1. Understand the circuit principle and determine the maintenance plan: when the electrical system of a piece of equipment has shortcomings, do not rush to disassemble it, first of all, it is necessary to understand the phenomenon, pass, planning and reasons for the shortcomings of the electrical equipment. Understand the basic operating principle of the equipment and electrical system, and analyze the detailed circuits. Find out the interconnection between the various levels in the circuit and the ins and outs of the signal in the circuit, combined with the actual experience, through careful consideration, to determine a scientific maintenance plan.
2. First machine loss, then circuit: electrical equipment is based on the principle of electrical and mechanical engineering, especially the best equipment of mechatronics, mechanical and electronic organic cooperation in function, is a whole two parts. Often the mechanical parts are outdated, affecting the electrical system, equipment management, and the function of many electrical components is ineffective. Therefore, do not be tempted by superficial phenomena, the shortcomings of the electrical system are not all electrical problems, but may be formed by the shortcomings of mechanical components. Therefore, first overhauling the shortcomings of the mechanical system, and then cleaning the shortcomings of the electrical part, often receives twice the result with half the effort.
3. First brief, then messy: overhaul shortcomings should first be dealt with with in a simple and easy, one's own good way, and then use a messy and accurate method. When cleaning up the shortcomings, first clean the common shortcomings that are intuitive, clear and concise. After the cleaning difficulty is high, there are no problems and shortcomings that have not been handled.
4. Overhaul common problems first, and then ask miscellaneous problems: Electrical equipment often briefly occurs the same type of shortcomings, which is a "common problem". Because the common disease is more common than **, and the accumulated resume** is rich, it can be cleaned quickly. In this way, you can concentrate on and time to clean up the rare, difficult, and obscure problems, simplify the process, narrow the planning, and speed up the maintenance.
5. External debugging first, then internal processing: external refers to all kinds of switches, buttons, sockets and indicator lights exposed to the outside of the end seal of electrical equipment. Internal refers to the printed circuit boards, components and various connection wires inside the enclosure or seal of electrical equipment. First external debugging, and then internal processing, that is, without disassembling the electrical equipment, use the switches, travel buttons, buttons, etc. on the electrical equipment panel to debug and check, and reduce the shortcomings of the planning. First of all, clean the defects caused by the external parts, and then repair the shortcomings in the machine, and try to avoid unnecessary disassembly
6. Measure without power first, and then test on power: First of all, in the case of no power, the electrical equipment is overhauled: and then in the case of power-on, the electrical equipment is overhauled. When overhauling many defective electrical equipment, it cannot be energized immediately, otherwise it will artificially expand the defect planning, incinerate more components, and form undue loss. Therefore, before the defective machine is energized, the resistance is measured, and the necessary measures are taken before the power can be turned on for maintenance.
7. First common circuit, then special circuit: any electrical system of the common circuit shortcomings, its energy, information can not be transmitted, allocated to the detailed special circuit, the function of the special circuit, equipment management of the Chinese Alliance, the function of the function is not effective. If the power supply of an electrical equipment is defective, the whole system will not be able to operate normally, and the energy and information transmitted to various special circuits will not be completed. Therefore, by following the order of common circuits first and then dedicated circuits, it is possible to quickly and accurately clean up defects in electrical equipment.
8. Summarize your resume. The shortcomings of the traveling power electrical equipment are varied and strange. After the overhaul of any defective electrical equipment, the defective phenomena, causes, maintenance passes, skills, and experiences should be recorded in a special notebook, and the theoretical knowledge of various new electrical equipment should be learned, and the operating principles should be understood. Under the guidance of theory, the detailed shortcomings are analyzed in detail, and the shortcomings can be cleaned up accurately and quickly. Only in this way can you train yourself to be an expert in repairing electrical defects.
|
More on that
|
How to use photoelectric switches – Turck
Photoelectric switch is the abbreviation of photoelectric proximity switch, which uses the detection object to block or reflect the beam, and the circuit is turned on by the synchronous loop, and then the presence or absence of the object is detected. Objects are not limited to metal, and all objects that reflect (or block light) can be detected. Light...
|
|
The structure of the proximity sensor switch
1. Durability
The reason why the switch has such a long life is that the switch acts as elastic in the straight direction from the elastic membrane. Despite the millions of activities after the elastic membrane, due to the small creep rate, only 0.1 - 0.3m ...
|
|
Turck's temperature sensor is selected
(1) Whether the temperature of the measured target needs to be recorded, alarmed and automatically controlled, and whether it needs to be measured and transmitted at a distance.
(2) The size and accuracy of the temperature measurement range.
(3) Whether the size of the temperature measuring element is appropriate.
(4) When the temperature of the measured target changes with time, the temperature measuring element lags behind ...
|
|
Selection principle for low-voltage circuit breakers – Turck
1) Confirm the type and maintenance mode of circuit breaker according to the maintenance requirements of the line - confirm the selection of frame type, equipment type or current limiting type, etc.
2) The additional voltage of the circuit breaker UN should be equal to or greater than the additional voltage of the line being maintained ...
|
|
Principle of resistance strain gauge of pressure sensor
The operating principle of metal resistance strain gauge is the phenomenon that the resistance value changes due to mechanical deformation due to the strain resistance adsorbed on the matrix data, which is commonly known as the resistance strain effect. The resistance value of a metal conductor can be indicated by the following formula:
where: ρ-- ...
|
|
Advantages of eddy-current displacement sensors – Turck
The cutting-edge technology of modern science and technology, and its horizontal concave and convex are also one of the important indicators to measure the level of scientific and technological development of a country. There are many kinds of displacement sensors on the market, such as eddy current displacement sensors, which are widely used in various industries. So what are the advantages of eddy-current displacement sensors ...
|
|
The main role of torque sensors is Turck
Torque sensors are able to convert the physical change of torque into accurate electrical signals, which are mainly used in the power range, and have the characteristics of long service life, high accuracy and strong reliability.
Torque sensors are not common in our daily lives, but their use is very important. Currently, the twist ...
|
|
What is an SOI high-temperature pressure sensor – Turck
Pressure sensor is a kind of equipment used to detect pressure signals and convert pressure signals into electrical signals according to certain rules, which are widely used in various production, industry and aerospace fields. With the subdivision of application fields, the pressure in high-temperature and harsh environments such as high-temperature oil wells and various engine cavities ...
|
|
Sensitivity analysis of pressure sensors – Turck
1. Confirm the type of pressure sensor according to the measurement object and measurement environment
In order to carry out a detailed measurement operation, it is necessary to consider the principle of the sensor to be used, which requires the analysis of many elements before it can be confirmed. Because, even if the same physical quantity is measured, there are many kinds of ...
|
|
Turck's method of accurate installation of Turck pressure sensors
(1) After proper appearance, the frequency response value of the turck pressure sensor in Germany is verified under normal atmospheric pressure and standard temperature conditions.
(2) Verify the accuracy of the coding of the turck pressure sensor in Germany and the corresponding frequency response signal.
...
|
|
Composition and classification of sensors – Turck
1. Composition of the sensor
A sensor typically consists of a sensitive element, a conversion element, and a basic conversion circuit, as shown in Figure 1. A sensitive element is an element that can sensitively feel the scene being measured and respond to a definite relationship; The conversion element is to convert the measured touch of the sensitive element into ...
|
|
Turck has received two more awards at CAIMRS 2021
On March 19, 2021, the 2021 CAIMRS and Annual Selection and Awards Ceremony of China's Production Digital Service Summit hosted by Industrial Control Network was held in the form of real-time live broadcast in the cloud, and the results of the 19th Automation and Digitalization Annual Selection were released. Turck has once again been named one of the "Top 10 Companies of the Year".
|
|
Turck RFID expands the Q300 series with a Linux version
To include a device with a new software channel, Turck is expanding the Q300 series. In addition to the CODESYS-based read/write heads developed for PLC integration, system integrators can now also use Linux-based versions.
...
|
|
Advantages and disadvantages of capacitive sensors – Turck
Advantages of capacitive sensors
1. Good temperature stability
The capacitance value of capacitive sensors is generally independent of the electrode data, which is conducive to the selection of data with low temperature coefficient, and has little impact on stability due to its own small heat generation. The resistance sensor has copper loss, which is easy to heat up.
|
|
Thermocouple temperature and RTD temperature sensors – Turck
In daily operations, we often encounter the use of temperature sensors, thermocouples and RTDs are used as temperature sensing components, but their principles and functions are different. What are the differences?
...
|
|
Turck Sensor Systems is the basis for agricultural applications
The next stage of development in agriculture is data-driven, requiring solid sensor skills in the field. Turck products can be operated with a driver-assisted system and then fully automated farming. In the steer-by-wire system, the QR20 encoder measures the axle ...
|
|
Turck's roller conveyor belt drives control Ethernet I/O modules
The Ethernet I/O module TBEN-LL-4RMC offers four Interroll EC5000 drum motor drive interfaces, which can control up to 48 motors and is capable of driving special motors up to 48V.
In addition, the module provides 4 digital input channels and 4 general-purpose digital channels ( ...
|
|
Analysis of Pressure Sensor Failure Problem - Turck
Assuming that the power supply is normal, it is necessary to carry out simple pressurization to see if the output has changed, perhaps to observe whether the zero position of the sensor has output, assuming that it has not changed, the sensor has been damaged, and vice versa, it is the appearance of the damage or other links of the whole system.
...
|
|
Technical analysis of Turck's inclination sensors
The so-called inclination angle is a relative orientation with reference to the horizontal line and the vertical axis. Changes in orientation can be monitored quickly and precisely by means of inclination sensors. The acceleration of gravity is a parameter measured by the sensor. This measurement principle is equivalent to using a plumb line to produce a change of direction in a gravitational field. Turck inclination ...
|
|
How to determine the cause when there is no signal output for a pressure transmitter – Turck
When the on-site pressure transmitter has no signal output, we first need to identify where the problem is, and do not rush to think that the pressure transmitter is faulty, because in many applications, in addition to the use alone, the excitation transmitter is also used in combination with other equipment or systems, such as various types of sensors, such as several ...
|
|
Contact
working hours
