有源应答器C1接口硬件电路设计

赵亮, 陈永刚. 有源应答器C1接口硬件电路设计[J]. 铁路计算机应用, 2009, 18(12): 34-36.

引用本文:

赵亮, 陈永刚. 有源应答器C1接口硬件电路设计[J]. 铁路计算机应用, 2009, 18(12): 34-36.

ZHAO Liang, CHEN Yong-gang. Design on hardware electric circuit in C1 interface of balise[J]. Railway Computer Application, 2009, 18(12): 34-36.

Citation:

ZHAO Liang, CHEN Yong-gang. Design on hardware electric circuit in C1 interface of balise[J]. Railway Computer Application, 2009, 18(12): 34-36.

Design on hardware electric circuit in C1 interface of balise

摘要: 针对RS-485链路和有源应答器C1接口采用不同的电平,提供一种标准转换方案,采用MAX485与FPGA芯片搭配的方式,在硬件上实现电平标准转换.在对MAX485芯片分析的基础上,设计出相应的外围硬件电路,采用TLP521芯片实现光耦隔离,避免电磁干扰或雷击损坏设备.

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