This system has offered a new thinking for design of the monitoring system of hydroelectric power station.
该系统为水电站LCU监控系统的设计提供了一条新思路。
The structure and characteristics of the hardware redundancy, the principle of the software redundancy and its realization are illustrated in detail.
本文设计了一种基于西门子57一400系列可编程逻辑控制器的机组LCU双冗余控制。
MuDanJiang hydropower plant computer monitoring system uses open systems, hierarchical and distributed structure, system from the plant control level and control level Location control unit (LCU) constitute.
牡丹江水电厂计算机监控系统采用开放式系统、分层分布式结构，系统由电厂控制级和现地单元控制级（LCU）构成。
Asynchronous serial communication is adopted between PC and LCU via RS-232 port, modem and public telephone line.
上位管理PC机与下位单片机8031之间采用异步串行通信方式，单片机借助RS-232经过Modem链接到公用电话线实现数据通信。
Station computer monitoring system is divided into two levels, one level for the power station management PC, or master control station industrial control machine; another level object-oriented control of the local control unit LCU.
水电站计算机监控系统分为2个层次，一个层次为电站管理层的上位机，即主控站工业控制机；另一个层次为面向控制对象的当地控制单元LCU。
In the second part, the system constitution of the LCU, the working performance and application environment of the microcomputer, and the trapezia chart that incarnates Boolean calculation relationship of the controlled object, are relatively detailedly elaborated.
在本文的第二章，较为详细地阐述逻辑控制单元的系统组成、微处理器的工作性能和开发环境以及体现系统逻辑运算关系的梯形图。
Logic control unit based on computer technologies is able to better the control performances of locomotive and improve its reliability dramatically, compared with traditional relay control system.
采用计算机技术构造的逻辑控制单元（LCU）取代电力机车继电器控制电路能够极大地改善机车的控制性能，提高机车运行的可靠性。
This paper introduces the design and application of CAN bus communication system in logic control unit.
文章简要介绍了CAN总线通信系统在LCU系统中的设计和应用。
The study and manufacture of LCU consists of central control module, distributed intelligent I/O modules and multi-COM module.
本课题研制的现地控制单元包括主控模件、分布式智能I/O模件以及多串口模件。
The system used touch screen as human-machine interface in LCU and configurations were made according to the system function, including the interface of generator sets, open and stop control, temperature monitoring interface and the alarm window interface.
系统采用触摸屏作为现地控制单元的人机界面，并根据要实现的功能，其软件部分的程序设计来实现机组的开停机控制功能。
LCU Design Principle and Realization of the Main Logic Protection of Longtan Hydropower Station
龙滩水电站LCU设计原则及主要保护逻辑的实现
Host computer communicates with the monitor unit and the protection unit of LCUs through the CAN bus. PLC in LCU communicates with host computer through the RS-485 port.
主控计算机与各LCU中的监控单元和保护单元通过CAN总线通信，LCU中的PLC通过RS-485接口与主控计算机通信。
He's still in lCU.
他还在深切治疗部，情况还不明朗
If there is software associated with the LCU, it is then called a front-end processor.
如果DTE有与LCU相关的软件，则称为前端处理机。
Who, at the peak of happiness, can remember the number of Cupid, or any of the fun days around LCU
在幸福的峰巅，谁还记得住爱神的电話号码，谁还記得住周围许多有趣的曰子。
LCU logic control unit and the use of microcomputer control system, so that locomotive control system has control, diagnosis, monitoring.
采用LCU逻辑控制单元及微机控制系统，使机车控制系统具有控制、诊断、监测功能。
Because there are two input boards and two output boards at each LCU in this design, the programming of each one must be different.
论文阐述了LCU的硬件结构，用汇编语言设计出了LCU的软件程序，主要是两个模块：控制程序和通信程序。
The reform of LCU for the first unit only took 20 days.
首台机组LCU改造实施仅用了20d时间。
In the Local Control Unit (LCU), with the help of PLC, we achieved many assignment, such as the automatic control program, power modulation connecting to the power network at the same term, monitoring the rotate speed of generator, and so on.
系统为上、下两级结构，本文在下位机即现地控制单元（LCU）中，采用PLC设计并实现了水轮机组的自动程序控制、功率调节、同期并网及发电机转速的监控等任。
A fault tolerant computer monitoring and control system for power plants based on Siemens S7-400 PLC is introduced.
介绍了具有容错功能的西门子S7-400可编程逻辑控制器（PLC）构成的现地控制单元（LCU）的发电厂计算机监控系统。