提出了一种继电器控制逻辑设计的新方法。
This paper proposes a new approach to the design of relay logic control circuits.
继电器是保护系统的逻辑元件，它感知故障，并使断路器解扣电路带电和断路器打开触点。
Relays are the logic elements of a protection system which sense the fault and cause the circuit-breaker trip circuits to be energized and the breakers to open their contacts.
提出了一种继电器控制逻辑设计的新方法。
Relay Control System is widely used in various kinds of machines and mechanical devices.
介绍采用PLC替代传统的继电器逻辑控制对钢管热镀锌的生产实现自动运行及故障处理。
The PLC is applicated in the steel tube galvanization process replace of traditional relay logic control to realize the automatic operation and fault treatment.
它由自耦变压器、数字逻辑电路和低压小继电器电路组成。
This device consists of self-coupling transfer, digital logic circuit and low voltage relay circuit.
现有的韶山型电力机车空气制动系统大都采用DK—1型电空制动机作为控制部件，其核心是采用继电器有触点逻辑控制。
Existing electric locomotive air brakes of Shao Shan types are mostly used DK-1 model electric-air braking machine as control component, its core is to adopt the relay and touch logic control.
很多产品都是由继电器逻辑组成。
使用S7-200系列可编程序控制器（PLC）代替原来的继电器控制逻辑，实现了配料的自动控制。
Substitutes S7-200 series of PLC for relay control logic, realizes the automatic control for batching.
然而由于PLC成本高，操作复杂，对于简单逻辑控制，目前仍然以继电器控制为主。
PLC has high price and complex operation. So the relay is always used in simple logic control.
老式龙门刨床的电控部份采用继电器逻辑控制，线路复杂，故障率高，查找故障困难。
Relay logic control is used in old planer, and its circuitry is complicated, so the malfunction rate is high, and it is difficult to find the malfunction out.
我国矿井提升绞车大多是采用交流异步电机拖动，其电气控制系统采用转子串、切电阻调速，由继电器-接触器构成逻辑控制装置。
China's mines are hoist AC Induction Motor Drive, and its electrical control system uses a rotor series, cutting speed resistance , by the relay - contactor control devices constitute a logical.
以往的电梯大多采用“继电器逻辑”控制，这种控制故障率高，改造困难。
Previous elevator is used mostly "relay logic" control, this control failure rate is high, transformation difficulty.
本文将机车继电器控制电路等效为数字组合逻辑电路，建立了它的固定故障等效模型。
The electric locomotive bang-bang circuit is converted into an equivalent digitalcombinational logic circuit for setting up its stuck-at fault model.
通过继电器逻辑和变频器的泵控制功能实现了四种工作模式和恒压供水功能。
Four types of operation mode and isobaric water supply function by using relay logic and inverter's pump control function are realized.
有四个逻辑输入口和四个继电器，使界面连接闭包和RS- 232、RS - 485串行端口。
It offers four logical inputs and four relays for interfacing to contact closures and RS-232 and RS-485 serial ports.
操作表示机是计算机联锁系统中关键的人机界面设备，硬件上利用继电器组成的逻辑电路，实现双机热备的倒机逻辑控制和设备接口电缆的动态切换。
Therefore it is necessary to perfect the existing relay equipment based on the rule of fault-safety in order to achieve the function of railway signal computer-based interlocking control system.
介绍了SIEMENS逻辑模块LOGO在行车抓斗电控中的运用，并将LOGO控制与直流继电器控制进行了比较。
Application of SIEMENS logic module LOGO on bucket electrical control in overhead crane driving was introduced.
介绍了SIEMENS逻辑模块LOGO在行车抓斗电控中的运用，并将LOGO控制与直流继电器控制进行了比较。
Application of SIEMENS logic module LOGO on bucket electrical control in overhead crane driving was introduced.
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