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introduction： A relay is an electronic control device，It has a control system（Also known as input loop）And the controlled system（Also known as output loop），It is usually used in automatic control circuits，It actually uses a smaller current to control a larger current“Automatic switch”。Therefore, it plays an automatic regulation in the circuit、Security protection、Conversion circuit, etc...
2016-01-20 Reading quantity 1529
introduction： Programmable logic controller has the following distinct characteristics。 1.Easy to use，Programming Simple programmable controller ...
2016-01-20 Reading quantity 1740
introduction： Its no exaggeration to say that，From the vastness of space，To the vast ocean，Even complex engineering systems，Almost every modernization project，All sorts of sensors。Pressure sensor and liquid level sensor are the two sensors we often use，But few people know how they are directly related and different。Only by understanding the difference between pressure sensors and liquid level sensors can you better choose the type you need。The following is a small edition of the pressure sensor...
2016-01-20 Reading quantity 1643
introduction： How to check the three characteristics of the linear guide process The rolling sound of linear guide rails requires a sounder，Check the size and quality of rolling sound of linear guide rails in operation，Linear guide even if there is a slight peel and other damage，It also produces abnormal sounds and irregularities...
2016-01-14 Reading quantity 1914
introduction：1 summarize Relays are a versatile product，Widely used in home appliances，Such as air conditioner、Colour TV、icebox、Washing machine；Also used in industrial automation control and instrumentation。In electronic components，relay
2016-01-19 Reading quantity 1819
introduction： In industrial automation，Programmable controller(PLC)As an automatic control to become the equipment basis for most automation systems，At the same time, it also brought unprecedented extraordinary changes to industrial control。UsePLCThe industrial control system is compared with the traditional industrial control system with relay，In operation、Controls、Efficiency and precision and other aspects have incomparable advantages。Although relay control is used in industrial control systems...
2016-01-19 Reading quantity 1686
introduction：In-process communication equipment、Automatic device、Household appliance、Automotive electronic devices, etc., where circuit conversion function is required，Relays are available。Due to a wide range of applications，Different users on relays
2016-01-19
Reading quantity 1623
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 1652
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 1635
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 1650
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