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introduction：Abstract：Programmable controller(PLC)It is a new type of general automation control device，It will be traditional relay control technology、Computer technology and communication technology are integrated，It has strong control function，High reliability，Flexible and convenient，Easy to expand and other advantages and more widely used。However, the working environment of the industrial production site is harsh when used，Numerous sources of interference，For example, the start or stop of high-power electrical equipment causes the fluctuation of power grid voltage to form low-frequency interference，Electric welding machine、Electric discharge machining...
2016-01-19 Reading quantity 1646
introduction： 1. Basic principle Programmable controller，English nameProgrammableLogicController，For shortPLC。PLCIts based on electronic computers，And suitable for industrial field work electrical controller。It originates from the relay control unit，But its not like a relay，Through the physics of the circuit...
2016-01-19 Reading quantity 1627
introduction： one、The eight steps of programming （one）Determine the actions and sequence required by the system。 When using a programmable controller，The most important part is to determine the input required by the system...
2016-01-18 Reading quantity 1645
introduction： 1. To maintain the initial performance of the relay，Care should be taken to avoid mechanical failures such as dropping or bumping relays。
2. Under normal use，Do not disassemble the enclosure of the relay setup，Or else，The initial performance of the relay cannot be guaranteed。
2016-01-18
Reading quantity 1622
introduction： Parse the power authentication identifier What do players pay most attention to when purchasing power？brand？power？Or wire？I dont know if you have carefully looked at the power supply nameplate，Once we get a power supply，You can learn a lot from the power supply nameplate，And theselogoRepresentative meaning，Do you know what you can withdraw？If you still have it...
2016-01-18 Reading quantity 2045
introduction： Power supply basics Q&A,Power supply basics must read 1、What is the basic working principle of power supply？ a：By running high frequency switching technology...
2016-01-18 Reading quantity 1578
introduction： Programmable controller（PLC）It is a new type of general automation control device，It will be traditional relay control technology、Computer technology and communication technology are integrated，It has strong control function，Can be*High sex，Flexible and convenient，Easy to expand and other advantages and more widely used。However, the working environment of the industrial production site is harsh when used，Numerous sources of interference，For example, the start or stop of high-power electrical equipment causes the grid voltage...
2016-01-18 Reading quantity 1696
introduction： In the design of programmable logic controller system，The control scheme should first be determined，The next step is the programmable logic controller engineering design and selection。Process characteristics and application requirements are the main basis for design and selection。The programmable logic controller and related equipment shall be integrated、standard，In accordance with easy to form a whole with industrial control systems，Easy to expand its function of the principle of selection of the selection of programmable logic controller should be...
2016-01-18 Reading quantity 1782
introduction：PLCA programmable controller is a class of programmable memory，For its internal stored program，Perform logical operation,Sequential control，timing，User-oriented instructions such as counting and arithmetic operations，And through digital or analog input/Outputs control various types of machinery or production processes。Its full English nameProgrammableLogicController,Chinese full name programmable logic controller，The definition is...:An electronic system for numerical operations，Designed for use in industrial environments。
2016-01-18
Reading quantity 1607
introduction：This article describes the working principle and characteristics of relays with basic knowledge of relays.
Relay basic knowledge explained：
one、The working principle and characteristics of relays
2016-01-18
Reading quantity 1630
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