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实用新型
CN206833211U 基于Cortex-M0架构的多通道开关量检测控制电路 失效 - 权利终止

基于Cortex-M0架构的多通道开关量检测控制电路
摘要：
本实用新型公开了基于Cortex-M0架构的多通道开关量检测控制电路，包括：RS485通讯单元，用于实现磁隔离、TTL信号与差分信号之间的转换；电流转换单元，接收CPU处理单元的控制信号实现电流通道的切换；ADDR地址单元，通过CPU处理单元控制选址；开入单元，用于对开入信号进行处理并传送给CPU处理单元，开出单元、用于接收CPU处理单元的开出信号并对其进行处理输出；LED指示单元，包括CPU供电指示单元和开出LED显示单元，分别用于对CPU处理单元供电和开出信号进行指示；CPU处理单元，接收ADDR地址单元、开出单元和开入单元的信号并电流转换单元和CPU供电LED指示单元进行控制，通过RS485通讯单元与外部实现通讯。本实用新型安全性高，电路简单易实用，有较好应用前景。
摘要（英）：

The utility model discloses a multi -channel switch volume detects control circuit based on cortex M0 framework, include: the RS485 communication unit for realize the conversion between magnetism isolation, TTL signal and the differential signal, the current switchover unit, the control signal who receives CPU processing unit realizes current channel's switching, ADDR address unit is through CPUprocessing unit control site selection, open the unit for run from opposite directions and handle and send to CPU processing unit into the signal, leave the unit, be used for to receive leaving the signal and handling output to it of CPU processing unit, LED indicating units includes CPU power supply indicating units and leaves LED display element, being used for the CPU processing unit power supply respectively and leaving the signal and instructs, CPU processing unit, receipt ADDR address unit, the signal of leaving unit and division income unit and current switchover unit and CPU power supply LED indicating units control, through RS485 communication unit and outside realization communication. The utility model discloses the security is high, and the circuit is simply easy practical, hasbetter application prospect.

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