{"id":3827,"date":"2022-08-10T19:17:13","date_gmt":"2022-08-10T11:17:13","guid":{"rendered":"https:\/\/www.chinaautoregs.com\/?p=3827"},"modified":"2022-09-02T14:31:06","modified_gmt":"2022-09-02T06:31:06","slug":"gb-t-41588-3-2022%e8%8b%b1%e6%96%87%e7%89%88%e7%bf%bb%e8%af%91-%e9%81%93%e8%b7%af%e8%bd%a6%e8%be%86%e6%8e%a7%e5%88%b6%e5%99%a8%e5%b1%80%e5%9f%9f%e7%bd%91%ef%bc%88can%ef%bc%89%e7%ac%ac3%e9%83%a8","status":"publish","type":"post","link":"https:\/\/www.chinaautoregs.com\/?p=3827","title":{"rendered":"GB\/T 41588.3-2022 \u56fd\u6807\u82f1\u6587\u8bd1\u672c \u4f4e\u901f\u5bb9\u9519\u3001\u5a92\u4ecb\u76f8\u5173\u63a5\u53e3"},"content":{"rendered":"

ChinaAutoRegs\uff5cGB\/T 41588.3-2022\u82f1\u6587\u7248\u7ffb\u8bd1 \u9053\u8def\u8f66\u8f86\u63a7\u5236\u5668\u5c40\u57df\u7f51\uff08CAN\uff09\u7b2c3\u90e8\u5206\uff1a\u4f4e\u901f\u5bb9\u9519\u3001\u5a92\u4ecb\u76f8\u5173\u63a5\u53e3
\nRoad Vehicles\u2014Controller Area Network (CAN)\u2014Part 3: Low-Speed, Fault-Tolerant, Medium-Dependent Interface<\/p>\n

<\/p>\n

\"\"<\/p>\n

CONTENTS<\/p>\n

Foreword III
\nIntroduction IV
\n1 Scope 1
\n2 Normative References 1
\n3 Terms and Definitions 1
\n4 Abbreviated Terms 2
\n5 OSI Reference Model 3
\n6 MDI Specification 3
\n7 Physical Medium Failure Definition 10
\n8 Physical Medium Attachment (PMA) 12
\nBibliography 20<\/p>\n

1 \u8303\u56f4<\/p>\n

\u672c\u6587\u4ef6\u89c4\u5b9a\u4e86\u57fa\u4e8e CAN \u7684\u9053\u8def\u8f66\u8f86\u7535\u5b50\u63a7\u5236\u5355\u5143\u4e4b\u95f4\u7684\u6570\u5b57\u4fe1\u606f\u7684\u4ea4\u4e92\u7279\u6027,\u4f4e \u901f CAN \u5e94\u7528\u5c42 \u7684\u5bb9\u9519\u884c\u4e3a\u4ee5\u53ca\u57fa\u4e8eISO\/OSI\u5c42\u6a21\u578b\u7684\u5a92\u4ecb\u76f8\u5173\u63a5\u53e3\u548c\u7269\u7406\u5a92\u4ecb\u8fde\u63a5\u7269\u7406\u5c42\u3002
\n\u672c\u6587\u4ef6\u9002\u7528\u4e8e\u4f20\u8f93\u901f\u7387\u4ecb\u4e8e 40kbps~125kbps\u7684 CAN \u4e32\u884c \u901a \u4fe1 \u534f \u8bae,\u652f \u6301 \u5206 \u5e03 \u5f0f \u63a7 \u5236 \u548c \u591a \u8def \u590d\u7528\u3002<\/p>\n

2 \u89c4\u8303\u6027\u5f15\u7528\u6587\u4ef6<\/p>\n

\u672c\u6587\u4ef6\u6ca1\u6709\u89c4\u8303\u6027\u5f15\u7528\u6587\u4ef6\u3002<\/p>\n

3 \u672f\u8bed\u548c\u5b9a\u4e49<\/p>\n

\u4e0b\u5217\u672f\u8bed\u548c\u5b9a\u4e49\u9002\u7528\u4e8e\u672c\u6587\u4ef6\u3002
\n3.1
\n\u603b\u7ebf bus
\n\u6240\u6709\u8282\u70b9\u90fd\u662f\u88ab\u52a8\u8fde\u63a5\u5e76\u5141\u8bb8\u53cc\u5411\u4f20\u8f93\u7684\u901a\u4fe1\u7f51\u7edc\u7684\u62d3\u6251\u3002
\n3.2
\n\u603b\u7ebf\u5931\u6548 busfailure
\n\u7269\u7406\u603b\u7ebf\u6545\u969c(\u6bd4\u5982\u65ad\u8def\u3001\u77ed\u8def)\u5bfc\u81f4\u7684\u5931\u6548\u3002
\n3.3
\n\u603b\u7ebf\u503c busvalue
\n\u603b\u7ebf\u5177\u6709\u4e24\u79cd\u4e92\u8865\u903b\u8f91\u503c\u4e2d\u7684\u4e00\u79cd:\u663e\u6027\u6216\u9690\u6027\u3002
\n\u6ce8:\u663e\u6027\u4ee3\u8868\u903b\u8f91 0,\u9690 \u6027\u4ee3\u8868\u903b\u8f91 1\u3002\u5728 \u540c\u65f6\u4f20\u8f93\u663e\u6027\u4f4d\u548c\u9690\u6027\u4f4d\u65f6 ,\u603b \u7ebf\u503c\u4e3a\u663e\u6027\u3002
\n3.4
\n\u603b\u7ebf\u7535\u538b busvoltage
\n\u5b9a\u4e49\u6bcf\u4e2a\u5355\u72ec CAN \u8282\u70b9\u7684\u603b\u7ebf CAN_L \u548c CAN_H \u76f8\u5bf9\u4e8e\u5730\u7684\u7535\u538b\u3002
\n\u6ce8 :VCAN_L \u548cVCAN_H \u8868\u793a\u603b\u7ebf\u7535\u538b\u3002
\n3.5
\n\u5dee\u5206\u7535\u538b differentialvoltage;Vdiff CAH_H \u548c CAN_L \u4e4b\u95f4\u7684\u7535\u538b\u3002 \u6ce8 :Vdiff=VCAN_H -VCAN_L \u3002
\n3.6
\n\u65e0\u6545\u969c\u901a\u4fe1 faultfreecommunication
\n\u6ca1\u6709\u4fe1\u606f\u4e22\u5931\u7684\u5de5\u4f5c\u6a21\u5f0f\u3002
\n3.7
\n\u5bb9\u9519 faulttolerance
\n\u5728\u7279\u5b9a\u7684\u603b\u7ebf\u6545\u969c\u6761\u4ef6\u4e0b,\u81f3\u5c11\u88ab\u964d\u4f4e\u6027\u80fd\u7684\u72b6\u6001\u4e0b\u7684\u5de5\u4f5c\u80fd\u529b\u3002
\n\u793a\u4f8b:\u4fe1\u566a\u6bd4\u964d\u4f4e\u3002
\n3.8
\n\u6536\u53d1\u5668\u73af\u8def\u5ef6\u65f6 transceiverlooptimedelay
\n\u4e00\u4e2a\u903b\u8f91\u4fe1\u53f7\u4ece\u6536\u53d1\u5668\u7684\u903b\u8f91\u8f93\u5165\u7aef\u53d1\u51fa\u5230\u6536\u53d1\u5668\u7684\u903b\u8f91\u8f93\u51fa\u7aef\u68c0\u6d4b\u5230\u6b64\u4fe1\u53f7\u7684\u5ef6\u8fdf\u65f6\u95f4\u3002
\n3.9
\n\u4f4e\u529f\u8017\u6a21\u5f0f lowpowermode
\n\u4f4e\u529f\u7387\u6d88\u8017\u7684\u5de5\u4f5c\u6a21\u5f0f\u3002
\n\u6ce8:\u4f4e\u529f\u8017\u6a21\u5f0f\u7684\u8282\u70b9\u4e0d\u4f1a\u5e72\u6270\u5176\u4ed6\u8282\u70b9\u4e4b\u95f4\u7684\u901a\u4fe1\u3002
\n3.10
\n\u8282\u70b9 node
\n\u8fde\u63a5\u5230\u901a\u4fe1\u7f51\u7edc,\u6839\u636e\u901a\u4fe1\u534f\u8bae\u5b9a\u4e49\u80fd\u591f\u901a\u8fc7\u7f51\u7edc\u8fdb\u884c\u901a\u4fe1\u7684\u88c5\u7f6e\u3002
\n3.11
\n\u6b63\u5e38\u6a21\u5f0f normalmode
\n\u6536\u53d1\u5668\u80fd\u6709\u6548\u7684\u53c2\u4e0e(\u53d1\u9001\u548c\/\u6216\u63a5\u6536)\u7f51\u7edc\u901a\u4fe1\u7684\u5de5\u4f5c\u6a21\u5f0f\u3002
\n3.12
\n\u5de5\u4f5c\u7535\u5bb9 operatingcapacitance;Cop
\n\u7531\u7f51\u7edc\u62d3\u6251\u548c\u7269\u7406\u4ecb\u8d28\u7279\u6027\u51b3\u5b9a\u7684\u603b\u7ebf\u548c\u4e00\u4e2a\u6216\u591a\u4e2a\u53ef\u89c1\u7684\u8282\u70b9\u8fde\u63a5\u5668\u4e4b\u95f4\u7684\u603b\u7535\u5bb9\u3002
\n3.13
\n\u7269\u7406\u5c42 physicallayer
\n\u8fde\u63a5 ECU \u548c\u603b\u7ebf\u7684\u7535\u8def\u3002
\n3.14
\n\u7269\u7406\u5a92\u4ecb(\u603b\u7ebf\u7684) physicalmedium (ofthebus)
\n\u4e00\u5bf9\u5e73\u884c\u6216\u53cc\u7ede,\u5c4f\u853d\u6216\u975e\u5c4f\u853d\u7684\u7ebf\u675f\u3002
\n\u6ce8:\u5355\u7ebf\u8868\u793a\u6210 CAN_H \u548c CAN_L\u3002
\n3.15
\n\u63a5\u6536\u5668 receiver
\n\u5c06\u7269\u7406\u4fe1\u53f7\u8f6c\u6362\u6210\u903b\u8f91\u4fe1\u606f\u6216\u6570\u636e\u4fe1\u53f7\u7684\u8bbe\u5907\u3002
\n3.16
\n\u53d1\u9001\u5668 transmitter
\n\u5c06\u903b\u8f91\u4fe1\u606f\u6216\u6570\u636e\u4fe1\u53f7\u8f6c\u6362\u6210\u7535\u4fe1\u53f7\u4ee5\u4fbf\u901a\u8fc7\u7269\u7406\u5a92\u4ecb\u8fdb\u884c\u4f20\u8f93\u7684\u8bbe\u5907\u3002
\n3.17
\n\u6536\u53d1\u5668 transceiver
\n\u5c06\u903b\u8f91\u4fe1\u53f7\u8f6c\u6362\u6210\u7269\u7406\u4fe1\u53f7\u6216\u7269\u7406\u4fe1\u53f7\u8f6c\u6362\u6210\u903b\u8f91\u4fe1\u53f7\u7684\u8bbe\u5907\u3002<\/p>\n

4 \u7f29\u7565\u8bed<\/p>\n

ACK:\u5e94\u7b54(acknowledge)
\nCAN:\u63a7\u5236\u5668\u5c40\u57df\u7f51(controllerareanetwork)
\nCRC:\u5faa\u73af\u5197\u4f59\u6821\u9a8c(cyclicredundancycheck)
\nCSMA:\u8f7d\u6ce2\u4fa6\u542c\u591a\u8def\u8bbf\u95ee(carriersensemultipleaccess)
\nDLC:\u6570\u636e\u957f\u5ea6\u7f16\u7801(datalengthcode)
\nECU:\u7535\u5b50\u63a7\u5236\u5355\u5143(electroniccontrolunit)
\nEOF:\u5e27\u7ed3\u675f(endofframe)
\nFCE:\u6545\u969c\u754c\u5b9a\u5b9e\u4f53(faultconfinemententity)
\nIC:\u96c6\u6210\u82af\u7247(integratedcircuit)
\nLAN:\u5c40\u57df\u7f51(localareanetwork)
\nLLC:\u903b\u8f91\u94fe\u8def\u63a7\u5236(logicallinkcontrol)
\nLME:\u5c42\u7ba1\u7406\u5b9e\u4f53(layermanagemententity)
\nLPDU:\u903b\u8f91\u94fe\u8def\u63a7\u5236\u534f\u8bae\u6570\u636e\u5355\u5143(LLCprotocoldataunit)
\nLSB:\u6700\u4f4e\u6709\u6548\u4f4d(leastsignificantbit)
\nLSDU:\u903b\u8f91\u94fe\u8def\u63a7\u5236\u670d\u52a1\u6570\u636e\u5355\u5143(LLCservicedataunit)
\nLS-MAU:\u4f4e\u901f\u5a92\u4ecb\u8bbf\u95ee\u5355\u5143(low-speedmediumaccessunit)
\nMAC:\u5a92\u4ecb\u8bbf\u95ee\u63a7\u5236(mediumaccesscontrol)
\nMAU:\u5a92\u4ecb\u8bbf\u95ee\u5355\u5143(mediumaccessunit)
\nMDI:\u5a92\u4ecb\u76f8\u5173\u63a5\u53e3(mediumdependentinterface)
\nMPDU:\u5a92\u4ecb\u8bbf\u95ee\u63a7\u5236\u534f\u8bae\u6570\u636e\u5355\u5143(MACprotocoldataunit)
\nMSB:\u6700\u9ad8\u6709\u6548\u4f4d(mostsignificantbit)
\nMSDU:\u5a92\u4ecb\u8bbf\u95ee\u63a7\u5236\u670d\u52a1\u6570\u636e\u5355\u5143(MACservicedataunit)
\nNRZ:\u975e\u5f52\u96f6(non-return-to-zero)
\nOSI:\u5f00\u653e\u5f0f\u7cfb\u7edf\u4e92\u8054(opensysteminterconnection)
\nPL:\u7269\u7406\u5c42(physicallayer)
\nPLS:\u7269\u7406\u4fe1\u4ee4(physicallayersignalling)
\nPMA:\u7269\u7406\u5a92\u4ecb\u8fde\u63a5(physicalmediumattachment)
\nRTR:\u8fdc\u7a0b\u53d1\u9001\u8bf7\u6c42(remotetransmissionrequest)
\nSOF:\u5e27\u8d77\u59cb(startofframe)<\/p>\n

5 \u5f00\u653e\u5f0f\u7cfb\u7edf\u4e92\u8054(OSI)\u53c2\u8003\u6a21\u578b<\/p>\n

\u6839\u636e\u56fe2\u7684\u5f00\u653e\u5f0f\u7cfb\u7edf\u4e92\u8054\u53c2\u8003\u6a21\u578b,CAN \u67b6\u6784\u63cf\u8ff0\u4e86\u5176\u4e2d\u4e24\u5c42:
\n\u2014\u2014\u2014\u6570\u636e\u94fe\u8def\u5c42;
\n\u2014\u2014\u2014\u7269\u7406\u5c42\u3002
\n\u672c\u6587\u4ef6\u63cf\u8ff0\u4e86\u4f4e\u901f\u5bb9\u9519 CAN \u6536\u53d1\u5668\u7684\u7269\u7406\u5c42\u3002\u5bf9\u6570\u636e\u94fe\u8def\u5c42\u7684\u5f71\u54cd\u4ec5\u7ed9\u51fa\u4e86\u4e00\u90e8\u5206\u3002<\/p>\n

\u56fe 2 OSI\u53c2\u8003\u6a21\u578b\/CAN \u5c42\u7ea7\u67b6\u6784<\/p>\n

6 \u5a92\u4ecb\u76f8\u5173\u63a5\u53e3(MDI)\u8bf4\u660e<\/p>\n

6.1 \u7269\u7406\u5a92\u4ecb
\n6.1.1 \u6982\u8ff0
\n\u5e94\u7528\u4e8e CAN \u5e7f\u64ad\u5f0f\u4f20\u8f93\u7684\u7269\u7406\u5a92\u4ecb\u5e94\u4e3a\u4e00\u5bf9\u5e73\u884c(\u6216\u53cc\u7ede)\u7ebf,\u7ebf\u675f\u5c4f\u853d\u6216\u975e\u5c4f\u853d \u53d6\u51b3\u4e8e EMC \u7684 \u9700\u6c42\u3002\u5355\u6839\u603b\u7ebf\u88ab\u8868\u793a\u4e3a CAN_H \u548c CAN_L\u3002CAN_L \u7684\u663e\u6027\u72b6\u6001\u7535\u538b\u6bd4\u9690\u6027\u72b6\u6001\u7684\u7535\u538b\u4f4e,CAN_ H \u7684\u663e\u6027\u72b6\u6001\u7535\u538b\u6bd4\u9690\u6027\u72b6\u6001\u7684\u7535\u538b\u9ad8\u3002
\n6.1.2 \u8282\u70b9\u603b\u7ebf\u8fde\u63a5
\nCAN_H \u548c CAN_L \u4e24\u6761\u7ebf\u675f\u7684\u7ec8\u7aef,\u5176 \u901a\u8fc7\u7ec8\u7aef\u7684\u8282\u70b9\u5b9e\u73b0\u3002 \u6bcf\u6761\u7ebf\u675f\u7684\u603b\u7ec8\u7aef\u7535\u963b\u5e94\u5927\u4e8e\u6216 \u7b49\u4e8e100\u03a9\u3002\u7136\u800c,\u7531\u4e8e\u534a\u5bfc\u4f53\u5382\u5546\u7684\u9650\u5236,\u7279\u5b9a\u8282 \u70b9\u7684\u7ec8\u7aef\u7535\u963b\u503c\u4e0d\u5e94\u4f4e\u4e8e 500\u03a9\u3002 \u9690\u6027\u72b6\u6001\u53ef\u4ee5\u901a \u8fc7 CAN_L \u77ed\u63a5\u5230VCC,CAN_H \u77ed\u63a5\u5230 GND \u6765\u5f97\u5230,\u56fe3\u9610\u660e\u4e86\u603b\u7ebf\u8282\u70b9\u7684\u6b63\u5e38\u7ec8\u7aef\u8fde\u63a5\u3002<\/p>\n

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\u73b0\u6210\u8bd1\u6587\uff0c\u5230\u6b3e\u5373\u53d1\u3002<\/span>
\u4efb\u53d6\u6837\u9875\u9a8c\u8bc1\u8bd1\u6587\u8d28\u91cf\u3002<\/span>
\u514d\u8d39\u63d0\u4f9b\u6b63\u89c4\u589e\u503c\u7a0e\u53d1\u7968\u3002<\/span>
\u8bf7\u8054\u7cfb\u624b\u673a\/\u5fae\u4fe1: 133-0649-6964\/Email: standardtrans@foxmail.com \u8d2d\u4e70\u5b8c\u6574\u8bd1\u6587\u3002<\/span>
\u4e13\u4e1a\u6e90\u4e8e\u4e13\u6ce8|\u820d\u543e\u4e88\u8a00\u6807\u51c6\u7ffb\u8bd1\/ChinaAutoRegs\/\u59cb\u7ec8\u4e13\u6ce8\u4e8e\u673a\u52a8\u8f66\u6807\u51c6\u7ffb\u8bd1\uff01\u8fc4\u4eca\u4e3a\u6b62\u5df2\u7ffb\u8bd1\u4e0a\u5343\u4e2a\u56fd\u5185\u5916\u6c7d\u8f66\u6cd5\u89c4\u6807\u51c6\uff01\u72ec\u5bb6\u6253\u9020\u5343\u4e07\u7ea7\u6c7d\u8f66\u4e13\u4e1a\u672f\u8bed\u5e93\u548c\u8bb0\u5fc6\u5e93\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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