Controller Area Network - esd electronics, Inc.

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Main Rules of Bus Arbitration Bus Arbitration Principle • Bus is considered idle after transmitted message plus Intermission Field • Node that transmits message with lowest ID (highest priority) wins arbitration, continues to transmit. Competing nodes switch to receiving mode. • Nodes that lost arbitration will start new arbitration as soon as bus is free for access again => No message gets lost © esd electronics, Inc. • 525 Bernardston Road • Greenfield, MA 01301 Page 28
Bit Coding Data Transfer Synchronization • Bit coding according to Non-Return-to-Zero principle • NRZ provides highest transport capacity • Constant Bit level over Bit time • Insufficient signal edges for synchronization of Bit stream • “Bit Stuffing” required © esd electronics, Inc. • 525 Bernardston Road • Greenfield, MA 01301 Page 29
Page 1 and 2: Controller Area Network Serial Netw
Page 3 and 4: esd electronics provides: • CAN H
Page 5 and 6: Controller Area Network (CAN) Seria
Page 7 and 8: What is CAN - Technical Aspects •
Page 9 and 10: A Brief History of CAN - 2 Number o
Page 11 and 12: CAN Applications © esd electronics
Page 15 and 16: Main Benefit: Benefits of Using CAN
Page 17 and 18: Message Broadcasting with Data Fram
Page 19 and 20: Message Request with Remote Frames
Page 21 and 22: Message Frame Format - 2 © esd ele
Page 23 and 24: Bus Arbitration Principle • Bit w
Page 25 and 26: Bit Monitoring • Each transmittin
Page 27: Bus Arbitration Principle © esd el
Page 31 and 32: Frame Length Due to Bit Stuffing
Page 33 and 34: Bit Monitoring • Partitioning of
Page 35 and 36: Error Detection Analysis Probabilit
Page 37 and 38: Fault Confinement • Guarantees pr
Page 39 and 40: CAN Node Error States Fault Confine
Page 41 and 42: Bus Medium • Physical media must
Page 43 and 44: Bus Level Bus Levels according to I
Page 45 and 46: Bus Connection © esd electronics,
Page 47 and 48: Two different types of CAN applicat
Page 49 and 50: Maximum Bus Length • Bus Length i
Page 51 and 52: What you need is… CAN Development
Page 53 and 54: CAN Development Tools CANreal - Mon
Page 55 and 56: CAN Development Tools CANrepro - Re
Page 57 and 58: CAN Development Tools COBview - Ana
Page 59 and 60: Why Higher Layer Protocols…? High
Page 61 and 62: MilCAN http://milcan.org © esd ele
Page 65 and 66: CANopen Literature http://canopen.c
Page 67: Controller Area Network Serial Netw

Controller Area Network - esd electronics, Inc.

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