绔�

鍒╃敤visual basic鎵€闁嬬櫦(f膩)鐨刼pc瀹㈡埗绔噳鐢ㄧ▼搴忎富瑕侀噰鐢ㄨ嚜鍕曞寲閫氫俊鎺ュ彛鍜宱pc鏈嶅嫏鍣ㄧ▼搴忓鏂介€氫俊銆傝€宱pc鍩洪噾鏈冩彁渚涚殑opc鑷嫊鍖栨帴鍙� opcdaauto.dll鍕曟厠(t脿i)閺堟帴搴泦鎴愪簡鎵€鏈夌敤浜庡皪opc鏈嶅嫏鍣ㄩ€茶瑷晱鐨勫皪璞�銆佸爆鎬у拰鏂规硶锛岀偤鍒╃敤visual basic闁嬬櫦(f膩)opc瀹㈡埗绔噳鐢ㄧ▼搴忔彁渚涗簡妤靛ぇ鏂逛究銆傜▼搴忚ō瑷堟檪锛宱pc瀹㈡埗绋嬪簭鎳夌暥棣栧厛鐢熸垚opc鏈嶅嫏鍣ㄦ敮鎸佺殑opc灏嶈薄锛岀劧鍚庡啀浣跨敤opc灏嶈薄鏀寔鐨勫爆鎬у拰鏂规硶锛屽鐝惧皪opc鏈嶅嫏鍣ㄧ殑鎿嶄綔鍜岃í鍟忋€�

opc鏁告摎瑷晱灏嶈薄涓昏鍖呮嫭opc鏈嶅嫏鍣紙opcserver锛�銆乷pc绲勯泦鍚堬紙opcgroups锛夈€乷pc绲勶紙opcgroup锛�銆乷pc妯欑敖闆嗗悎锛坥pcitems锛�銆乷pc妯欑敖锛坥pcitem锛夈€乷pc鐎忚鍣紙opcbrowser锛夌瓑骞惧€嬮儴鍒�銆傜▼搴忚ō瑷堟檪锛岃棣栧厛鍦╲isual basic鐠�(hu谩n)澧冧笅閬告搰灏峯pc automation 2.0鎺ュ彛鐨勫紩鐢�锛屾鏅傦紝opc灏嶈薄鏈冭鑷嫊娣诲姞鍒版鍦ㄩ枊鐧�(f膩)鐨勫伐绋嬮爡鐩腑锛岀劧鍚庯紝鍐嶆牴鎿氶渶瑕佸缓绔嬮€欎簺灏嶈薄鐨勫渚嬪苟鍒╃敤鍏跺爆鎬у拰鏂规硶渚嗗鐝惧皪opc鏈嶅嫏鍣ㄧ殑瑷晱銆傚皪opc鏈嶅嫏鍣ㄧ殑瑷晱涓昏鍖呮嫭鑱叉槑opc灏嶈薄瀵︿緥銆侀€ｆ帴opc server銆佹坊鍔犳绨借畩閲�銆佽畝瀵玱pc鏈嶅嫏鍣紙鍚屾/鐣版锛�銆佹柗闁嬮€ｆ帴绛夊咕鍊嬫椹�銆�

opc灏嶈薄瀵︿緥鐨勮伈鏄庝富瑕佸寘鎷皪opc鏈嶅嫏鍣�銆乷pc绲勯泦鍚�銆乷pc绲�銆乷pc妯欑敖闆嗗悎銆乷pc鏈嶅嫏鍣ㄥ彞鏌勭殑鑱叉槑鍙婄▼搴忔墍闇€瑕佺殑鍏跺畠瀵︿緥鐨勮伈鏄�銆俹pc瀹㈡埗绔拰opc server鐨勯€ｆ帴涓昏闈犺鐢╫pc鏈嶅嫏鍣ㄥ皪璞″渚嬬殑connect鏂规硶鍑芥暩渚嗗畬鎴愶紝渚嬪锛岄€ｆ帴鏈湴瑷堢畻姗焏assidirect鍜宺slinx opc server 鐨勪唬纰煎垎鍒ョ偤connect锛�"archestra.dassidirect.1"锛夊拰connect锛�"rslinx opc server"锛� 閫ｆ帴缍茬怠閬犵▼瑷堢畻姗燂紙ip鍦板潃鐐�10.144.45.45锛変笂dassidirect鍜宺slinx opc server 鐨勪唬纰煎垎鍒ョ偤connect锛�"archestra.dassidirect.1", "\10.144.45.45"锛夊拰connect锛�"rslinx opc server", "\10.144.45.45"锛� 闇€瑕佽鏄庣殑鏄暥閫茶閬犵▼opc閫ｆ帴鏅傦紝蹇呴爤鍦ㄩ仩绋嬭▓绠楁涓婇亱琛宒comcnfg绋嬪簭锛屽苟鍟熷嫊瑭茶▓绠楁opc鏈嶅嫏鍣ㄧ殑dcom鏈嶅嫏銆�

妯欑敖璁婇噺鐨勬坊鍔犱富瑕佺敱opc妯欑敖闆嗗悎鐨刟dditems鏂规硶鍑芥暩瀵︾従锛岃┎鍑芥暩瀹氱京浜嗘坊鍔犵殑妯欑敖鏁搁噺銆佹绨借畩閲忓悕锛堟暩绲勶級銆佹噳鐢ㄧ▼搴忓彞鏌勶紙鏁哥祫锛�銆乷pc鏈嶅嫏鍣ㄥ彞鏌勶紙鏁哥祫锛�銆侀尟瑾や唬纰硷紙鏁哥祫锛夌瓑鏂归潰鐨勪俊鎭€備緥濡�锛岀偤dassidirect鍜宺slinx opc鏈嶅嫏鍣ㄦ坊鍔犳绨借畩閲忕殑浠ｇ⒓鐐簍agnms锛�1锛�=”portcps7.jsbf.db2,x48.0”鎴栬€卼agnms锛�1锛�=”linxlogixtag” my_items.additems itmnum, tagnms, clienthdls, svrhandles, err 鍏朵腑锛宮y_items鐐簅pc妯欑敖闆嗗悎鐨勪竴鍊嬪渚�銆傛绨借畩閲忔坊鍔犲畬鎴愬悗锛屽彲閫氶亷syncread銆乻yncwrite鍜宎syncread銆乤syncwrite鍥涘€嬪嚱鏁稿鐝惧皪opc鏈嶅嫏鍣ㄤ腑鐩告噳鏁告摎鐨勮畝瀵搷浣�銆傚湪璁€瀵搷浣滃畬鎴愬悗锛岀▼搴忓皣鏈冭嚜鍕曞煼(zh铆)琛宻yncreadcomplete銆乻yncwritecomplete鍜宎syncread-complete銆乤syncwritecomple-te绛夐亷绋�锛宱pc瀹㈡埗绔噳鐢ㄧ▼搴忕殑鏁告摎椤ず銆佹晠闅滆ê鏂风瓑鍔熻兘鍙湪瑭叉绋嬪簭浠ｇ⒓涓鐝�銆�

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5 绲愭潫瑾�

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