常州工学院学报
常州工學院學報
상주공학원학보
JOURNAL OF CHANGZHOU INSTITUTE OF TECHNOLOGY
2014年
2期
32-36
,共5页
门禁闸机%CAN总线%PIC18F4680%CANopen协议%多主通信
門禁閘機%CAN總線%PIC18F4680%CANopen協議%多主通信
문금갑궤%CAN총선%PIC18F4680%CANopen협의%다주통신
Access Gates%CAN bus%PIC18F4680%CANopen protocol%multi-host communication
针对门禁闸机系统中数据通信问题，设计了一种基于CANopen协议的多主通信系统。在基于PIC18F4680单片机的门禁闸机控制系统组成的基础上，应用CANopen协议中的PDO、SDO、NMT通信对象，实现了多主通信系统的数据传输、指令发送、参数修改等操作，实验结果表明，该系统数据通信稳定可靠、传送速度快。
針對門禁閘機繫統中數據通信問題，設計瞭一種基于CANopen協議的多主通信繫統。在基于PIC18F4680單片機的門禁閘機控製繫統組成的基礎上，應用CANopen協議中的PDO、SDO、NMT通信對象，實現瞭多主通信繫統的數據傳輸、指令髮送、參數脩改等操作，實驗結果錶明，該繫統數據通信穩定可靠、傳送速度快。
침대문금갑궤계통중수거통신문제，설계료일충기우CANopen협의적다주통신계통。재기우PIC18F4680단편궤적문금갑궤공제계통조성적기출상，응용CANopen협의중적PDO、SDO、NMT통신대상，실현료다주통신계통적수거전수、지령발송、삼수수개등조작，실험결과표명，해계통수거통신은정가고、전송속도쾌。
For the problems of data communication in the system of Access Gates, a new multi-host communication system based on CANopen protocol is designed.Firstly, the composition of Access Gates control system based on PIC18F4680 single-chip microcontroller is presented.Secondly,communication ob-ject PDO,SDO and NMT in CANopen protocol are used,so a series of operations including data transmit-ting,instruction sending and value modifying are realized.The experimental result shows the system′s relia-ble stability and rapid information transfer in course of data communication.
