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introduction： A relay is an electrical control device，Is when the input quantity(Excitation quantity)When the changes meet the specified requirements，An appliance that causes a predetermined step change in a controlled quantity in an electrical output circuit。What does a relay do?The following Xiaobian will introduce it in detail，I hope I can help you。 Function of relay
2016-01-14 Reading quantity 1680
introduction：This article gives an introduction to the classification of sensors Classification by being measured one、Physical quantity sensor ...
2016-01-14 Reading quantity 1706
introduction：Relay is a kind of control equipment commonly used in our life，In the popular sense, it is a switch，Turn off or on when conditions are met。The switching characteristics of relays are widely used in many control systems, especially in discrete control systems。From another perspective，An electronic circuit designed for use in a particular purpose，Eventually, more or less, you need to interact with some kind of mechanical device，So relays also play an interface role between electronic equipment and mechanical equipment。
2016-01-14 Reading quantity 1880
introduction： Contactors are mainly used for primary circuits，Can pass through a large current(It can range from a few hundred to over a thousandA)，Relays are used for secondary circuits only through small currents(A fewAInto the teensA)，Realize various control functions，The relay has many contacts，There are also many kinds.，Time relay，Ac relay，The classification of electromagnetic relays is very fine，It is mainly used for secondary protection with large contactor current，Primary ferromagnetic coil and main contact。...
2016-01-14 Reading quantity 1723
introduction： A relay is an electrical control device。It has a control system(Also known as input loop)And the controlled system(Also known as output loop)The interaction between。It is usually used in automatic control circuits，It actually uses a small current to control the operation of a large current“Automatic switch”。Therefore, it plays an automatic regulation in the circuit、Security protection、Conversion circuit, etc。
2016-01-14
Reading quantity 1611
introduction： Stepping relays are also electromagnetic relays，However, it is very different from the general electromagnetic relay。General electromagnetic relay when the coil is energized，Its contact action，The contact will change from normal...
2016-01-14 Reading quantity 1549
introduction： Multiple relays are supplied in parallel and in series When multiple relays are supplied in parallel，High reverse peak voltage(High inductance)The relay will discharge to a relay with a low peak voltage，Its release time will be extended，Therefore, it is best to control each relay separately and then parallel in order to eliminate mutual influence。
2016-01-14 Reading quantity 1646
introduction：Abstract：The servo system of the machine tool is in addition to the user installed origin switch，Servo motor and encoder zero，Each revolution of the servo motor generates an encoder zero signal。 &n...
2016-01-13 Reading quantity 2366
introduction：What causes the engraving machine spindle to be damaged？
2016-01-06 Reading quantity 3001
introduction：How to remove the sudden alarm failure of CNC woodworking engraving machine
2016-01-06 Reading quantity 2310
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