slave circuit

ASI system consists of the master, the slave and the transmission system. The transmission system is made up of the two wire ASI cable, ASI power supply and the data decoupling circuit.

ASI总线系统由主站、从站和传输系统3部分组成，而传输系统又由两芯ASI电缆、ASI电源和数据解耦电路构成。

The implementation method and circuit structure as well as principle of branch topological structure in master slave communication are introduced in this paper.

介绍分支拓扑结构在主从式多机通信中的实现方法，电路结构及工作原理。

STD bus type Master/ Slave CPU intelligent process method is used to realize Large scale switch variable deflection signal testing. The information is processed by using response logical circuit in hardware interface of I/ O testing system.

本文采用了STD总线式的主从CPU智能化处理方法，实现大规模开关量变位信号的检测，在I／O检测系统的硬件接口中采用应答逻辑电路进行信息的处理。