该系统具有精确测量、数字显示、A/D转换、报警和打印等功能，并具有工作稳定性能好等优点。
The system has accurate measurement, digit display, A/D change, warning and printing functions, and it has high steady function.
本文应用数字PID控制算法设计了控制系统的软件，实现了实时控制、动态显示、数据记录、参数调整以及故障报警等控制功能。
In this article, a control system software is designed using digital PID algorithm, which realize real-time control, dynamic display, data record, parameter modulation and malfunction alert etc.
采用STD总线和模块式结构，以时序鉴别法选线技术，准确定位故障线路，并发出语音报警、灯光及数字显示。
The paper adopts STD bus and modular structure and uses sequence identification wire selection technique to correctly locate the fault lines and indicate with language alarm, light and digitals.
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