讨论了直流接触器电磁适配及弱电控制的原理、特点。
The principles and characteristics of electromagnetic adaptability and weak_electric control of DC contactors are presented.
实践证明该系统可靠性高，工作稳定，成本低，实现了弱电控制强电，有较高的应用价值。
Practice prove that the system has high reliability, stability and low cost, a strong, weak control and higher value are achieved.
指出了固态继电器(SSR)是一种以弱电控制强电的理想器件，在单片机测控系统中应用极广。
Solid state relay (SSR) is ideal equipment that using weak power to control strong power, which has extensive application in SCM measuring and controlling system.
硬件部分主要完成系统的强弱电控制，获取机车的各项被测参数的实时值并进行相应的处理分析。
The hardware part mainly completes the system's strong and weak electricity control, gains locomotives' real-time values of each parameter and does respective processing analysis.
硬件部分主要完成系统的强弱电控制，获取机车的各项被测参数的实时值并进行相应的处理分析。
The hardware part mainly completes the system's strong and weak electricity control, gains locomotives' real-time values of each parameter and does respective processing analysis.
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