Datalogic switch German Datalogic model Datalogic price

Datalogic switches can sense pressure signals, and are devices or apparatuses that convert pressure signals into usable output electrical signals according to a certain rule. Pressure switches typically consist of pressure-sensitive elements and signal processing units. According to different types of test pressure, pressure switches can be classified into gauge pressure switches, differential pressure switches, and absolute pressure switches. Pressure switches are the most commonly used type of switch in industrial practice, widely applied in various industrial automation control environments, involving many industries such as water conservancy and hydropower, railway transportation, intelligent buildings, production automation control, aerospace, military industry, petrochemicals, oil wells, electric power, ships, machine tools, and pipelines.

Datalogic switch classification

The basic principle of multi-switch information fusion technology is similar to the human brain's comprehensive information processing: it performs multi-level, multi-spatial complementary and optimized combination processing of various switches, ultimately producing a consistent interpretation of the observed environment. In this process, multi-source data must be fully utilized and reasonably allocated. The ultimate goal of information fusion is to derive more useful information by combining information from multiple levels and aspects based on the separate observation data obtained from each switch. This not only leverages the advantages of coordinated operation among multiple switches but also comprehensively processes data from other information sources to enhance the intelligence of the entire switch system. Pressure switches are the most widely used type of switch. Traditional pressure switches are primarily mechanical devices that indicate pressure through the deformation of elastic elements, but such structures are large in size, heavy in weight, and cannot provide electrical output. With the development of semiconductor technology, semiconductor pressure switches have emerged. They are characterized by small size, light weight, high accuracy, and good temperature characteristics. Especially with the development of MEMS technology, semiconductor switches are evolving toward miniaturization, featuring low power consumption and high reliability.

Datalogic switch installation precautions

1) Correct installation method: Using appropriate instruments, verify the frequency response value of the pressure switch under normal atmospheric pressure and standard temperature conditions. Verify the correctness of the pressure switch code against the corresponding frequency response signal. 2) Determine specific installation location: To determine the numbering and specific installation location of the pressure switch, consider each inflation section of the inflation network. Pressure switches must be installed along the cable, preferably at cable joints. Install no fewer than 4 pressure switches per cable. The two pressure switches closest to the telephone exchange shall be no more than 200m apart. Install 1 at each end of every cable. Install 1 at each branch point of the cable; if two branch points are close together (less than 100 m), only 1 needs to be installed. Install 1 at locations where the cable laying method (overhead, underground) changes. For cables without branches, since the cable specifications are consistent, the installation spacing of pressure switches shall not exceed 500m, and the total number shall be no less than 4. To facilitate identification of pressure switch fault locations, in addition to installing a pressure switch at the starting point, install 1 additional switch(es) at a distance of 150~200m from the starting point. Of course, economic and technical factors must be considered in the design; pressure switches need not be installed where they are unnecessary.

Datalogic switch applications

Pressure switches are mainly applied in: booster cylinders, boosters, gas-liquid booster cylinders, gas-liquid boosters, presses, compressors, air conditioning and refrigeration equipment, and other fields. 1) Application in hydraulic systems: In hydraulic systems, pressure switches are primarily used to achieve closed-loop force control. When the control valve spool moves suddenly, a peak pressure several times higher than the system operating pressure forms within a very short time. In typical mobile machinery and industrial hydraulics, if such extreme conditions are not considered during design, any pressure switch will quickly fail. Shock-resistant pressure switches are required. There are 2 main methods to achieve shock resistance in pressure switches: one is to replace the strain gauge chip, and the other is to use an external coil. The first method is generally adopted in hydraulic systems, mainly due to ease of installation. Another reason is that the pressure switch must withstand continuous pressure pulsations from the hydraulic pump. 2) Application in safety control systems: Pressure switches are frequently used in safety control systems, primarily targeting the safety management systems of air compressors themselves. There are many switch applications in the field of safety control; as a very common type of switch, the application of pressure switches in safety control systems is not surprising. Applications in safety control are generally considered from the perspectives of performance, price, and operational safety and convenience. Practical evidence shows that selecting pressure switches yields very good results. Pressure switches utilize mechanical processing technology to mount components and signal regulators onto a small chip. Therefore, small size is one of its advantages; additionally, low price is another major advantage. To some extent, it can improve the accuracy of system testing. In safety control systems, installing pressure switches in the pipeline equipment at the air outlet helps control the pressure generated by the compressor to some extent, serving as a protective measure and a highly effective control system. After the compressor starts normally, if the pressure value has not reached the upper limit, the controller will open the intake port and adjust to bring the equipment to maximum power. 3) Application in injection molds: Pressure switches play an important role in injection molds. Pressure switches can be installed in the nozzle of the injection molding machine, hot runner systems, cold runner systems, and mold cavities. They can measure the plastic pressure at certain points between the injection molding machine nozzle and the mold cavity during the processes of injection, filling, holding pressure, and cooling. 4) Application in mine pressure monitoring: Switch technology is one of the key technologies for mine pressure monitoring. On one hand, we should correctly apply existing various switches to serve the mining industry; on the other hand, as switch manufacturers, we must research and develop new types of pressure switches to adapt to more mining industry applications. There are various types of pressure switches. Due to the special environment of mine pressure monitoring, mine-used pressure switches mainly include: vibrating wire pressure switches, semiconductor piezoresistive pressure switches, metal strain gauge pressure switches, and differential transformer pressure switches. These switches are widely used in the mining industry; the specific type of switch to use depends on the specific mining environment. 5) Application in compressors and air conditioning/refrigeration equipment: Pressure switches are commonly used in air compressors and air conditioning/refrigeration equipment. These switch products feature compact form factors, easy installation, and pressure ports that generally adopt specialized valve needle designs.

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