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introduction： 1、PLCTechnical element 1.Power line network unit(PNU)It is responsible for controlling the power line network and integrating traffic from the unit distribution network。Through the appropriate telecommunication trunk interface，PNUTraffic is then transmitted to the feed network。Used in credential feeding networks...
2016-02-29 Reading quantity 1651
introduction： As far as the eye can see，Sensors are evolving rapidly，Has permeated every aspect of life。And technology continues to evolve，The variety of sensors is constantly growing，New products are constantly being developed，Applied to industry and life。And today I make up the pressure sensor and liquid level sensor，To introduce the difference between the two in use，For better use。
2016-02-29 Reading quantity 1692
introduction： 1.What is a solid-state relay，What are the advantages and disadvantages?? Solid-state relay(Also known as solid state relay)The English name issolid state relay，For shortssr。It is a contactless switching device with relay characteristics that uses a semiconductor device instead of a traditional electrical contact as a switching device，monophasessrIt is a four-terminal active device，...
2016-02-27 Reading quantity 1829
introduction： keyword： Three kinds of Servo motor Controls method Abstract： 1、Torque control：The torque control mode is to set the output torque of the motor shaft by external analog input or direct address assignment，The specific performance is for example10Vcorrespondence5NmIf...，When the external analog is set to5VWhen the motor shaft output is2.5Nm:If the motor shaft load is less than2.5NmWhen the motor is turning，External load equals2.5NmThe motor does not run，Greater than2.5NmTime motor reversal（Usually there is a gravitational load 1、Torque control：The torque control mode is through...
2016-02-27 Reading quantity 1616
introduction：Action principle of overcurrent protection Overcurrent protection relays protect components by overcurrent protection action。 Overcurrent protection is generally divided into fixed time limit and inverse time limit overcurrent protection，Current velocity break protection...
2016-02-27 Reading quantity 1616
introduction：The bending machine is divided into the following types，Our most common is the manual bending machine，There are hydraulic bending machines and CNC bending machines，Although they are all bending machines, these several types of machines have different roles，So these groups of bending machines...
2016-02-27 Reading quantity 1621
introduction： What is the cause of the missing phase of the servo motor？
Power supply：
1）Poor switch contact；
2016-02-27
Reading quantity 1688
introduction： Protection methods for time relays need to start with our understanding，Then the power system relay protection time relay is divided into what kinds?What does it apply to?With questions，We walk into this familiar and unfamiliar time relay。 Power system relay protection time relays are divided into electromagnetic time relays...
2016-02-26 Reading quantity 1625
introduction： Now technology is developing rapidly，In this paper, we will explain the application of the sensor national standard and the advantages of the sensor national standard compared with other domestic products，I hope it was helpful。 Current national standards related to sensors GB/T 14479-1993 Graphic symbols for sensor drawings...
2016-02-26 Reading quantity 1649
introduction： Multi-sensor data fusion technology has become the focus of the research of engineers，It is a higher level integrated process based on the measurement results of multiple sensors，Specific understanding of multi-sensor data fusion technology，Here are the details。 more...
2016-02-26 Reading quantity 1610
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