提出了采用映射原理实现模拟量通道以及开入、开出通道按需求重构的具体技术方案，并对保护装置的基本硬件结构和相关设计问题进行了讨论。
It solves the problems of reform of channels for analog signals, switch-in and switch-out signals. The hardware of protection and the relevant problems are also discussed.
该系统打破了IMP的常规使用模式，对一块模拟量imp的输入通道扩展后作数据采集。
This system breaks with the convention of IMP in extending the input channels of a analogue IMP for data collection.
本文还对汇流条控制器的模拟量输入通道、数字量输入通道、数字量输出通道进行了自检测设计，包括硬件BIT设计和软件实现方法。
The built-in test (BIT) design of hardware and software is also introduced in this dissertation. The BIT design consists of analog inputs, digital inputs and digital outputs.
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