CANBUS有什么用 canbus和can总线有什么区别
\u8bf7\u95eecanbus\u7cfb\u7edf\u6709\u4ec0\u4e48\u4f5c\u7528\uff1f\u4f5c\u4e3aISO11898CAN\u6807\u51c6\u7684CANBus\uff08ControLLer Area Net-work Bus\uff09\uff0c\u662f\u5236\u9020\u5382\u4e2d\u8fde\u63a5\u73b0\u573a\u8bbe\u5907\uff08\u4f20\u611f\u5668\u3001\u6267\u884c\u5668\u3001\u63a7\u5236\u5668\u7b49\uff09\u3001\u9762\u5411\u5e7f\u64ad\u7684\u4e32\u884c\u603b\u7ebf\u7cfb\u7edf\uff0c\u6700\u521d\u7531\u7f8e\u56fd\u901a\u7528\u6c7d\u8f66\u516c\u53f8\uff08GM\uff09\u5f00\u53d1\u7528\u4e8e\u6c7d\u8f66\u5de5\u4e1a\uff0c\u540e\u65e5\u6e10\u589e\u591a\u5730\u51fa\u73b0\u5728\u5236\u9020\u81ea\u52a8\u5316\u884c\u4e1a\u4e2d\u3002 \u7f16\u8f91\u672c\u6bb51\u3001CANBus\u7cfb\u7edf\u7ec4\u6210\u53ca\u6027\u80fd CANBus\u7cfb\u7edf\u901a\u8fc7\u76f8\u5e94\u7684CAN\u63a5\u53e3\u8fde\u63a5\u5de5\u4e1a\u8bbe\u5907\uff08\u5982\u9650\u4f4d\u5f00\u5173\u3001\u5149\u7535\u4f20\u611f\u5668\u3001\u7ba1\u9053\u9600\u95e8\u3001\u7535\u673a\u542f\u52a8\u5668\u3001\u8fc7\u7a0b\u4f20\u611f\u5668\u3001\u53d8\u9891\u5668\u3001\u663e\u793a\u677f\u3001PLC\u548cPCI\u4f5c\u7ad9\u7b49\uff09\u6784\u6210\u4f4e\u6210\u672c\u7f51\u7edc\u3002\u76f4\u63a5\u8fde\u63a5\u4e0d\u4ec5\u63d0\u4f9b\u4e86\u8bbe\u5907\u7ea7\u6545\u969c\u8bca\u65ad\u65b9\u6cd5\uff0c\u800c\u4e14\u63d0\u9ad8\u4e86\u901a\u4fe1\u6548\u7387\u548c\u8bbe\u5907\u7684\u4e92\u6362\u6027\u3002CANBus\u6570\u636e\u4f20\u8f93\u901f\u7387\u4e3a1Mbit/s\uff0c\u7ebf\u8def\u8ddd\u79bblkm\uff0c\u57fa\u672c\u7ad9\u70b9\u657064\uff0c\u4f20\u8f93\u5a92\u4f53\u662f\u5c4f\u853d\u53cc\u7ede\u7ebf\u6216\u5149\u7ea4\u3002 \u7f16\u8f91\u672c\u6bb52\u3001CANBus\u6570\u636e\u94fe\u8def\u63a7\u5236\u7279\u70b9 CANBus\u6570\u636e\u94fe\u8def\u5c42\u534f\u8bae\u91c7\u7528\u5e73\u7b49\u5f0f\uff08Peer to peer\uff09\u901a\u4fe1\u65b9\u5f0f\uff0c\u5373\u4f7f\u4e3b\u673a\u51fa\u73b0\u6545\u969c\uff0c\u7cfb\u7edf\u5176\u4f59\u90e8\u5206\u4ecd\u53ef\u8fd0\u884c\uff08\u5f53\u7136\u6027\u80fd\u53d7\u4e00\u5b9a\u5f71\u54cd\uff09\u3002\u5f53\u4e00\u4e2a\u7ad9\u70b9\u72b6\u6001\u6539\u53d8\u65f6\uff0c\u5b83\u53ef\u5e7f\u64ad\u53d1\u9001\u4fe1\u606f\u5230\u6240\u6709\u7ad9\u70b9\u3002 CANBus\u7684\u4fe1\u606f\u4f20\u8f93\u901a\u8fc7\u62a5\u6587\u8fdb\u884c\uff0c\u62a5\u6587\u5e27\u67094\u79cd\u7c7b\u578b\uff1a\u6570\u636e\u5e27\u3001\u8fdc\u7a0b\u5e27\u3001\u51fa\u9519\u5e27\u548c\u8d85\u8f7d\u5e27\uff0c\u5176\u4e2d\u6570\u636e\u5e27\u683c\u5f0f\u5982\u56fe8\u6240\u793a\u3002CANBus\u5e27\u7684\u6570\u636e\u573a\u8f83\u77ed\uff0c\u5c0f\u4e8e8B\uff0c\u6570\u636e\u957f\u5ea6\u5728\u63a7\u5236\u573a\u4e2d\u7ed9\u51fa\u3002\u77ed\u5e27\u53d1\u9001\u4e00\u65b9\u9762\u964d\u4f4e\u4e86\u62a5\u6587\u51fa\u9519\u7387\uff0c\u540c\u65f6\u4e5f\u6709\u5229\u4e8e\u51cf\u5c11\u5176\u4ed6\u7ad9\u70b9\u7684\u53d1\u9001\u5ef6\u8fdf\u65f6\u95f4\u3002\u5e27\u53d1\u9001\u7684\u786e\u8ba4\u7531\u53d1\u9001\u7ad9\u4e0e\u63a5\u6536\u7ad9\u5171\u540c\u5b8c\u6210\uff0c\u53d1\u9001\u7ad9\u53d1\u51fa\u7684ACK\u573a\u5305\u542b\u4e24\u4e2a\u201c\u7a7a\u95f2\u201d\u4f4d\uff08recessive bit\uff09\uff0c\u63a5\u6536\u7ad9\u5728\u6536\u5230\u6b63\u786e\u7684CRC\u573a\u540e\uff0c\u7acb\u5373\u53d1\u9001\u4e00\u4e2a\u201c\u5360\u6709\u201d\u4f4d\uff08dominant bit\uff09\uff0c\u7ed9\u53d1\u9001\u7ad9\u4e00\u4e2a\u786e\u8ba4\u7684\u56de\u7b54\u3002CANBus\u8fd8\u63d0\u4f9b\u5f88\u5f3a\u7684\u9519\u8bef\u5904\u7406\u80fd\u529b\uff0c\u53ef\u533a\u5206\u4f4d\u9519\u8bef\u3001\u586b\u5145\u9519\u8bef\u3001CRC\u9519\u8bef\u3001\u5f62\u5f0f\u9519\u8bef\u548c\u5e94\u7b54\u9519\u8bef\u7b49\u3002 CANBus\u5e94\u7528\u4e00\u79cd\u9762\u5411\u4f4d\u578b\u7684\u635f\u4f24\u4ef2\u88c1\u65b9\u6cd5\u6765\u89e3\u51b3\u5a92\u4f53\u591a\u8def\u8bbf\u95ee\u5e26\u6765\u7684\u51b2\u7a81\u95ee\u9898\u3002\u5176\u4ef2\u88c1\u8fc7\u7a0b\u662f\uff1a\u5f53\u603b\u7ebf\u7a7a\u95f2\u65f6\uff0c\u7ebf\u8def\u8868\u73b0\u4e3a\u201c\u95f2\u7f6e\u201d\u7535\u5e73\uff08recessive level\uff09\uff0c\u6b64\u65f6\u4efb\u4f55\u7ad9\u5747\u53ef\u53d1\u9001\u62a5\u6587\u3002\u53d1\u9001\u7ad9\u53d1\u51fa\u7684\u5e27\u8d77\u59cb\u5b57\u6bb5\u4ea7\u751f\u4e00\u4e2a\u201c\u5360\u6709\u201d\u7535\u5e73\uff08dominant level\uff09\uff0c\u6807\u5fd7\u53d1\u9001\u5f00\u59cb\u3002\u6240\u6709\u7ad9\u4ee5\u9996\u5148\u5f00\u59cb\u53d1\u9001\u7ad9\u7684\u5e27\u8d77\u59cb\u524d\u6cbf\u6765\u540c\u6b65\u3002\u82e5\u6709\u591a\u4e2a\u7ad9\u540c\u65f6\u53d1\u9001\uff0c\u90a3\u4e48\u5728\u53d1\u9001\u7684\u4ef2\u88c1\u573a\u8fdb\u884c\u9010\u4f4d\u6bd4\u8f83\u3002\u4ef2\u88c1\u573a\u5305\u542b\u6807\u8bc6\u7b26ID\uff08\u6807\u51c6\u4e3allbit\uff09\uff0c\u5bf9\u5e94\u5176\u4f18\u5148\u7ea7\u3002\u6bcf\u4e2a\u7ad9\u5728\u53d1\u9001\u4ef2\u88c1\u573a\u65f6\uff0c\u5c06\u53d1\u9001\u4f4d\u4e0e\u7ebf\u8def\u7535\u5e73\u6bd4\u8f83\uff0c\u82e5\u76f8\u540c\u5219\u53d1\u9001\uff1b\u82e5\u4e0d\u540c\u5219\u5f97\u77e5\u4f18\u5148\u7ea7\u4f4e\u800c\u9000\u51fa\u4ef2\u88c1, \u4e0d\u518d\u53d1\u9001\u3002\u7cfb\u7edf\u54cd\u5e94\u65f6\u95f4\u4e0e\u7ad9\u70b9\u6570\u65e0\u5173\uff0c\u53ea\u53d6\u51b3\u4e8e\u5b89\u6392\u7684\u4f18\u5148\u6743\u3002\u53ef\u4ee5\u770b\u51fa\uff0c\u8fd9\u79cd\u5a92\u4f53\u8bbf\u95ee\u63a7\u5236\u65b9\u5f0f\u4e0d\u50cfEthetnet\u7684CSMA/CDCA\u534f\u8bae\u90a3\u6837\u4f1a\u9020\u6210\u6570\u636e\u4e0e\u4fe1\u9053\u5e26\u5bbd\u53d7\u635f\u3002 \u7f16\u8f91\u672c\u6bb53\u3001CANopen\u534f\u8bae CANBus\u9664\u914d\u7f6e\u8bbe\u5907\u7f51\uff08DevicnNet\uff09\u534f\u8bae\u5916\uff0c\u8fd8\u63d0\u4f9b\u57fa\u4e8eCAL\uff08CANA pllicationlayer) \u7684CANopen\u534f\u8bae\uff08CiA DS-301\uff09\uff0c\u5373\u652f\u6301\u8bbe\u5907\u53c2\u6570\u7684\u76f4\u63a5\u8bbf\u95ee\uff0c\u53c8\u53ef\u5b9e\u73b0\u6709\u82db\u523b\u65f6\u95f4\u8981\u6c42\u7684\u8fc7\u7a0b\u6570\u636e\u901a\u4fe1\u3002 CANBus\u7684DeviceNet\u534f\u8bae\u5177\u6709\u5f00\u653e\u6027\uff0c\u7528\u6237\u65e0\u987b\u8d2d\u4e70\u52a0\u5165\u7cfb\u7edf\u6240\u9700\u7684\u786c\u4ef6\u3001\u8f6f\u4ef6\u548c\u5141\u8bb8\u6743\uff0c\u591a\u5382\u5bb6\u8bbe\u5907\u80fd\u591f\u5728\u5355\u4e00\u7f51\u7edc\u4e0a\u76f8\u4e92\u64cd\u4f5c\u3002CANhs\u4e5f\u5141\u8bb8\u4e0eEthernet\u6216\u5176\u4ed6\u5c40\u57df\u7f51\u76f8\u8fde\uff0c\u63a5\u4eba\u63a7\u5236\u7b97\u6cd5\u7ec4\u6001\u53ca\u7ba1\u7406\u4fe1\u606fPC\u7cfb\u7edf\uff0c\u4ece\u800c\u5f62\u6210\u7ba1\u63a7\u4e00\u4f53\u5316\u7684\u5de5\u4e1a\u7f51\u7edc\u3002
\u6ca1\u533a\u522b
CAN\u662f\u63a7\u5236\u5668\u5c40\u57df\u7f51\u7edc(Controller Area Network, CAN)\u7684\u7b80\u79f0\uff0cCANBus\u5c31\u662fControLLer Area Net-work Bus\u662f\u7531\u4ee5\u7814\u53d1\u548c\u751f\u4ea7\u6c7d\u8f66\u7535\u5b50\u4ea7\u54c1\u8457\u79f0\u7684\u5fb7\u56fdBOSCH\u516c\u53f8\u5f00\u53d1\u7684\uff0c\u5e76\u6700\u7ec8\u6210\u4e3a\u56fd\u9645\u6807\u51c6\uff08ISO 11898\uff09\uff0c\u662f\u56fd\u9645\u4e0a\u5e94\u7528\u5e7f\u6cdb\u7684\u73b0\u573a\u603b\u7ebf\u4e4b\u4e00\u3002 \u662f\u5236\u9020\u5382\u4e2d\u8fde\u63a5\u73b0\u573a\u8bbe\u5907\uff08\u4f20\u611f\u5668\u3001\u6267\u884c\u5668\u3001\u63a7\u5236\u5668\u7b49\uff09\u3001\u9762\u5411\u5e7f\u64ad\u7684\u4e32\u884c\u603b\u7ebf\u7cfb\u7edf\uff0c\u6700\u521d\u5f00\u53d1\u7528\u4e8e\u6c7d\u8f66\u5de5\u4e1a\uff0c\u540e\u6765\u4e5f\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\uff0c\u76ee\u524d\u6709\u4e00\u79cdpowerbus\u73b0\u573a\u603b\u7ebf\u6bd4\u8f83\u6d41\u884c\uff0c\u4e32\u53e3\u900f\u4f20\uff0c\u5373\u4f9b\u7535\u53c8\u901a\u8baf\uff0c\u76f8\u5f53\u4e8e\u8d85\u5f3a\u7248\u7684Mbus\uff0c\u770b\u4f60\u662f\u4e0d\u662f\u6709\u96c6\u4e2d\u4f9b\u7535\u7684\u9700\u6c42\u3002
绛旓細CAN-bus锛圕ontroller Area Network锛夊嵆鎺у埗鍣ㄥ眬鍩熺綉锛屾槸鍥介檯涓婂簲鐢ㄦ渶骞挎硾鐨勭幇鍦烘荤嚎涔嬩竴銆傝捣鍏堬紝CAN-bus琚璁′綔涓烘苯杞︾幆澧冧腑鐨勫井鎺у埗鍣ㄤ箣闂撮氳锛屽湪杞﹁浇鍚勭數瀛愭帶鍒惰缃瓻CU涔嬮棿浜ゆ崲淇℃伅锛屽舰鎴愭苯杞︾數瀛愭帶鍒剁綉缁溿傚畠鏄竴绉嶅涓绘柟寮忕殑涓茶閫氳鎬荤嚎锛屽熀鏈璁¤鑼冭姹傛湁杈冮珮鐨勪綅閫熺巼锛岄珮鎶楀共鎵版э紝鑰屼笖鑳藉妫娴嬪嚭...
绛旓細鐩存帴杩炴帴涓嶄粎鎻愪緵浜嗚澶囩骇鏁呴殰璇婃柇鏂规硶锛岃屼笖鎻愰珮浜嗛氫俊鏁堢巼鍜岃澶囩殑浜掓崲鎬銆侰ANBus鏁版嵁浼犺緭閫熺巼涓1Mbit/s锛岀嚎璺窛绂籰km锛屽熀鏈珯鐐规暟64锛屼紶杈撳獟浣撴槸灞忚斀鍙岀粸绾挎垨鍏夌氦銆 缂栬緫鏈2銆丆ANBus鏁版嵁閾捐矾鎺у埗鐗圭偣 CANBus鏁版嵁閾捐矾灞傚崗璁噰鐢ㄥ钩绛夊紡锛圥eer to peer锛夐氫俊鏂瑰紡锛屽嵆浣夸富鏈哄嚭鐜版晠闅滐紝绯荤粺鍏朵綑閮ㄥ垎浠嶅彲杩愯...
绛旓細1銆丆anbus锛氱敤鏉ユ暟鎹氦浜掍紶杈撶殑銆2銆丱BD锛氱敤鏉ユ暟鎹崟鍚戜紶杈撶殑銆備簩銆佸姛鑳戒笉鍚 1銆丆anbus锛杩炴帴鐢垫帶鐢佃剳涓庝紶鎰熷櫒鍜屾墽琛屽櫒鐨銆2銆丱BD锛氳繛鎺ョ數鎺х數鑴戜笌璇婃柇鐢佃剳鐨勩備笁銆佷娇鐢ㄩ斿緞涓嶅悓 1銆丆anbus锛淇濊瘉杞﹁締鐢垫帶绯荤粺姝ｅ父杩愯鐨锛鐩存帴杩炴帴涓嶄粎鎻愪緵浜嗚澶囩骇鏁呴殰璇婃柇鏂规硶锛岃屼笖鎻愰珮浜嗛氫俊鏁堢巼鍜岃澶囩殑浜掓崲鎬с2銆丱B...
绛旓細CAN绾挎槸鍙岀粸绾匡紝缁炲湪涓璧蜂互闃叉澶栭儴骞叉壈銆CAN绾跨敤浜庢苯杞︿腑涓嶅悓鍔熻兘鐨勮绠楁満涔嬮棿鐨勯氫俊銆傚鏋滄苯杞︽姤鍛婁笌CAN閫氫俊鐩稿叧鐨勬晠闅滐紝鍒欏彲浠ョ洿鎺ユ娴嬪埌璇ユ晠闅溿侰ANBUS鍗矯AN鎬荤嚎鎶鏈紝绉颁负鎺у埗鍣ㄥ眬鍩熺綉鎬荤嚎鎶鏈侰anBus鎬荤嚎鎶鏈鏈鏃╃敤浜庨鏈虹瓑姝﹀櫒鐢靛瓙绯荤粺鐨勯氫俊銆傝繖椤规妧鏈湪姘戠敤姹借溅涓婄殑搴旂敤璧锋簮浜庢娲诧紝鍦ㄩ偅閲岋紝鎬荤嚎缃...
绛旓細canbus鎬荤嚎鍦ㄦ櫤鑳藉灞呯殑搴旂敤C-BUS鏄竴涓崄鍒嗙伒娲荤殑鏌旀ф帶鍒剁郴缁锛岃繖鏄洜涓烘墍鏈夌殑杈撳叆鍜岃緭鍑哄厓浠惰嚜甯﹀井澶勭悊鍣ㄤ笖閫氳繃鎬荤嚎浜掕仈锛屽閮ㄤ簨浠朵俊鎭潵鑷緭鍏ュ厓浠讹紝閫氳繃鎬 绾垮埌杈剧浉搴旂殑杈撳嚭鍏冧欢骞舵寜棰勫厛缂栧ソ鐨勭▼搴忔帶鍒舵墍杩炴帴鐨勮礋杞姐傛瘡涓涓厓浠堕兘鍙互鎸夌収闇姹傝繘琛岀紪绋嬩互閫傚簲浠讳綍浣跨敤鍦哄悎锛屽叾鐏垫椿鐨勭紪绋嬪彲 鍦ㄤ笉鏀瑰彉浠讳綍...
绛旓細CANBUS寰堝ソ鐨勬弧瓒充簡杩欎簺瑕佹眰,鍦ㄥ疄闄呯殑杩愮敤涓獙璇佹槸鍒囧疄鍙鐨勩 鐢变簬楂樼┖浣滀笟杞﹀叿鏈夊湴闈㈣浆鍙板拰楂樼┖骞冲彴涓や釜鎿嶄綔骞冲彴,涓や釜骞冲彴閮借兘瀵逛笂杞﹁繘琛屽悇绉嶅姩浣滅殑鎺у埗銆傝繖閲屽氨鏈変竴涓笂涓嬫搷浣滃钩鍙扮殑宸ヤ綔浜哄憳鐨勫崗璋冮棶棰,渚嬪鎿嶄綔鐨勪紭鍏堢骇銆佺郴缁熺殑鍐椾綑銆佸姩浣滅殑瀹夊叏淇濊瘉,濡傛灉鐢ㄤ紶缁熺殑鐢垫皵鎺у埗,寰堥毦瀹炵幇涓婁笅骞冲彴鐨勯氳闂,CANBUS鐨...
绛旓細浣滅敤1,鍑忓皯閾炬帴绾挎潫锛孉CC/ILL/鍊掕溅銆佺瓑绛夋帶鍒朵俊鍙风嚎闆嗘垚鍦ㄤ竴璧凤紝闄嶄綆閾炬帴鎴愭湰銆備綔鐢2,鏂瑰悜鐩樻寜寤烘帶鍒躲佸師杞﹂浄杈句俊鍙烽氳繃鎬荤嚎閫佸埌DVD銆備綔鐢3,绌鸿皟淇℃伅銆佹补鑰椾俊鎭湪DVD鐨勬樉绀恒備綔鐢4,璇婃柇DVD鐘舵侊紝鎶奃VD鐨勭姸鎬佸彂鍒拌溅浣撻渶瑕佺殑妯″潡锛堝浠〃锛夈傝祫鏂欐潵婧愨斺旈暱娌欓潪甯稿煄甯傝鍧 ...
绛旓細浣滀负ISO11898 CAN鏍囧噯鐨CANBus锛圕ontroLLer Area Net-work Bus锛夛紝鏄埗閫犲巶涓繛鎺ョ幇鍦鸿澶囷紙浼犳劅鍣ㄣ佹墽琛屽櫒銆佹帶鍒跺櫒绛夛級銆侀潰鍚戝箍鎾殑涓茶鎬荤嚎绯荤粺锛屾渶鍒濈敱缇庡浗閫氱敤姹借溅鍏徃锛圙M锛夊紑鍙戠敤浜庢苯杞﹀伐涓氾紝鍚庢棩娓愬澶氬湴鍑虹幇鍦ㄥ埗閫犺嚜鍔ㄥ寲琛屼笟涓
绛旓細鍏舵鍛紵鏄彲鎿嶄綔鎬с傚彟澶栵紝杩樻湁鑸掗傛х瓑绛夊洜绱犮傜劧鍚庢垜浠啀鐪嬬湅CAN鎬荤嚎鐨勭壒鎬э紝瀹冪殑鏁版嵁浼犺緭閫熷害寰堝揩锛岃兘澶熻椹鹃┒浜哄憳鐨勯┚椹跺懡浠ょ涓鏃堕棿浼犺揪鍒板悇涓妭鐐硅澶囦笂锛屽彲鎿嶄綔鎬у緢濂姐傛澶栵紝CAN鎬荤嚎鏄樊鍒嗙數鍘嬩俊鍙蜂紶杈撲俊鎭殑鍘熺悊锛屼俊鎭紶杈撶ǔ瀹氭ч珮锛屼笉鏄撳嚭閿欙紝涓嶄細杞绘槗鍙楀共鎵帮紝淇濋殰浜嗘苯杞﹂┚椹剁殑瀹夊叏鎬с傚啀鑰咃紝搴旂敤...
绛旓細姹借溅涓婄殑CAN-BUS鎬荤嚎涓鑸湁涓夌:楂橀熺殑鍔ㄥ姏椹卞姩绯荤粺(閫熺巼鍙揪鍒500kb/s浠ヤ笂)涓昏杩炴帴瀵硅薄鍖呮嫭鍙戝姩鏈篍CU銆丄BSECU銆丼RSECU銆佺粍鍚堜华琛ㄧ瓑;浣庨熺殑CAN鎬荤嚎鍒欑敤浜庤溅韬垝閫傜郴缁(閫熺巼100kb/s),杩炴帴瀵硅薄鏈夐泦鎺ч攣銆佺數鍔ㄩ棬绐椼佸悗瑙嗛暅銆佸帰鍐呯収鏄庣伅绛;鍙﹀鍙兘杩樹細鏈夌敤浜庡崼鏄熷鑸殑鏅鸿兘閫氳绯荤粺銆 閫氳繃閬嶅竷杞﹁韩鐨勪紶鎰熷櫒,姹借溅鐨勫悇绉...
