2005•Dianli zidonghua shebeiRequires access

Communication through USB between PC and industrial control system

Ding Feng-qi

Abstract

The serial port is normally used in the communication between PC and industrial control system.Due to the high performances of USB(Universal Serial Bus),a data acquisition system based on USB is designed.It consists of enhanced P89C61X2(single-chip computer),SJA1000(CAN controller) and ISP1581(USB2.0 interface chip).The industrial control system is based on FCS of CAN bus.The design and implementation of communication between PC and industrial control system through USB is expounded.The results show that it is practical to real-timely acquire and process the data and information from CAN through UBS communication.

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Available abstract

Key concepts: USB, USB hub, Host controller interface, Serial communication, eXtensible Host Controller Interface (xHCI), Serial port, Embedded system, Computer hardware