基于CPCI 的某电源设备多通道测试诊断系统

针对现有测试方法不能满足搜索雷达电源的维修保障需求的问题，设计一种基于 CPCI 总线的多通道测试诊断系统。该系统采用AD210芯片对被测信号进行隔离，利用CPCI8622多功能采集卡将隔离后的模拟电压信号转换为数字信号，最终通过CPCI总线传输至PC工控机，并由测试软件对获取的数据信息进行综合分析和判断。实验结果表明：该系统具有操作简单、携带方便、测试精度高、故障诊断快速准确等特点，实现了参数在线测试和故障诊断功能，能够满足多种环境对雷达电源测试的要求。

Multi-channel Testing and Diagnosis System for Certain Type Power Based on CPCI

Aiming at the problem that the current detection method can’t meet the needs of the maintenance of the search-radar power supply, a multi-channel testing and diagnosis system based on CPCI bus is designed. The system uses AD210 chip to isolate the measured signal, and uses the CPCI8622 multi-function acquisition card to convert analog voltage signals into digital signals. At last, the digital signals are transmitted to the PC industrial control computer through the CPCI bus, in addition, analyzed and judged by the test software. The experiment results show that the system has the characteristics of convenient operation, portability, high precision, fast and accurate fault diagnosis, and the system realizes the function of parameter online testing and fault diagnosis, and meet the test requirements of radar power in a variety of environments.