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introduction： 3. Basic application prime，PLCIt is mainly used for logic control of switching quantity。withPLCTechnological progress，Its application field is constantly expanding。
2016-01-15 Reading quantity 1607
introduction： 1backdrop φ3500Vertical machine tool is a kind of mechanical and electrical equipment which requires high degree of automation，Generally used in metallurgical industry，Turning all kinds of large workpieces；It usually adopts relay logic control mode，The electronic control system of the equipment has a high failure rate，Long service cycle。With the advancement of technology，This kind of control system...
2016-01-15 Reading quantity 1865
introduction： Laser sensor A sensor that uses laser technology to make measurements。Laser sensor by laser、The laser detector and measuring circuit are composed。Laser sensor is a new type of measuring instrument，The advantage of laser sensors is that they can be measured at a distance without contact，Fast speed，High precision，Large range，anti-light、Electric interference ability is strong。 &nb...
2016-01-15 Reading quantity 1638
introduction： relay（English name：relay）It 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。 According to the use can be divided into control relay and protection relay。 &nb...
2016-01-15 Reading quantity 1528
introduction：2. Basic characteristics &...
2016-01-15 Reading quantity 1587
introduction： Use of relays,Relay protection The product reliability usually refers to the working reliability of the product，It is defined：The ability to perform a specified function under specified conditions and within a specified time。It consists of the inherent reliability of the product and the reliability of use，The preceding item is determined by the design and manufacturing process of the product，...
2016-01-15 Reading quantity 1506
introduction： Servo motor debugging method and steps Servo motors allow speed control，The position accuracy is very accurate，The voltage signal can be converted into torque and speed to drive the control object。Servo motor is divided into DC and AC servo motor two categories，Its main characteristics are，When the signal voltage is zero...
2016-01-15 Reading quantity 1631
introduction： Sometimes we are prone to electromagnetic braking,Regenerative braking,The role of dynamic braking is confused,The wrong accessory was selected。
2016-01-15
Reading quantity 1602
introduction： Relay parameter terms1、Rated operating voltage Refers to the voltage required by the coil when the relay is working normally。It depends on the type of relay，It can be AC voltage，It can also be DC voltage。 ...
2016-01-14 Reading quantity 1700
introduction： Micro sensor is the most successful and practical micro electromechanical device at present，The micro-pressure sensor and micro-acceleration sensor are mainly used to generate electrical signal output by mechanical deformation of micro-diaphragm；In addition，There are also tiny temperature sensors、Magnetic field sensor、Gas sensor，The area of these tiny sensors is mostly in1 mm2below。 &...
2016-01-14 Reading quantity 1592
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