1 寮曡█

鍒嗗竷寮忔帶鍒剁郴绲�(t菕ng)閫氬父鍙互鍒嗙偤鐝�(xi脿n)鍫存帶鍒跺堡銆侀亷绋嬬洠(ji膩n)鎺у堡銆佺敓鐢�(ch菐n)绠＄悊灞ゅ拰甯傚牬缍�(j墨ng)鐕熺鐞嗗堡鍥涘€嬪堡娆�锛岄亷绋嬬洠(ji膩n)鎺у堡閫氶亷灏嶅鍊嬫帶鍒惰ō鍌欑殑闆嗕腑绠＄悊锛屽畬鎴愮洠(ji膩n)鎺х敓鐢�(ch菐n)閬庣▼鐨勭洰鐨勩€�

鍔涙帶PCAuto鐩�(ji膩n)鎺�绲勬厠(t脿i)杌熶欢鏄檿浜庨亷绋嬬洠(ji膩n)鎺у堡鐨勮粺浠跺钩鑷�锛屽畠鍙亱琛屼簬Windows 98/NT/2000/XP鎿嶄綔绯荤当(t菕ng)涔嬩笂锛岃兘鑸囧湅鍏�(n猫i)澶栧悇宸ユ帶寤犲鐨勫父鐢ㄨō鍌欓€氫俊锛岃垏宸ユ帶姗�鍜岀恫(w菐ng)绲＄郴绲�(t菕ng)鐩哥祼鍚�锛屽彲鏂逛究銆佸揩閫熷湴妲嬮€犳豢瓒充笉鍚岄渶姹傜殑鏁�(sh霉)鎿�(j霉)閲囬泦鑸囩洠(ji膩n)鎺х郴绲�(t菕ng)銆�

闆栫劧鍔涙帶鎻愪緵浜嗚ū澶氬父鐢ㄨō鍌欑殑椹�(q奴)鍕曠▼搴�锛屼絾鍦ㄥ闅涙噳鐢ㄤ腑锛岀敱浜庡伐绋嬮渶瑕佸拰瑷倷鐨勭壒娈婃€�锛屽姏鎺ф墍鎻愪緵鐨勭従(xi脿n)鏈夐﹨(q奴)鍕曠▼搴忓苟涓嶈兘婊胯冻鎵€鏈夎ō鍌欓渶瑕�锛屾鏅備究闇€鍒╃敤鍔涙帶椹�(q奴)鍕曢枊鐧�(f膩)鍖呮彁渚涚殑鎺ュ彛渚嗛枊鐧�(f膩)鏂伴﹨(q奴)鍕曠▼搴�銆傚皪浜庢櫘閫氱敤鎴朵締瑾紝椹�(q奴)鍕曢枊鐧�(f膩)鏄竴闋呭緢鑹遍洠鐨勫伐浣�锛屼絾鏄姏鎺ф彁渚涗簡澶氱ó鑸囩涓夋柟杌熶欢鐨勬帴鍙ｏ紝濡侽LE鎺т欢銆佸収(n猫i)閮ㄧ祫浠剁瓑锛岄€欏氨鐐烘垜鍊戞彁渚涗簡鍙﹀涓€鍊嬭В姹哄晱椤岀殑鎬濊矾:鍒╃敤VB銆乂C绛夐枊鐧�(f膩)宸ュ叿鑷闁嬬櫦(f膩)閫氫俊绋嬪簭閲囬泦鏁�(sh霉)鎿�(j霉)锛屽啀鍒╃敤鍔涙帶鎻愪緵鐨凮LE鎺т欢绛夋帴鍙ｅ皣閫氫俊绋嬪簭鑸囧姏鎺ч€ｆ帴锛屽鐝�(xi脿n)鏁�(sh霉)鎿�(j霉)鍏变韩銆傞€欐ǎ锛岀劇闇€闁嬬櫦(f膩)鏂伴﹨(q奴)鍕曠▼搴忎究鍙娇鍔涙帶閲囬泦鍒扮従(xi脿n)鍫磋ō鍌欑殑鏁�(sh霉)鎿�(j霉)銆傞€欑ó鍩轰簬鍔涙帶绲勬厠(t脿i)杌熶欢鐨勬柊鍨嬬洠(ji膩n)鎺ц粺浠剁殑绲愭妗嗗湒濡傚湒1鎵€绀�:

鏈枃浠ュ熀浜嶳S-485涓茶閫氫俊鐨勫垎甯冨紡鎺у埗绯荤当(t菕ng)鐐烘噳鐢ㄨ儗鏅紝灏嶉€欑ó鏂板瀷鐩�(ji膩n)鎺ц粺浠剁殑瀵︾従(xi脿n)鍋氫簡鎺㈣◣銆�

2 涓婁綅姗熶覆琛岄€氫俊鐨勫鐝�(xi脿n)

2.1 涓茶閫氫俊鎺ュ彛鎶€琛�

涓茶閫氫俊甯哥敤鐨勬帴鍙ｆ湁RS-232C鎺ュ彛鍙奟S-485鎺ュ彛銆傜敱浜嶳S-232C鎺ュ彛閫氫俊璺濋洟杓冭繎锛岀暥鍌宠几璺濋洟杓冮仩鏅�锛屽彲閲囩敤RS-485涓茶閫氫俊鎺ュ彛銆俁S-232C鎺ュ彛鍜孯S-485鎺ュ彛涔嬮枔鐨勮綁鎻涘彲閲囩敤鐩告噳鐨勮綁鎻涙ā濉�銆備竴鑸▓绠楁鍏�(n猫i)閮介厤鏈夐€氫俊閬╅厤鍣�锛屼娇瑷堢畻姗熻兘澶犺垏鍏跺畠鍏锋湁RS-232C 鎺ュ彛鐨勮▓绠楁鎴栬ō鍌欓€茶閫氫俊銆傛暩(sh霉)鎿�(j霉)閫氶亷涓插彛涓€娆″彧鍌抽€�1鍊嬪瓧绡€(ji茅)锛屼笖鏁�(sh霉)鎿�(j霉)鍜屾帶鍒朵俊铏熼兘鍦ㄥ柈鏍瑰皫绶氫笂绉诲嫊锛岄渶瑕佹噳鐢ㄩ€氫俊鍗�(xi茅)璀�銆傚父鐢ㄧ殑閫氫俊鍗�(xi茅)璀板涓�:1鍊嬭捣濮嬩綅;7鍊嬫垨8鍊嬫暩(sh霉)鎿�(j霉)浣�;濂囧伓鏁堥浣�;1鍊嬫垨2鍊嬪仠姝綅;閫氫俊閫熺巼锛堝柈浣嶇偤娉㈢壒鐜囨垨bit/s锛夈€�

妲嬫垚鍩轰簬RS-485涓茶閫氫俊鐨勫垎甯冨紡鎺у埗绯荤当(t菕ng)閫氬父閲囩敤浠ヤ笅纭欢妲嬫垚鏂规:瑷堢畻姗烺S-232C鎺ュ彛缍�(j墨ng)RS-232C涓茶閫氫俊绶氶€ｆ帴RS-232C/RS-485杞夋彌妯″锛岃綁鎻涙ā濉婄稉(j墨ng)RS-485涓茶閫氫俊绶氶€ｆ帴鍚勫€嬬従(xi脿n)鍫磋ō鍌欑殑RS-485鎺ュ彛銆傚啀閰嶄互涓婁綅姗熺洠(ji膩n)鎺ц粺浠�锛屼究鍙互寰炶▓绠楁涓茶鍙ｉ噰闆嗙従(xi脿n)鍫磋ō鍌欑殑鏁�(sh霉)鎿�(j霉)銆� 涓茶閫氫俊鍙互鍦―OS鎴朩indows鐠�(hu谩n)澧冧笅閫茶锛屽彲浠ョ敤鍖法鎴栭珮绱氳獮瑷€绶ㄥ閫氫俊绋嬪簭銆�

鏈枃浠嬬垂濡備綍鍒╃敤Windows鐨凙ctiveX鎺т欢閫茶绶ㄧ▼銆傚埄鐢ˋctiveX鎺т欢绶ㄥ涓茶閫氫俊绋嬪簭锛屽叾绶ㄧ▼姝ラ濡備笅:

锛�1锛� 瑷疆閫氫俊鍗�(xi茅)璀帮紙鍌宠几閫熺巼銆佸鍋舵牎椹椼€佸偝杓镐綅鏁�(sh霉)銆佺祩姝綅锛�;

锛�2锛� 璁€鍙栫窔璺媭鎱�(t脿i)锛屽垽鏂锋槸鍚﹀彲浠ラ€氫俊;

锛�3锛� 鐧�(f膩)閫佹垨鎺ユ敹鏁�(sh霉)鎿�(j霉);

锛�4锛� 閲嶅京绗�2鍜岀3姝ワ紝鐩磋嚦閫氫俊瀹屾垚銆�

2.2 涓茶閫氫俊绶ㄧ▼

鍦╓indows鐠�(hu谩n)澧冧笅绶ㄥ涓茶閫氫俊绋嬪簭锛屽彲浠ュ埄鐢╒B鎻愪緵鐨勮壇濂界晫闈㈣ō瑷堣兘鍔涘強寮峰ぇ鐨勪覆琛岄€氫俊鍔熻兘銆俈B 6.0鍒╃敤MSComm鎺т欢閫氶亷涓茶绔彛鐧�(f膩)閫佸拰鎺ユ敹鏁�(sh霉)鎿�(j霉)锛岀偤鎳夌敤绋嬪簭鎻愪緵涓茶閫氫俊鑳藉姏銆�

MSComm鎺т欢鏄敤浜嶹indows鐠�(hu谩n)澧冪殑32浣嶄覆琛岄€氫俊鎺т欢锛屾瘡鍊婱SComm鎺т欢灏嶆噳浜庝竴鍊嬩覆琛岀鍙�銆傛噳鐢ㄧ▼搴忎腑闇€瑕佸鍊嬩覆琛屽彛鏅傦紝瑕佷娇鐢ㄥ鍊婱SComm鎺т欢銆侻SComm鎺т欢鐨勪富瑕佸爆鎬у強瑾槑濡傞檮琛ㄦ墍绀恒€�

闄勮〃 MSComm鎺т欢甯哥敤灞€�

浣跨敤MSComm鎺т欢鍓�锛岄渶瑕佸悜宸ュ叿绠辨坊鍔犺┎鎺т欢:閬告搰“宸ョ▼”鑿滃柈涓�“閮ㄤ欢”闋�锛�“鎺т欢”闋佷腑閬镐腑“Microsoft Comm control 6.0”闋�锛岄粸鎿�“纰哄畾”锛屽畬鎴怣SComm鎺т欢鐨勬坊鍔�銆�

MSComm鎻愪緵鍏╃ó铏曠悊閫氫俊鐨勬柟寮�:浜嬩欢椹�(q奴)鍕曢€氫俊鍜屾煡瑭㈤€氫俊鏂瑰紡銆備覆鍙ｉ€氫俊涓瘡鎺ユ敹鎴栫櫦(f膩)閫佷竴鍊嬪瓧绗﹀氨鐢�(ch菐n)鐢熶竴鍊嬩簨浠讹紝浜嬩欢椹�(q奴)鍕曢€氫俊灏辨槸鍒╃敤MSComm鎺т欢OnComm浜嬩欢鎹曠嵅骞惰檿鐞嗛€氫俊浜嬩欢锛岃┎浜嬩欢鍖呮嫭浜嗚檿鐞嗕覆鍙ｉ€氫俊鐨勫悇鍊嬫秷鎭€�

浠ヤ笅鐐洪噰鐢ㄨ▓绠楁涓插彛1鐧�(f膩)閫佹帴鏀舵暩(sh霉)鎿�(j霉)鐨勭▼搴忕ず渚�銆�

鐧�(f膩)閫佹暩(sh霉)鎿�(j霉):

Private Sub DataSend 锛� 锛�

Dim Data锛�5锛� As Byte MSComm1. Commport = 1 ‘瑷疆MSComm1灏嶆噳Comm1

MSComm1. Settings =”96000锛孨锛�8锛�1” ‘ 9600bit/s锛岀劇濂囧伓鏁堥锛�8浣嶆暩(sh霉)锛�1浣嶇祩姝綅

If MSComm1. PortOpen =False Then 銆€ ‘鎵撻枊绔彛

MSComm1. PortOpen = True End If Data 锛�0锛� = CByte锛圱eAddr.Text锛� ‘瑷倷鍦板潃

Data e锛�1锛� = &H4 ‘鍔熻兘铏� 璁€鍙栭浕鍔涘弮鏁�(sh霉)

Data e锛�2锛� = &H0 ‘鏁�(sh霉)鎿�(j霉)璧峰鍦板潃

Data 锛�3锛� = &H0 Data 锛�4锛� = &H0 ‘鏁�(sh霉)鎿�(j霉)闀峰害

Data e锛�5锛� = &H15 MSComm1. OutBufferCount = 0 銆€ ‘娓呴櫎鐧�(f膩)閫佺珐娌栧崁(q奴)

MSComm1. Output = Data 銆€ ‘鐧�(f膩)閫佹暩(sh霉)鎿�(j霉)

MSComm1. PortOpen = False 銆€ ‘闂滈枆绔彛

End Sub

鎺ユ敹鏁�(sh霉)鎿�(j霉):

Private Sub MSComm1_OnComm锛堬級 Dim rec锛堬級 As Byte Select Case MSComm1.CommEvent Case comEvReceive ‘涓插彛鎺ユ敹浜嬩欢

rec = MSComm1.Input ‘璁€杓稿叆绶╂矕鍗€(q奴)

End Select End Sub

3 鍔涙帶瀵︽檪鏁�(sh霉)鎿�(j霉)搴垏DbCom鎺т欢

鍔涙帶鐨勫鏅傛暩(sh霉)鎿�(j霉)搴槸涓€鍊嬮枊鏀剧殑鏁�(sh霉)鎿�(j霉)骞宠嚭銆傜敤鎴跺彲浠ュ埄鐢ㄦ暩(sh霉)鎿�(j霉)搴彁渚涚殑鎺ュ彛锛屽湪瑭插钩鑷轰笂閫茶浜屾闁嬬櫦(f膩)锛屽壍(chu脿ng)寤鸿嚜宸辩殑鎳夌敤绋嬪簭銆傚鏅傛暩(sh霉)鎿�(j霉)搴彁渚涚殑鎺т欢DbCom灏辨槸涓€绋柟渚裤€侀珮鏁堢殑鎺ュ彛鏂瑰紡銆�

DbCom鏄竴鍊嬫婧朞LE鎺т欢锛岀敤鎴跺湪鍚勭ó甯哥敤闁嬬櫦(f膩)鐠�(hu谩n)澧冿紙濡侰++ Builder銆乂C++銆乂B銆丏elphi绛夛級涓嬪彲浠ヨ(di脿o)鐢―bCom渚嗚í鍟忔暩(sh霉)鎿�(j霉)搴腑鐨勬暩(sh霉)鎿�(j霉)銆傞€氶亷DbCom锛屼笂浣嶆閫氫俊绋嬪簭涓嶄絾鍙互璁€鍙栧姏鎺ф暩(sh霉)鎿�(j霉)搴暩(sh霉)鎿�(j霉)锛岃€屼笖鍙互瑷疆鍔涙帶鏁�(sh霉)鎿�(j霉)搴暩(sh霉)鎿�(j霉)銆傚湪瀹夎鍔涙帶鏅�锛屽畨瑁濈▼搴忚嚜鍕曞畬鎴怐bCom鐨勫畨瑁濊垏娉ㄥ唺銆侱bCom鏄竴鍊嬪湪绋嬬殑OLE鎺т欢锛屽湪鎳夌敤绋嬪簭涓娇鐢ㄦ檪锛屽繀闋堝悓鏅傚暉鍕曟暩(sh霉)鎿�(j霉)搴獶B銆�

涓嬮潰绲﹀嚭閫氶亷DbCom鎺т欢瑷晱鍔涙帶鏁�(sh霉)鎿�(j霉)搴殑鍏╁€嬪父鐢ㄦ柟娉�銆�

锛�1锛� 鏂规硶1:GetRealData銆傜敤浜庤畝鍙栧鍊嬫暩(sh霉)鍊煎瀷鏁�(sh霉)鎿�(j霉)

瑾炴硶褰㈠紡:long GetRealData锛坙ong count, LPCTSTR strNames, double锛� data锛�銆�

鍙冩暩(sh霉)瑾槑:count:鏁�(sh霉)鎿�(j霉)鍊嬫暩(sh霉)銆�

strNames:鏁�(sh霉)鎿�(j霉)鍚嶅瓧绗︿覆锛屽瓧绗﹀瀷璁婇噺锛屾暩(sh霉)鎿�(j霉)鍚嶉枔浠�‘锛�‘铏熷垎闅�銆�

data:闆欑簿搴︽诞榛烇紙Double锛夊瀷鎸囬嚌锛岃繑鍥炵殑鏁�(sh霉)鎿�(j霉)鏁�(sh霉)绲�銆�

杩斿洖鍊�:闀锋暣鍨�銆�

0:鎴愬姛;锛�1:澶辨晽銆�

锛�2锛� 鏂规硶2: SetStringData銆傛牴鎿�(j霉)鏁�(sh霉)鎿�(j霉)鍚嶇ū鍜屾暩(sh霉)鎿�(j霉)鍊艰ō缃暩(sh霉)鎿�(j霉)搴�

瑾炴硶褰㈠紡:long SetStringData锛坙ong nCount, VARIANT锛� pvTagPars, VARIANT锛� pvData锛�銆�

鍙冩暩(sh霉)瑾槑:nCount:鏁�(sh霉)鎿�(j霉)鍊嬫暩(sh霉)銆�

pvTagPars:VARIANT鏁�(sh霉)绲�锛宯Count鍊嬫暩(sh霉)鎿�(j霉)鍚嶇ū銆�

pvData:VARIANT鏁�(sh霉)绲�锛宯Count鍊嬫暩(sh霉)鎿�(j霉)鍊笺€�

杩斿洖鍊�:鎴愬姛鐐�0锛屽惁鍓囩偤闈�0銆�

浠ヤ笅绋嬪簭鐐轰笂浣嶆閫氫俊绋嬪簭璁€瀵姏鎺у鏅傛暩(sh霉)鎿�(j霉)搴殑鍏╃ó甯哥敤鏂规硶鐨勭ず渚嬨€�

//璁€鍙栨暩(sh霉)鎿�(j霉)搴�

Private Sub GetParameters锛堬級 ‘璁€鍙栭浕搴﹀€煎拰鏈夊姛鍔熺巼鍊�

Dim count As Integer, result As Integer Dim rdata锛�1锛� As Double Dim pars As String count=2 pars=”dbkWh1.PV锛宒bkW1.PV ” ‘瑾�(di脿o)鐢―bCom鐨勬柟娉�

result = DbCom1. GetRealData 锛坈ount, pars, rdata锛� ‘璁€鍙栨暩(sh霉)鎿�(j霉)

If result=-1 Then MsgBox锛�"璜嬪厛鍟熷嫊鍔涙帶瀵︽檪鏁�(sh霉)鎿�(j霉)搴�!"锛� Else kWh=rdata锛�0锛� ‘闆诲害鍊�

kW=rdata锛�1锛� ‘鏈夊姛鍔熺巼鍊�

End If End Sub

//瑷疆鏁�(sh霉)鎿�(j霉)搴�

Private Sub SetParameters锛堬級 ‘灏囬浕搴﹀€煎拰鏈夊姛鍔熺巼鍊煎鍏ュ姏鎺ф暩(sh霉)鎿�(j霉)搴�

Dim count As Integer, result As Integer

Dim 锛� pTagPars锛�1锛� As VARIANT, 锛� pVals锛�1锛�

As VARIANT count=2 pTagPars锛�0锛�=dbkWh1.PV ‘鏁�(sh霉)鎿�(j霉)鍚�

pTagPars锛�1锛�=dbkW1.PV pVals锛�0锛�=kW·h 鏁�(sh霉)鎿�(j霉)鍊�

pVals锛�1锛�=kW 瑾�(di脿o)鐢―Bcom鐨勬柟娉�

result=DbCom1.SetStringData锛坈ount, pTagPars, pVals锛� ‘瑷疆鏁�(sh霉)鎿�(j霉)

End Sub

4 绲愭潫瑾�

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