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introduction：Principle and 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。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。The following Feng Ye Xiaobian will take you to understand the principle and application of programmable controller：
2018-01-09 Reading quantity 137
introduction：The difference between permanent magnet motor and ordinary motor is： 1、Magnetic field property。Permanent magnet motors do not require external energy to maintain their magnetic fields；Ordinary motors need an electric current to have a magnetic field。 2、Rotor structure。A permanent magnet pole is installed on the rotor of a permanent magnet motor；An exciting coil is installed on the rotor of a common motor。 3、 Applicable occasion。Permanent magnet motors are usually used in low power applications；General electric machine，Especially the exciting motor，Often used in high-power situations。 Electric machine，electric machinery，It refers to an electromagnetic device that converts or transmits electrical energy according to the law of electromagnetic induction。Use letters in a circuitMexpression，Its main function is to generate driving torque，As a power source for electrical appliances or various machinery。 Permanent magnet machine，permanent magnet motor，It is a type of motor that uses permanent magnets to crea
2018-01-09 Reading quantity 382
introduction：Everyone has one in their heart“Power source”Attitude of。My mom thinks a power source is a light bulb in the house。My dad thinks the power supply is the panel on the phone。The power source in the minds of engineers may beAC／DCcommutator。
2018-01-08 Reading quantity 352
introduction：The working principle of Honno waveform generator
2018-01-08 Reading quantity 345
introduction：24VMotor sum12VComparison of motors 12Vand24VThe main difference between motors is the use of different voltage levels，If the output power is set to the same，There are two main differences：One is24VThe required operating current of the motor will be greater than12VHalf of machine，According to the formulaP=UIIt can be easily obtained。This pair requires long connections to the motorMore useful，If necessary12VWhen the motor power input line carrying current is insufficient to the wire heating，Replace it with24VThe same power will solve the problem；The second is24VThe electromagnetic interference of the motor will be larger when it is working，But usually，This is negligible，Only in the case of more stringent requirements for electromagnetic radiation will be considered。 If the same model is the same power，Rated voltage and rated current are different。Everything else is the same
2018-01-08 Reading quantity 213
introduction：How to wire the current relay diagram 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”。The following by Feng Ye Xiaobian to take you to understand how the current relay wiring diagram。
2018-01-06 Reading quantity 473
introduction：The main purpose of the gear motor。Its a stepper motorSlow down。Natural moment increase。Youre right。The velocity is the original1/64。The torque is the original64times。The difference is a stepper motor with a gearbox。And change the original parameters of the stepper motor。 Stepper motor is an open-loop control motor that converts the electrical pulse signal into angular displacement or linear displacement，It is the main executive element in modern digital program control system，Extremely widely used。。In the case of non-overload，Speed of motor、The position of the stop depends only on the frequency and number of pulses of the pulse signal，It is not affected by changes in load，When the stepper driver receives a pulse signal，It drives the stepper motor to rotate a fixed Angle in the set direction，call“Step Angle”，Its rotation is carried out step by step at a fixed Angle。The amount of angular displacement can be controlled by controlling the number of pulses，So as to achieve the purpose of accurate positioning
2018-01-06 Reading quantity 358
introduction：smcSolenoid valve picture SMCSolenoid valve is a commonly used solenoid valve，isSMCcompany-made，SMCSolenoid valve models are varied，versatile，However, the cleanliness of the medium has higher requirements。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
2018-01-05 Reading quantity 257
introduction：What happens when the solenoid valve is broken 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 following Xiaobian will take you to understand the common faults of the solenoid valve：
2018-01-04 Reading quantity 382
introduction：Parker cylinder structure Parker cylinder Yes，A cylindrical metal part that guides the piston to move in a straight line in a cylinder。Air in the engine cylinder expands to convert thermal energy into mechanical energy；The gas in the compressor cylinder is compressed by the piston and the pressure is increased。
2017-12-22 Reading quantity 459
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