一种28V/开路的离散量输出电路设计  

Design of 28 V/Open Discrete Output Circuit

作　　者：高云霞 GAO Yunxia(Beijing Qingyun Aviation Instrument Co.Ltd.,Beijing 101300,China)

机构地区：[1]北京青云航空仪表有限公司,北京101300

出　　处：《通信电源技术》2023年第1期31-33,共3页Telecom Power Technology

摘　　要：首先对常用离散量接口电路的设计实现进行了分析与总结,其次结合实际工作中的应用需求给出了一种28 V/开路的离散量输出电路设计.电路采用分立元器件实现逻辑原理,能够满足负载对28 V/开路的需求,并且隔离输出与输入控制端,同时针对环境特性要求做了异常情况的设计保护,具有简洁、适用性广泛等特点.Firstly,the design and implementation of common discrete quantity interface circuit are analyzed and summarized.Secondly,a 28 V/open discrete quantity output circuit is designed according to the practical application requirements.The circuit uses discrete components to realize the logic principle,can meet the load to 28 V/open circuit requirements,and isolated output and input control terminal,at the same time according to the environmental characteristics of the requirements of the abnormal situation design protection,has the characteristics of simplicity,wide applicability.

关 键 词：离散量输出 28V/开路 分立元器件 隔离 

分 类 号：TM46[电气工程—电器]