Portable test equipment based on USB technology

被引：0
|
作者：
Li, RT [1 ]
Cui, SH [1 ]
机构：
[1] Shjiazhuang Mech Engn Coll, Shijiazhuang 050003, Hebei, Peoples R China
来源：
ISTM/2003: 5TH INTERNATIONAL SYMPOSIUM ON TEST AND MEASUREMENT, VOLS 1-6, CONFERENCE PROCEEDINGS | 2003年
关键词：
D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
This paper describes the implementation of a field level test set for some kind of carrier system and analyses the hardware of the ATS based on USB1.1 interface. Aiming at some specific signals of the system, the paper introduces the circuit design of the data acquisition unit, the USB interface based on the special purpose interface chip (PDIUSB12 and AT89C52 MCU) and the interface changeover circuit between the RS-232 /USB. Depending on the new unit, we can use a notebook PC and a small box to test the system automatically and replaces the industrial control computer and the hand-operating device of the old test system.
引用
收藏
页码：451 / 454
页数：4
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