一种usb转rs422转换器

Converter for converting USB level to RS422 differential level

Abstract

本实用新型涉及一种USB转RS422转换器,用于风能变流器和PC机之间的USB电平和RS422差分电平的转换。本实用新型包括USB接口、转换电路和RS422通信接口;所述的USB接口、转换电路和RS422通信接口依次电连接。本实用新型可以实现后台PC机与风能变流器进行有效的数据交换,同时对转换器中TTL电平信号进行光耦隔离处理,减少信号间的串扰,提高数据高速交换的可靠性,能够很好地满足市场的需要。
The utility model relates to a converter for converting USB level to RS422 differential level. The converter is used for converting the USB level between a wind energy current transformer and a PC machine to an RS422 differential level. The converter comprises a USB interface, a converting circuit and an RS422 communication interface which are electrically connected in sequence. The utility model can achieve effective data exchange between a background PC machine and the wind energy current transformer, meanwhile can carry out light-coupled isolation treatment to TTL level signals in the converter, reduce interferences among signals, improve the reliability of high-speed exchange of data, and well meet market requirements.

Claims

Description

Topics

Download Full PDF Version (Non-Commercial Use)

Patent Citations (0)

    Publication numberPublication dateAssigneeTitle

NO-Patent Citations (0)

    Title

Cited By (2)

    Publication numberPublication dateAssigneeTitle
    CN-102855211-AJanuary 02, 2013浙江禾川科技股份有限公司通用串行总线—平衡电压数字接口转换器
    CN-102855211-BApril 22, 2015浙江禾川科技股份有限公司通用串行总线—平衡电压数字接口转换器