1 寮曡█
鐩$绲勬厠(t脿i)杌熶欢宸茬稉(j墨ng)鍏峰倷浜嗗緢寮�(qi谩ng)鐨勫姛鑳�锛屼絾鏄湪寰堝鍫�(ch菐ng)鍚堥兘鏈夌洿鎺ヤ娇鐢ㄧ涓夋柟浠g⒓鐨勮姹�銆備緥濡傜敤鎴堕渶瑕佸皣绲勬厠(t脿i)杌熶欢閲囬泦鐨勫(sh铆)鏅�(sh铆)鏁�(sh霉)鎿�(j霉)鍌抽€佸埌鑷繁闁嬬櫦(f膩)鐨刅B绋嬪簭涓仛鏇村京(f霉)闆滅殑鏁�(sh霉)鎿�(j霉)鍒嗘瀽鎴栬€呮槸灏囦笘绱€(j矛)鏄熼噰闆嗙殑鏁�(sh霉)鎿�(j霉)鍋氱壒瀹氱殑铏曠悊涔嬪悗鍐嶅偝閫佺郸涓栫磤(j矛)鏄�锛岄€欓兘闇€瑕佹湁涓€绋暩(sh霉)鎿�(j霉)浜ゆ彌姗�(j墨)鍒�銆�
鐣�(d膩ng)鐒跺(sh铆)鐝�(xi脿n)閫欑ó浜ゆ彌姗�(j墨)鍒舵湁寰堝鍌崇当(t菕ng)鐨勬柟娉�锛屽浣跨敤鏂囦欢鍏变韩鏁�(sh霉)鎿�(j霉)銆佷娇鐢―DE鏁�(sh霉)鎿�(j霉)浜ゆ彌姗�(j墨)鍒躲€傚偝绲�(t菕ng)鐨勬柟娉曢洊鐒惰兘澶犻仈(d谩)鍒版暩(sh霉)鎿�(j霉)浜ゆ彌鐨勭洰鐨�锛屼絾鍏朵娇鐢ㄦ柟娉曡純鐐虹叐鐟�锛屼娇鐢ㄦ枃浠跺叡浜暩(sh霉)鎿�(j霉)灏遍渶瑕佸湪绲勬厠(t脿i)杌熶欢鍜屽閮ㄧ▼搴忓収(n猫i)閮ㄩ€�(j矛n)琛屾枃浠惰畝鍙栨搷浣�锛岄€欐ǎ涓嶄絾楹荤叐鑰屼笖铏曠悊閫熷害涔熺浉灏�(du矛)杓冩參锛屽湪瑕佹眰瀵�(sh铆)鏅�(sh铆)鎬ц純濂界殑宸ョ▼涓氨椤緱鍔涗笉寰炲績銆傜偤浜嗚畵绗笁鏂圭▼搴忔柟渚垮湴璁€瀵笘绱€(j矛)鏄熸暩(sh霉)鎿�(j霉)锛屼笘绱€(j矛)鏄熸彁渚涗簡鍩轰簬ActiveX鎶€琛�(sh霉)鐨凮CX鎺т欢锛屾鎺т欢鍙互鍦ㄥぇ澶氱殑闁嬬櫦(f膩)鐠�(hu谩n)澧冧腑浣跨敤锛堝VC++6.0銆乂B6.0锛�锛屽畠灏辨槸DBComm銆�
2 DBComm 涓栫磤(j矛)鏄熸暩(sh霉)鎿�(j霉)浜ゆ彌妯�(bi膩o)婧�(zh菙n)鎺т欢
涓栫磤(j矛)鏄熸彁渚涙(bi膩o)婧�(zh菙n)鎺т欢 DBComm.ocx 鑸囧閮ㄧ涓夋柟绋嬪簭閫�(j矛n)琛屾暩(sh霉)鎿�(j霉)浜ゆ彌锛屾暩(sh霉)鎿�(j霉)浜ゆ彌鍏�(n猫i)瀹瑰寘鎷細
2.1 瀵�(sh铆)鏅�(sh铆)鏁�(sh霉)鎿�(j霉)浜ゆ彌
澶栭儴绋嬪簭鍙互璁€鍙栦笘绱€(j矛)鏄熺殑绯荤当(t菕ng)璁婇噺锛堝寘鎷郴绲�(t菕ng)闆㈡暎銆佺郴绲�(t菕ng)鏁存暩(sh霉)銆佺郴绲�(t菕ng)瀵�(sh铆)鏁�(sh霉)鍜岀郴绲�(t菕ng)淇℃伅锛夈€佸収(n猫i)瀛樿畩閲忥紙鍖呮嫭鍏�(n猫i)瀛橀洟鏁�銆佸収(n猫i)瀛樻暣鏁�(sh霉)銆佸収(n猫i)瀛樺(sh铆)鏁�(sh霉)鍜屽収(n猫i)瀛樹俊鎭級鍜孖O璁婇噺锛堝寘鎷琁O闆㈡暎銆両O鏁存暩(sh霉)銆両O瀵�(sh铆)鏁�(sh霉)鍜孖O淇℃伅锛�锛涢倓鍙互鏀瑰涓栫磤(j矛)鏄熺殑鍏�(n猫i)瀛樿畩閲忓拰IO璁婇噺銆�
鐩搁棞(gu膩n)鍑芥暩(sh霉)锛�
DiscValue=tagReadDisc锛圱agname锛� 璁€鍙栦笘绱€(j矛)鏄熼洟鏁h畩閲忕殑鐣�(d膩ng)鍓嶅€�
IntValue=tagReadInt锛圱agname锛� 璁€鍙栦笘绱€(j矛)鏄熸暣鏁�(sh霉)璁婇噺鐨勭暥(d膩ng)鍓嶅€�
FloatValue=tagReadFloat锛圱agname锛� 璁€鍙栦笘绱€(j矛)鏄熷(sh铆)鏁�(sh霉)璁婇噺鐨勭暥(d膩ng)鍓嶅€�
MessValue=tagReadMess锛圱agname锛� 璁€鍙栦笘绱€(j矛)鏄熶俊鎭畩閲忕殑鐣�(d膩ng)鍓嶅€�
tagWriteDisc锛圱agname, DiscValue锛� 鏀瑰涓栫磤(j矛)鏄熼洟鏁h畩閲忕殑鐣�(d膩ng)鍓嶅€�
tagWriteInt锛圱agname, IntValue锛� 鏀瑰涓栫磤(j矛)鏄熸暣鏁�(sh霉)璁婇噺鐨勭暥(d膩ng)鍓嶅€�
tagWriteFloat锛圱agname, FloatValue锛� 鏀瑰涓栫磤(j矛)鏄熷(sh铆)鏁�(sh霉)璁婇噺鐨勭暥(d膩ng)鍓嶅€�
tagWriteMess锛圱agname, String锛� 鏀瑰涓栫磤(j矛)鏄熶俊鎭畩閲忕殑鐣�(d膩ng)鍓嶅€�
InitComm锛堬級 DBComm鍒濆鍖栧嚱鏁�(sh霉)
2.2 姝峰彶鏁�(sh霉)鎿�(j霉)璁€鍙�
澶栭儴绋嬪簭鍙互鎸夋檪(sh铆)闁撳拰璁婇噺鍚嶇ū璁€鍙栦笘绱€(j矛)鏄熺殑姝峰彶鏁�(sh霉)鎿�(j霉)銆�
TimeUINT=ConvertTime锛圷ear, Month, Day, Hour, Minute, Second锛�
鏅�(sh铆)闁撹綁(zhu菐n)鎻涘嚱鏁�(sh霉)
DiscResult=GetHistoryData 锛圱agname,StartTime,EndTime,DataArray,SizeOfArray, Interval锛�
鏍规摎(j霉)鎸囧畾鐨勮捣姝㈡棩鏈熸檪(sh铆)闁撳拰涓栫磤(j矛)鏄熺殑璁婇噺鍚嶇ū璁€鍙栦笘绱€(j矛)鏄熺殑姝峰彶鏁�(sh霉)鎿�(j霉)銆�
3 DBComm鍦╒B6.0涓殑鎳�(y墨ng)鐢�
VB宸ョ▼鍜屼笘绱€(j矛)鏄熷伐绋嬫暩(sh霉)鎿�(j霉)浜ゆ彌绀烘剰鍦栵細
涓嬮潰鏄竴鍊�(g猫)鎳�(y墨ng)鐢╒B绋嬪簭鍦ㄥ閮ㄨ▓(j矛)绠桺ID杓稿嚭鍔熺巼鐨勪竴鍊�(g猫)绨�(ji菐n)鍠(sh铆)椹�(y脿n)锛�
闇€瑕佺‖浠讹細涓夎彵FX2N绯诲垪PLC銆丗X2N-4AD-TC銆佸姞鐔卞櫒銆丼鍒嗗害鐔遍浕鍋讹紙TC锛�銆佸浐鎱�(t脿i)绻奸浕鍣紙SSR锛�銆�
闇€瑕佽粺浠讹細涓栫磤(j矛)鏄熺祫鎱�(t脿i)杌熶欢7.22銆乂B6.0銆�
濡備笅鍦栨墍绀虹偤闆诲櫒鍘熺悊鍦栵細
濡備笂鍦栨墍绀烘槸涓€鍊�(g猫)鍔犵啽鎺у埗绯荤当(t菕ng)銆侾LC涓绘ā濉婅矤(f霉)璨�(z茅)鎺у埗绻奸浕鍣ㄧ殑閫氭柗锛圥ID杓稿嚭锛�锛孴C妯″璨�(f霉)璨�(z茅)婧害閲囬泦锛圥ID杓稿叆锛�锛屼笂浣嶆(j墨)涓栫磤(j矛)鏄熼儴鍒嗚矤(f霉)璨�(z茅)婧害瑷�(sh猫)瀹�銆侀噰闆嗕笅浣嶆(j墨)淇¤櫉(h脿o)銆佹洸绶氶’绀�銆佹暩(sh霉)鎿�(j霉)瑷橀寗銆佹暩(sh霉)鎿�(j霉)妾㈢储绛夊姛鑳斤紝涓婁綅姗�(j墨)VB閮ㄥ垎璨�(f霉)璨�(z茅)寰炰笘绱€(j矛)鏄熺嵅鍙栬ō(sh猫)瀹氭韩搴V銆佹脯(c猫)閲忔韩搴V銆佽▓(j矛)绠桺ID杓稿嚭锛堝浐鎱�(t脿i)绻奸浕鍣ㄧ殑閫氭柗鏅�(sh铆)闁擄級銆�
3.1 涓栫磤(j矛)鏄熺洠(ji膩n)鎺х▼搴�
灏囨帶鍒堕浕璺厤缃ソ锛屽皣涓婁綅姗�(j墨)閫f帴鍒癙LC銆傞枊鐧�(f膩)涓栫磤(j矛)鏄熺洠(ji膩n)鎺х▼搴忥紝閰嶇疆鐩告噳(y墨ng)鐨勪覆鍙i﹨(q奴)鍕�(d貌ng)銆佷覆鍙e弮鏁�(sh霉)锛屽壍(chu脿ng)寤虹殑鐩�(ji膩n)鎺х暙闈㈠涓嬶細

3.2 VB澶栨帥绋嬪簭闁嬬櫦(f膩)
锛� 鍓�(chu脿ng)寤轰竴鍊�(g猫)VB妯�(bi膩o)婧�(zh菙n)宸ョ▼銆�
锛� Projiec鈥擟omponents鈥擠BComm ActiveX Control Moudle銆�
锛� 鍒濊│鍖朌BComm
dbcomm_pid.InitComm
锛� 寰炰笘绱€(j矛)鏄熺祫鎱�(t脿i)杌熶欢璁€鍙栨韩搴﹁ō(sh猫)瀹氬拰瀵�(sh铆)闅涘€�
SV= dbcomm_pid.tagReadFloat 锛�"sv"锛�
PV= dbcomm_pid.tagReadFloat 锛�"pv"锛�
锛� y0杓稿嚭鏅�(sh铆)闁撹▓(j矛)绠楀嚱鏁�(sh霉)锛堟牴鎿�(j霉)P=0.5锛孖=0.5锛孌=0锛�
Private Function PIDCalc锛坧p As PID, ByVal NextPoint As Double锛� As Double
Dim dError As Double
Dim Error As Double
Error = pp.SetPoint - NextPoint
pp.SumError = pp.SumError + Error
dError = pp.LastError - pp.PrevError
pp.PrevError = pp.LastError
pp.LastError = Error
PIDCalc = pp.P 锛� Error + pp.i 锛� pp.SumError + pp.D 锛� dError
End Function
3.3 鍔犵啽杓稿嚭鎺у埗
鏍规摎(j霉)2涓▓(j矛)绠楃殑鍔犵啽鏅�(sh铆)闁擄紙鏅�(sh铆)闁撶櫨鍒嗘瘮锛寈%锛�1s锛�锛屽皪(du矛)PLC鐨刌0 閫�(j矛n)琛岃几鍑烘帶鍒�銆�
Y0 ON/OFF锛歵agWriteDisc 锛�"y0",1锛�/ tagWriteDisc 锛�"y0",0锛夛紝Y0鑴堝瑾�(di脿o)鍒跺涓嬪湒鎵€绀猴細

3.4瀵�(sh铆)椹�(y脿n)绲�(ji茅)鏋�
鏈伐绋嬪埄鐢ㄤ笘绱€(j矛)鏄熺祫鎱�(t脿i)杌熶欢閲囬泦婧害瀵�(sh铆)闅涘€硷紙寰濸LC锛�锛屽湪绲勬厠(t脿i)杌熶欢涓ō(sh猫)瀹氭韩搴︾殑鐩(bi膩o)鍊�锛屽湪VB6.0绋嬪簭涓▓(j矛)绠楄几鍑哄姛鐜囩殑鐧惧垎姣�锛孷B鍐嶅皣鍔犵啽鏅�(sh铆)闁擄紙Y0鏅�(sh铆)闁擄級鍌抽仦绲︾祫鎱�(t脿i)杌熶欢锛岀祫鎱�(t脿i)杌熶欢鍐嶅偝绲LC锛孭LC鎺у埗鍔犵啽銆�
鐢变簬閲囩敤浜嗙矖绯欑殑PID锛屾墍浠ユ帶婧簿搴﹀湪姝h矤(f霉)1搴︿互鍏�(n猫i)锛堢簿搴︿笉鍦ㄦ湰鏂囩爺绌惰寖鍦嶅収(n猫i)锛�锛屼絾鏄疺B閫氶亷DBComm鍜屼笘绱€(j矛)鏄熺祫鎱�(t脿i)杌熶欢瀵�(sh铆)鏅�(sh铆)浜ゆ彌鏁�(sh霉)鎿�(j霉)鍔熻兘鑹ソ銆�
4 绺界祼(ji茅)
缍滀笂鎵€杩帮紝涓栫磤(j矛)鏄熸墍鎻愪緵鐨凞BComm 鎺т欢浣跨敤鏂逛究锛岀偤绗笁鏂圭▼搴忔彁渚涗簡瀹屽倷鐨勬暩(sh霉)鎿�(j霉)浜ゆ彌鎺ュ彛銆傚彟澶朌BComm 鎺т欢閭勫彲浠ヨí鍟忎笘绱€(j矛)鏄熺祫鎱�(t脿i)杌熶欢鐨勬鍙叉暩(sh霉)鎿�(j霉)搴�锛屾湰绡囨毇涓嶈┏杩�銆�