The automatic test system which can measure action time and release time of the relay is designed.
设计了测量继电器动作时间与释放时间的自动测试系统。
An automatic calibrating system is successfully developed to check the performance indexes of specific relay protection testing equipment.
研制了一种用于检定某型号继电保护测试设备性能指标是否满足设计要求的自动检定系统。
Taking the CW6140-general machine tools as an example, the analysis and design methods of reconstructing the relay control into automatic control system by PLC were introduced.
以常用的CW6140型普通机床为例，介绍利用P LC把继电控制改造为自动控制的分析与设计方法。
Firstly, the L-PLC automatic meter reading system is introduced, and the network topology of this system is analyzed. Then we make a brief description of relay technology which applies to this system.
本文首先对低压电力线载波抄表系统进行了介绍，分析了其系统结构和网络拓扑结构，并对其应用的中继技术做了简要的说明。
NALC type automatic gas relay test bed, using the latest embedded system control technology, integrated user's actual needs and introduced a new generation of gas relay test detection system.
NALC型气体继电器检测台，采用最新的嵌入式系统控制技术，综合用户的实际需求而推出的新一代气体继电器试验检测系统。
NALC type automatic gas relay test bed, using the latest embedded system control technology, integrated user's actual needs and introduced a new generation of gas relay test detection system.
NALC型气体继电器检测台，采用最新的嵌入式系统控制技术，综合用户的实际需求而推出的新一代气体继电器试验检测系统。
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