鏅傞枔锛�2009-04-03 16:08:19渚嗘簮锛歳onggang
鎽� 瑕侊細閲濆皪澶氶浕姗熺洠(ji膩n)鎺х郴绲�(t菕ng)淇℃伅閲忓ぇ銆佸竷绶氬京(f霉)闆�銆佽(di脿o)瑭︿笉鏂逛究绛夌壒榛�锛屾湰鏂囦粙绱逛簡涓€绋熀浜�鐝�(xi脿n)鍫寸附绶�鎶€琛�(sh霉)鍜岃櫅鎿剙鍣ㄦ妧琛�(sh霉)鐨勭洠(ji膩n)鎺х郴绲�(t菕ng)鐨勮ō(sh猫)瑷堟柟妗�锛屼娇鐢∕odbus鍗�(xi茅)璀拌垏CAN绺界窔鍗�(xi茅)璀帮紝閫氶亷涓插彛绺界窔鑸嘋AN绺界窔鐨勮綁(zhu菐n)鎻�锛屽皣鐝�(xi脿n)鍫寸附绶氭妧琛�(sh霉)鍜岃櫅鎿剙鍣ㄦ湁姗熺祼(ji茅)鍚堣捣渚�锛屽鐝�(xi脿n)浜嗙祼(ji茅)妲�(g貌u)绨″柈銆佸鏅傛€ч珮銆佹摯灞曟€у挤鐨勫闆绘钃勯浕姹犺粖杓涙帶鍒剁郴绲�(t菕ng)銆傚闅涗娇鐢ㄦ儏娉佽〃鏄庢湰绯荤当(t菕ng)锛岄仈鍒颁簡瑷�(sh猫)瑷堣姹�銆�
闂�(gu膩n)閸佃锛�CAN绺界窔;铏涙摤鍎€鍣�;Modbus鍗�(xi茅)璀�;涓插彛
Abstract: To resolve problems of traditional multi-motor monitor/control system, such as excessive information exchange, complex wiring, and inconvenient installation and debugging, this paper provide a design based on field bus and virtual instrument technology. With the help of Modbus protocol, CAN 锛圕ontrol Area Networks锛� bus, and serial port, combines field bus technology and virtual instrument technology, realizes the convenience, real time, expandability, multi-motor car control system. It goes well in practice and has met the requirements.
Keywords: CAN; Virtual Instrument; Modbus; Serial Port
1 寮曡█
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2 绺介珨鏂规鐨勬彁鍑�
鍦�1 绯荤当(t菕ng)鐨勭附妗嗗湒
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闆绘鎺у埗鍣�瀵︾従(xi脿n)閲囬泦闆绘鐨勯浕妯為浕娴�銆侀浕姗熻綁(zhu菐n)閫燂紝鍒ゆ柗宸ユ硜锛屾帴鏀惰ō(sh猫)瀹氳綁(zhu菐n)閫熺瓑鍔熻兘;闆绘睜绠$悊鎺у埗鍣ㄥ鐝�(xi脿n)閲囬泦闆绘睜婧害銆侀浕澹�銆侀浕娴�銆佹帴鏀舵帶鍒舵寚浠ょ瓑鍔熻兘銆備笂浣嶆鐢ㄥ湒褰㈠寲绶ㄧ▼瑾炶█LabVIEW绶ㄥ锛岀▼搴忎互铏涙摤鍎€琛ㄧ殑褰㈠紡瀵︽檪椤ず闆绘杞�(zhu菐n)閫�銆佽粖閫�銆侀浕姹犵殑鑽烽浕鐙€鎱�(t脿i)绛夊€�锛屽苟閫氶亷鎿嶄綔涓婁綅姗熺櫦(f膩)鎺у埗鎸囦护锛屾帶鍒堕浕姗熼浕姹犵殑鐙€鎱�(t脿i)銆侰AN绡€(ji茅)榛炴槸鏈郴绲�(t菕ng)鐨勬牳蹇冮儴鍒�锛岄€氶亷瀹冩妸鍚勫€嬪垎鏁g殑閮ㄥ垎閫f帴鎴愮当(t菕ng)涓€鐨勭郴绲�(t菕ng)銆傛瘡鍊婥AN绡€(ji茅)榛炰娇鐢ㄧ当(t菕ng)涓€鐨勭‖浠跺钩鑷�锛屽鐝�(xi脿n)涓嶅悓鐨勫伐浣滄柟寮忥紝姣忓€嬬瘈(ji茅)榛為兘鍙互鐛ㄧ珛鐨勯伕鎿囨墍閫f帴瑷�(sh猫)鍌欏強宸ヤ綔鏂瑰紡銆�
3 CAN绡€(ji茅)榛炵‖浠惰ō(sh猫)瑷�
灏嶄簬杌婄敤闆绘帶鍠厓渚嗚锛岀偤浜嗙啊鍖栬ō(sh猫)瑷�锛屾彁楂樺彲闈犳€э紝閲囩敤闆嗘垚鐨勮嚜甯禖AN绺界窔鎺у埗鍣ㄧ殑寰檿鐞嗗櫒銆傝嚜甯禖AN绺界窔鎺у埗鍣ㄧ殑寰檿鐞嗗櫒锛屼笉鍗犵敤铏曠悊鍣ㄧ殑绔彛璩囨簮锛屽彲浠ュぇ澶х啊鍖栨帴鍙i浕璺殑瑷�(sh猫)瑷�锛屾笡灏戠▼搴忕殑寰�(f霉)闆滅▼搴︼紝鎻愰珮绯荤当(t菕ng)鐨勭┅(w臎n)瀹氭€�锛屾湰绯荤当(t菕ng)閬哥敤Philips鐨勯珮鎬ц兘寰帶鍒跺櫒P87C591銆傚湒2鐐虹瘈(ji茅)榛炵‖浠惰ō(sh猫)瑷堢殑鍔熻兘妗嗗湒锛岄嚌灏嶇瘈(ji茅)榛炲姛鑳借姹傝垏鎵€閬告搰寰檿鐞嗗櫒璩囨簮锛屾晿杩板涓嬶細
锛�1锛夊叏闆欏伐澧炲挤鍨婾ART锛屽付鏈夊彲绶ㄧ▼娉㈢壒鐜囩櫦(f膩)鐢熷櫒锛屾寜瑕�(gu墨)瀹氱殑Modbus鍗�(xi茅)璀颁締瀹屾垚RS232/RS485閫氳▕;鍦ㄧ‖浠跺鐝�(xi脿n)涓�锛孯S485绺界窔绔娇鐢ㄧ殑鏄敹鐧�(f膩)鍣∕AX481;RS232绺界窔绔娇鐢ㄧ殑鏄敹鐧�(f膩)鍣∕AX232銆傜偤浜嗗鐝�(xi脿n)涓插彛閫氶亾鐨勫垏鎻�锛屽湪瑭茬郴绲�(t菕ng)涓皥闁€瑷�(sh猫)缃簡璺崇窔妲�锛岀敤浜庢墜鍕曢伕鎿�锛岄€氶亷瑷�(sh猫)瀹氫笉鍚岀殑杓稿叆淇¤櫉鍊硷紝閬告搰鐩告噳(y墨ng)鐨勬暩(sh霉)鎿�(j霉)閫氶亾銆�
鍦�2 绡€(ji茅)榛炵‖浠跺姛鑳芥鍦�
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锛�3锛夎嚜甯剁殑6璺ā鎿几鍏ョ殑10浣岮DC锛屽彲瑷�(sh猫)缃偤8浣嶅揩閫烝DC锛屽彲浠ュ熀鏈豢瓒虫湰绯荤当(t菕ng)灏嶉噰闆嗙殑绮惧害瑕佹眰锛屽畬鎴愬皪闆绘銆侀浕姹犵媭鎱�(t脿i)鐨勬脯閲忎换鍕�(w霉);灏嶆ā鎿俊铏熺殑閲囬泦锛岄噰闆嗛浕璺皣鍚勫€嬫脯瑭﹂粸鍌虫劅鍣ㄩ浕淇¤櫉閫茶瑾�(di脿o)鐞嗭紙婵炬尝銆佹斁澶�銆侀浕閲忚綁(zhu菐n)鎻涳級鍚庯紝鎺ュ叆寰檿鐞嗗櫒鐨凙DC鎺ュ彛銆傜偤鎶戝埗鍏辨ā骞叉摼锛屾斁澶у櫒鍩烘湰閲囩敤宸嫊杓稿叆銆�
锛�4锛�2鍊�8浣嶅垎杈ㄧ巼鐨勮剤瀵(di脿o)鍒惰几鍑猴紙PWM锛夌偤闆绘鎺у埗鍣ㄦ彁渚涙帶鍒朵俊铏�锛屽畬鎴愬皪闆绘閫熺巼鐨勮(di脿o)绡€(ji茅)銆傝垏51绯诲垪鍏煎鐨勫彲绶ㄧ▼I/O鍙o紙婧栭洐鍚�銆佹帹鎸姐€侀珮闃诲拰闁嬫紡锛�锛岀偤鏁�(sh霉)瀛椾俊铏熸彁渚涢€氶亾锛岃矤璨枊闂�(gu膩n)閲忕殑璁€鍙栬垏瑷�(sh猫)缃�銆�
锛�5锛�16K瀛楃瘈(ji茅)鍏�(n猫i)閮ㄧ▼搴忓瓨鍎插櫒锛屽彲浠ユ豢瓒虫湰绯荤当(t菕ng)鐨勭▼搴忕┖闁撱€傚付瀛楃瘈(ji茅)鏂瑰紡涓诲拰寰炲姛鑳界殑I2C绺界窔涓茶I/O鍙�锛屽彲鏂逛究鐨勫拰澶栧湇瀛樺劜鑺墖鎺ュ彛锛屽鐝�(xi脿n)鏁�(sh霉)鎿�(j霉)鐨勫瓨鍎插姛鑳�銆�
纭欢閮ㄥ垎闄や簡浠ヤ笂涓昏閮ㄥ垎澶栵紝閭勬湁闆绘簮闆昏矾銆佹摯灞曞瓨鍎插櫒銆佷互鍙婄湅闁€鐙楅浕璺�銆傞浕婧愰浕璺彁渚涙墍闇€闅旈洟闆绘簮锛岀敤浜庢彁楂樼瘈(ji茅)榛炵殑绌�(w臎n)瀹氭€у拰瀹夊叏鎬�;E2PROM閫氶亷I2C涓茶绺界窔瀛樻斁绯荤当(t菕ng)鐨勬煇浜涘弮鏁�(sh霉);鐪嬮杸鐙楅浕璺富瑕佹槸淇濊瓑绯荤当(t菕ng)閬嬭鐨勭┅(w臎n)瀹氭€�锛屽湪涓婇浕銆佹帀闆讳互鍙婅鎴掓儏娉佷笅寰�(f霉)浣嶈几鍑恒€�
4 绯荤当(t菕ng)杌熶欢瑷�(sh猫)瑷�
4.1涓婁綅姗熻粺浠剁殑瑷�(sh猫)瑷�
铏涙摤鍎€鍣ㄨ粺浠朵富瑕佸垎鐐虹敤鎴舵噳(y墨ng)鐢ㄥ堡銆佽櫅鎿ō(sh猫)鍌欓﹨(q奴)鍕曠▼搴�?q奴)铔瑰潩甯冾挍O(sh猫)鍌欓﹨(q奴)鍕曞堡涓夊€嬪堡娆�銆傜敤鎴舵噳(y墨ng)鐢ㄥ堡鍜岀敤鎴堕渶姹傜穵瀵嗙浉闂�(gu膩n)锛屽畠涓昏瀹屾垚鍏╁€嬩换鍕�(w霉)锛氫竴銆佺偤鐢ㄦ埗鎻愪緵鍚勯娓│鍎€鍣ㄧ殑铏涙摤鐣岄潰锛岄€茶浜烘浜や簰锛屼篃灏辨槸閫氬父鎵€瑾殑鐣岄潰瑷�(sh猫)瑷�锛岄€氶亷瀹冧締椤ず鏀堕泦瀵︽脯鏁�(sh霉)鎿�(j霉)鍜岀媭鎱�(t脿i)淇℃伅锛屾彁渚涚敤鎴惰垏绯荤当(t菕ng)鐨勪氦浜掑钩鑷�;浜�銆佸畬鎴愬皪鏁�(sh霉)鎿�(j霉)鐨勫垎椤�銆佸垽鏂�銆佽檿鐞嗭紝涓插彛閫氫俊锛屾暩(sh霉)鎿�(j霉)鐨勫瓨鍙栨搷浣滅瓑浠诲嫏(w霉)銆�
鍦�3 涓婁綅姗熺▼搴忕ず鎰忓湒
鍏朵腑涓插彛鐨勮ō(sh猫)鍌欓﹨(q奴)鍕曟槸鐢盫ISA瀹屾垚鐨�锛孡abVIEW鎵€鎻愪緵鐨刅ISA鏄櫅鎿剙鍣ㄨ粺浠剁祼(ji茅)妲�(g貌u)楂旂郴锛圴irtual Instrument Software Architecture锛夌啊绋便€俈ISA鏄湪鎵€鏈塋abVIEW宸ヤ綔骞宠嚭涓婃帶鍒禫XI銆丟PIB銆丷S232浠ュ強鍏朵粬绋鍎€鍣ㄧ殑鎺ュ彛绋嬪簭搴�銆俈ISA鏄敱绲勬垚VXI plug&play绯荤当(t菕ng)鑱�(li谩n)鐩熺殑35瀹舵渶澶х殑鍎€鍣ㄥ剙琛ㄥ叕鍙告墍绲�(t菕ng)涓€閲囩敤鐨勬婧�銆傞噰鐢ㄤ簡VISA妯欐簴锛屽氨鍙互涓嶈€冩叜鏅傞枔鍙婂剙鍣� I/O閬告搰闋�锛岄﹨(q奴)鍕曡粺浠跺彲浠ョ浉浜掑吋瀹逛娇鐢ㄣ€�
4.2绡€(ji茅)榛炵▼搴忚ō(sh猫)瑷�
鍦�4 绡€(ji茅)榛炰富绋嬪簭妗嗗湒
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1锛夌附绶氳綁(zhu菐n)鎻涚殑瀵︾従(xi脿n)
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鍦�5 Modbus11浣嶅牨鏂囪綁(zhu菐n)鎻涚偤CAN妯欐簴骞€
鎿�(j霉)锛孋AN浣滅偤涓插彛绺界窔涔熷繀闋堝垎鏅傜殑閫氱煡骞舵帴鏀舵瘡鍊嬫寚瀹氳姹傝繑鍥炲€肩殑绡€(ji茅)榛炵殑鏁�(sh霉)鎿�(j霉)銆傛帓闅婃槸鍥犵偤濡傛灉鏈変笂浣嶆鐨勮繑鍥炶珛姹�锛屽氨鎶婇€欑ó鏁�(sh霉)鎿�(j霉)鍏堢櫦(f膩)閫侊紝鍏跺畠鏁�(sh霉)鎿�(j霉)鏆瓨锛岀櫦(f膩)閫佽繑鍥炲悗鍐嶇櫦(f膩)閫�锛屽惁鍓囨渻瑾嶇偤杩斿洖鐨勫€兼槸閷鐨勩€傜稉(j墨ng)閬庢帓闅婄殑鏁�(sh霉)鎿�(j霉)渚濇鍚戜笂浣嶆鐧�(f膩)閫�銆�
2锛夌洠(ji膩n)鎺ч浕姗熺殑瀵︾従(xi脿n)
姝ゅ伐浣滄柟寮忓畬鎴愰浕姗熺殑鐩�(ji膩n)鎺�锛岄鍏堣鍒濆鍖栧寘鎷紙涓插彛闂�(gu膩n)闁夈€両2C瑷�(sh猫)瀹�锛孋AN鐨勫垵濮嬪寲锛岃ō(sh猫)缃帴鏀舵烤娉㈠櫒锛夛紝璁€鍙栬ō(sh猫)瀹氬弮鏁�(sh霉)鍚庨€插叆涓诲惊鐠�(hu谩n)銆傝┎绡€(ji茅)榛炴槸鏅鸿兘绡€(ji茅)榛烇紝宸茬稉(j墨ng)鍏峰倷鐛ㄧ珛鎺у埗闆绘閬嬭鐨勮兘鍔�锛屼笂浣嶆鍙矤璨悜鍏剁櫦(f膩)閫佹帶鍒剁辜闆诲櫒闁嬫柗鐨勯枊闂�(gu膩n)閲忚垏瑷�(sh猫)瀹氶浕姗熼€熷害鐨勬暩(sh霉)瀛楅噺锛岀瘈(ji茅)榛炴敹鍒板悗鏈冭嚜鍕曡(di脿o)绡€(ji茅)闆绘浣垮叾閬斿埌瑷�(sh猫)瀹氱殑宸ヤ綔閫熺巼锛屾鏂瑰紡鍙互澶уぇ娓涜紩绺界窔璨犳摂锛屾彁楂樼郴绲�(t菕ng)鐨勫鏅傛€с€備綔鐐烘櫤鑳界瘈(ji茅)榛炴湰韬矤璨牴鎿�(j霉)闋�(y霉)瑷�(sh猫)鎺у埗绠楁硶瑾�(di脿o)绡€(ji茅)闆绘澶�锛岄倓鑲╄矤钁楅噰闆嗛浕姗熼亱琛岀媭鎱�(t脿i)锛堥浕娴併€侀浕澹�銆佹韩搴︺€佽綁(zhu菐n)閫燂級銆佸垽鏂风暟甯哥媭鎱�(t脿i)銆佸鏅傜櫦(f膩)閫佹暩(sh霉)鎿�(j霉)绛夊伐浣�銆�
3锛夌洠(ji膩n)鎺ч浕姹犵殑瀵︾従(xi脿n)
闆绘鏄敱闆绘睜鎻愪緵鐨勯浕鑳介﹨(q奴)鍕曠殑锛岄浕姹犵殑鐙€鎱�(t脿i)涓嶅儏鍙嶆槧鏈韩鐨勫伐浣滅媭鎱�(t脿i)鑰屼笖鍙互闁撴帴鍙嶆槧闆绘鐨勯亱琛岀媭鎱�(t脿i)銆傞浕姹犵殑闆绘祦銆侀浕澹�銆佹韩搴﹂兘鏈夊悇鑷殑闁ュ€�锛屾甯稿伐娉佷笅锛屽悇鍊嬬瘈(ji茅)榛炴寜鐓ц(gu墨)瀹氱殑鏅傚簭鍚戜笂浣嶆鐧�(f膩)閫佽嚜韬媭鎱�(t脿i);鐣惰檿浜庝笉姝e父宸ヤ綔鐙€鎱�(t脿i)鏅�锛屾ā濉婂垽鏂峰嚭鐝�(xi脿n)鍟忛鐨勫師鍥犲苟閲囧彇鐩告噳(y墨ng)鐨勬帾鏂�锛屽苟鍙婃檪鐨勯€氶亷CAN绺界窔鍚戜笂浣嶆鍫卞憡銆傚鏋滄槸涓嶅彲淇京(f霉)鐨勯€氫俊閷锛屼笉鑳界辜绾�(x霉)閫氳▕锛屾湰绡€(ji茅)榛炶嚜鍕曞畬鎴愰棞(gu膩n)闁夐浕姹�銆侀浕姗熺殑浠诲嫏(w霉)锛屾湰濂楅﹨(q奴)鍕曞櫒鑷嫊閫€鍑哄伐浣�锛屽苟浣块浕姗熻檿浜庢诞鍕曠媭鎱�(t脿i)锛屼繚璀夋甯搁亱琛岀殑杌婅紱涓嶅彈闃荤銆�
4锛夋ā濉婅ō(sh猫)瀹氱殑瀵︾従(xi脿n)
鏍规摎(j霉)璺崇窔鐨勮ō(sh猫)缃�锛岀▼搴忛枊鍟熸檪鏈冨垽鏂蜂粈涔堟檪鍊欓€插叆瑷�(sh猫)瀹氬伐浣滄柟寮�銆傜暥鐢ㄦ埗闇€瑕佸皪鏌愪竴绡€(ji茅)榛炶ō(sh猫)缃檪锛屼笂浣嶆閬嬭瑷�(sh猫)缃粺浠讹紝涓婁綅姗熻垏妯″閫氶亷涓插彛鐩搁€f帴锛岀瘈(ji茅)榛為€插叆瑷�(sh猫)瀹氬伐浣滄柟寮忥紙姝ゆ柟寮忔槸閲濆皪鍠竴妯″閫愪竴瑷�(sh猫)缃殑锛�锛屼笂浣嶆鐧�(f膩)閫佺浉鎳�(y墨ng)鍔熻兘纰艰畝鍙栨ā濉婂弮鏁�(sh霉)锛岀櫦(f膩)閫佺浉鎳�(y墨ng)鍔熻兘纰间慨鏀规ā濉婂弮鏁�(sh霉)?锛熸ⅱ鏍絆(sh猫)缃殑妯″鍙冩暩(sh霉)鍖呮嫭鏈ā濉婄殑鍦板潃銆佽垏妯″鐩搁€g殑瑷�(sh猫)鍌�銆佷覆鍙h垏瑷�(sh猫)鍌欓€氫俊鐨勬尝鐗圭巼绛夛紝閫欎簺鍙冩暩(sh霉)閮芥槸瀛樺劜鍦↖2C鎺ュ彛鐨勫瓨鍎插櫒涓�銆�
5锛夊叾瀹冩婧栬ō(sh猫)鍌欑殑瀵︾従(xi脿n)
Modbus瑕�(gu墨)绱勬槸MODICOM鍏徃闁嬬櫦(f膩)鐨勪竴鍊嬬偤寰堝寤犲晢鏀寔鐨勯枊鏀捐(gu墨)绱勶紝妯欐簴鐨凪odbus鏄娇鐢≧S-232C鍏煎涓茶鎺ュ彛锛屾湰妯″涓插彛閫氳▕灏辨槸閬靛惊Modbus鍗�(xi茅)璀帮紝鍥犳鍦ㄦ摯灞曚笂鏈夋洿澶х殑闈堟椿鎬�锛屽彧瑕佷笂浣嶆鏈変竴瀹氱殑绋嬪簭鐩稿皪鎳�(y墨ng)锛岀鍚圡odbus鍗�(xi茅)璀扮殑宸ユ帶瑷�(sh猫)鍌欏氨鍙互閫氶亷鏈ā濉婅紩鏉剧殑鎺涙帴鍦–AN绺界窔涓�銆�
5 绲�(ji茅)鏉熻獮
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[1]銆侀閬嬫郡銆侀剴绻艰粛锛岀従(xi脿n)鍫寸附绶欳AN鍘熺悊鑸囨噳(y墨ng)鐢�锛屽寳浜埅绌鸿埅澶╁ぇ瀛稿嚭鐗堢ぞ锛�2003骞�6鏈堛€�
[2]銆佹妯傚钩锛孡abVIEW绋嬪簭瑷�(sh猫)瑷堣垏鎳�(y墨ng)鐢紙绗�2鐗堬級锛岄浕瀛愬伐妤�(y猫)鍑虹増绀�锛�2005骞�1鏈�銆�
[3]銆丮ODICON, Inc. Modbus Protocol Reference Guide [Z], 1996.
[4]銆佹潕闆強銆侀剴婢�锛屽熀浜嶭abVIEW鍜屽柈鐗囨涓插彛鐨勯珮闋诲悓杌搁枊闂�(gu膩n)杞�(zhu菐n)鎻涢浕璺�锛屽井瑷堢畻姗熶俊鎭紙宓屽叆寮忚垏SOC锛�2005骞寸21鍗风7-2鏈�锛宲86
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