前端设备：一种把一些通信线路与计算机系统联接起来的传输控制单元。
Front-end device: a transmission control unit that links a number of communication lines to a computer system.
中间层由带以太网接口的现场控制单元设备PLC组成；
The middle layer is composed of the field control unit device PLC with Ethernet interfaces.
一种用于控制用于照明设备的电源的开关电路，方法和控制单元(1)。
A switching circuit, method and control unit (1) for controlling electric power supply for lighting fixtures.
多点控制单元(MCU)作为H . 323的一个主要部件，是进行多点会议的核心设备。
MCU (multipoint Control Unit), as one of H. 323 components, is the core equipment in multipoint conference.
这是不一定的情况下，可以区分名义或功能只，并在控制单元的物理意义上的便携式设备可以整体建造。
This is not necessarily the case, for the distinction could be notional or functional only, and the portable device could be integrally constructed in a physical sense with the control unit.
便携设备24，然后放置在与控制单元的70通信。
The portable device 24 is then placed in communication with the control unit 70.
空心阴极焊接设备由空心阴极焊枪、真空系统、焊接电源、气体流量控制单元、总控制箱组成。
This welding equipment consists of hollow cathode welding torch, vacuum system, welding power source, gas flow control unit and compact control device.
医用X光机是医疗、医学科研单位的先进设备，其中的图像处理和控制单元负责对X射线图像进行处理和分析，以便于进行临床诊断。
The image processing and control unit in it is responsible for processing and analyzing the X-ray image to meet the need of clinic diagnosis.
但是当环线、多个扩频电台、中央控制单元(“集中式”移动闭塞系统)等设备出现故障时，系统将无法工作在ATC模式下。
But when loops, several spread-spectrum radios and centre control unit (moving block system with 'centralized' structure) fail, the system can not be running in the ATC mode.
本发明提供了一种设备控制系统，其能够自动切换控制单元以消除设备的停止时间，并增加设备的利用效率。
The present invention provides a device control system that can automatically switch the control units to eliminate the stop time of a device, and increase the utilization efficiency of the device.
空心阴极焊接设备由空心阴极焊枪、真空系统、焊接电源、气体流量控制单元、总控制箱组成。
This welding equipment consists of hollow cathode welding torch, vacuum system, welding power source, gas flow control unit and compact control dev...
介绍了OMRON运动控制系统中MC421/221运动控制单元在高速卷绕设备上的应用，阐述了OMRON运动控制系统的基本结构，并对MC运动控制单元的程序编制方法和硬件组成作了较详细的说明。
This article introduces the application of OMRON motion unit MC421/221 in high speed winding machine and gives a detail description in program and hardware.
介绍了OMRON运动控制系统中MC421/221运动控制单元在高速卷绕设备上的应用，阐述了OMRON运动控制系统的基本结构，并对MC运动控制单元的程序编制方法和硬件组成作了较详细的说明。
This article introduces the application of OMRON motion unit MC421/221 in high speed winding machine and gives a detail description in program and hardware.
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