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introduction：According to the definition of the sensor in our countrys national standard，A sensor is a device or device that can feel the specified measured signal and convert it into a usable output signal according to a certain law，Usually the sensor is known as the sensing element and the conversion element。The sensitive element refers to the part that can directly feel the measured part；The conversion element refers to the part of the sensor that can convert the output of the sensitive element into an electrical signal suitable for transmission and measurement。 Highly developed in information technology...
2016-03-09 Reading quantity 1811
introduction： The system should first calculate the input according to the control requirements、exportation（I/O）points，And in the selectionPLCReserve points on the basis of actual need10%Margin of，In case of system expansion or transformation。 PLC，It was developed on the basis of relays and computers，And gradually developed into a microprocessor as the core，Automation technology、Computer technology...
2016-03-09 Reading quantity 1806
introduction：Ball bearings and roller bearings are rolling bearings，The simplest thing to say about a rolling object is a ball，Thats a steel ball。The other rolling element is a steel column。 Ball bearing： roll...
2016-03-09 Reading quantity 1631
introduction： Programmable controller has strong anti-interference ability，High reliability，Easy to program，High cost performance，It is more and more widely used in the field of industrial control。 Central control unit and lower machinePLCSerial communication is used for data exchange，Usually the distance between1000mInternal selection485Twisted pair communication mode，Optical fiber communication can be used for more common distances，...
2016-03-09 Reading quantity 1791
introduction：Deep groove ball bearings are the most commonly used rolling bearings。Simple structure，Easy to use。Mainly used to accept radial loads，But when the bearing radial clearance is increased，It has certain angular contact ball bearing performance，Acceptable path、Axial combined load。 High speed and should not be used to push...
2016-03-09 Reading quantity 1722
introduction：catalogue 1Performance characteristics of decelerating motor2Application of decelerating motor3The type of decelerating motor is indicated 1Performance characteristics of decelerating motor The gear motor is designed on the basis of modular combination system, An awful lot...
2016-03-09 Reading quantity 1830
introduction： Everyone knows there is a difference between a relay and a contactor，So whats the difference？What is a contactor？What failures will occur？ relay：For control circuit、Low current，No arc-extinguishing device，It can be operated under the action of electricity or non-electricity。 &n...
2016-03-09 Reading quantity 1839
introduction： On the spot，Frequency converter interference appears more，And relatively serious，Even the control system can not be put into use。The working principle of the frequency converter is destined to produce strong electromagnetic interference。 The frequency converter includes a rectifier circuit and an inverter circuit，The input alternating current passes through a rectifier circuit and a flat wave loop，Convert to DC voltage，Then the DC voltage is transferred through the inverter...
2016-03-09 Reading quantity 1808
introduction： Electric control system Automatic tension system is equipped with a special electric control box，A tension gauge is installed on the panel of the electronic control unit、LEDPilot lamp，The operation of the equipment is reported to the operator in real time in order to understand the operation status of the equipment；There are various transfer switches and control buttons under it；Electric control unit is installed insidePLC、Intermediate relay、The contactor can control the automatic tensioning device。amongPLCIs the core of control，The control system outputs a set of normally open contacts for the control oil pump，There are also tension normal and broken tape output normal...
2016-03-09 Reading quantity 1841
introduction：A solid state relay is an electronic switch with an isolating function，It is composed of semiconductor devices and passive components，The control circuit is realized by optoelectronic and microelectronic technology(Input end)And load circuit(Output end)Between electrical coupling and electrical isolation，There are no moving parts。Solid state relays have the same functions as electromagnetic relays，It is also compatible with logic circuits、Fast switching speed、The output on-resistance is stable、Strong anti-interference ability、Little interference to the outside world、Long life、Outstanding features of high working reliability。...
2016-03-09 Reading quantity 1823
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