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introduction：one、Voltage quick break protection： When a short circuit fault occurs in the line，Bus voltage drops sharply，When the voltage drops to the voltage protection setting，Low voltage relay operation，Trip circuit breaker，Instantaneous excision fault。This is voltage break protection。 two、Current velocity break protection： Current rate break protection is divided into unlimited current rate break and time limit current rate break，When the line fails，No time limit break protection can be instantaneous action，But its only part of the line，The current rate break protection with time limit can protect the whole line and the time limit break protection with time limit is larger than the next level of the line without time limit protection，So when a short circuit occurs at the head end of the next line，Protection does not misoperate。
2017-12-08 Reading quantity 244
introduction：Industrial production is almost inseparable from the frequency converter，The emergence of inverter for industrial automation control、Motor energy saving has brought new changes。Siemens Inverter as the Siemens inverter industry leader，Has been widely used in our daily life，elevator、Variable frequency air conditioning and so on，Behind these necessities of life are the tireless efforts of Siemens inverters。Here is to understand the Siemens inverter installation and commissioning method。
2017-12-08 Reading quantity 377
introduction：What are the programmable controllers Programmable controller for shortPCorPLCIt is an electronic system for numerical operation，Specifically designed for use in industrial environments。It uses a memory that can be programmed，Used to store logical operations and sequence control during execution、timing、Instructions for counting and arithmetic operations，And through digital or analog input(I)Sum output(O)port，Control various types of machinery or production processes。Programmable controller is developed on the basis of electrical control technology and computer technology，And gradually developed into a microprocessor as the core，Automation technology、Computer technology、New industrial control device integrated with communication technology。
2017-12-08 Reading quantity 404
introduction：Application of programmable controller Programmable controller for shortPCorPLCIt is an electronic system for numerical operation，Specifically designed for use in industrial environments。It uses a memory that can be programmed，Used to store logical operations and sequence control during execution、timing、Instructions for counting and arithmetic operations，And through digital or analog input(I)Sum output(O)port，Control various types of machinery or production processes。
2017-12-08 Reading quantity 349
introduction：Solenoid valve price Solenoid valves are industrial equipment controlled by electromagnetism，It is a basic element of automation used to control fluids，actuator，Not limited to hydraulics、pneumatic。Used in industrial control systems to adjust the direction of media、Flow rate、Speed and other parameters。The solenoid valve can be combined with different circuits to achieve the desired control，The accuracy and flexibility of the control can be guaranteed。There are many kinds of solenoid valves，Different solenoid valves play a role in different positions of the control system，Commonly used is a check valve、Safety valve、Directional control valve、Speed regulating valve, etc。Due to the change price of parts in the automation industry is relatively large，The solenoid valve price is not given below，If you want to know, you can visit the home page of our website Fengye Mall。
2017-12-07 Reading quantity 283
introduction：Hydraulic solenoid valve Hydraulic solenoid valve is used to control the basic components of automation fluid，actuator；Not limited to hydraulics，pneumatic。The solenoid valve is used to control the direction of hydraulic flow，Machinery in factories is generally controlled by hydraulic cylinders，Thats where the solenoid valve comes in。
2017-12-07 Reading quantity 266
introduction：carloCurrent relay carloA current 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。
2017-12-07 Reading quantity 336
introduction：Current relay wiring diagram The working principle and characteristics of electromagnetic relay：Electromagnetic relays generally consist of an iron core、coil、armature、Contact reed and other components。Just apply a voltage to both ends of the coil，A certain amount of current will flow through the coil，This creates an electromagnetic effect，The armature will overcome the tension of the return spring and draw towards the core under the action of electromagnetic force，Thus drive the moving contact and static contact of the armature（Normally open contact）actuation。When the coil is powered off，The electromagnetic pull also disappears，The armature will return to its original position under the reaction force of the spring，Make the moving contact with the original static contact（Normally closed contact）actuation。Suction like this、Release，Thus, the conduction in the circuit is achieved、Purpose of severing。The following Xiaobian takes you to look at the current relay wiring diagram。
2017-12-07 Reading quantity 264
introduction：AmericaMTSDisplacement Sensor Systems was founded1951years，It has rapidly developed into a market leader in mechanical testing and mechanical simulation systems and industrial automation measurement。AmericaMTSDisplacement sensorSystems Company is on the market to provide magnetostriction（MagnetoSTrictive）Pioneer in displacement measurement technology，Its innovation technology and technical support MTS The company has been in a leading position in the market，And in a number of countries set up branches or offices，And set up Guangzhou Nanchuang sensor division in China，It can provide the best service and solution for the users experiment and production。MTScompany-produced Tempo Sonics Magnetostrictive linear displacement sensors are suitable for many different industrial automation industries，To provide an innovative and reliable quality option for the precise measurement requirements of the industry。from70Date of development，More than a million sensors have been installed in various industrial environments。
2017-12-06 Reading quantity 272
introduction：leserHigh pressure safety valve High pressure safety valve is a kind of safety protection valve，Its opening and closing parts are in a normally closed state under the action of external forces，When the medium pressure in the equipment or pipe rises，It automatically opens when the specified value is exceeded，Prevent medium pressure in pipelines or equipment from exceeding specified values by discharging medium outside the system。
2017-12-06 Reading quantity 212
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