The interoperability of an open fieldbus control system Whether the actual situation is consistent with the above, the answer is no. The field bus international standard adopted at present contains 8 types, while the original IEC international standard is only one of the 8 types, and the status of the other 7 types of buses is equal. For the other seven types of buses, regardless of their market share, each bus protocol has a set of software and hardware support. They can form systems and form products. The original IEC fieldbus international standard is an empty shelf without software support or hardware support.  To achieve mutual compatibility and interoperability of these buses, as far as the current state is concerned, it is  almost impossible.   Through the above, can we draw such an image: the interoperability of an open fieldbus control system, as far as a specific type of fieldbus is concerned, as long as it follows the bus protocol of this type of fieldbus, its products  are open In other words, no matter what manufacturer’s product [B&R X20IF1063 Communication Module, ProSoft MVI69-MCM Modbus Interface Module, Siemens 6ES7414-4HJ04-0AB0 SIMATIC S7-400H CPU, B&R X20BC1083 Bus Controller], it is not necessarily the product of the field bus company, as long as it follows the bus protocol of the bus, the products are open and interoperable. A bus network can be formed.   Have interest in above parts? get in touch with Vivi (sh_plc@163.com).   

Differences of DCS, PLC and FCS in system    The key points of FCS are the following three points. (1) The core of the FCS system is the bus protocol, that is, the bus standard.--B&R X20HB2880 Hub Expansion Module For a type of bus, as long as its bus protocol is determined, the relevant key technologies and related equipment are also determined.--Allen Bradley 1756-IF8H Analog Input Module. As far as the basic  principles of its bus protocol are concerned, all types of buses are the same, and they all solve the problem  of bidirectional serial communication. Digital communication transmission is the basic basis. However, due  to various reasons, there are great differences in the bus protocols of various buses.--Siemens 6ES7231-0HC22-0XA0 SIMATIC S7-200 Analog Input Module   In order to make the fieldbus meet the requirements of interoperability and make it a real open system,  the original IEC international standard, --Allen Bradley 1794-IE8 Analog Input Module.in the user layer of fieldbus communication protocol simulation, clearly stipulates that the user layer has the function of device description. In order to achieve interoperability,  each fieldbus device is described with a device description DD. DD can be regarded as a driver of the device, which includes all necessary parameter descriptions and operation steps required by the master station.  Because the DD includes all the information needed to describe the communication of the device and is independent of the master station, it can realize the real interoperability of the field devices.   The interested persons of mentioned parts may relate with me, price liberally.------ Vivi (sh_plc@163.com).      

The power part, control part, programmable controller, and I/O power supply should be wired separately,  and the isolation transformer should be connected with the programmable controller and the I/O power  supply with twisted pairs.  The power line of the system is thick enough to reduce the line voltage drop when the large-capacity asynchronous motor starts . (B&R X20BC0087 Bus Controller, Siemens 6ES7322-1FH00-0AA0 SIMATIC S7-300 Digital Output Module, Allen Bradley 1771-OBD Output Module, B&R X20BC8083 Bus Controller)If conditions permit, a separate power supply circuit can be used for the programmable controller to avoid the interference of the start and stop of other. The power supply of the programmable controller can be taken from the lighting line, and the interference signal on the lighting line is relatively smaller than that on the power line.   The external DC power supply for the external input circuit is best to use a stable power supply.  The power supply that only rectifies and filters the AC voltage contains strong ripples, which may cause  the programmable controller to receive wrong information.   Have interest in above parts? get in touch with Vivi (sh_plc@163.com).   

The high-frequency interference when running PLC MACHINE   The high-frequency interference signal is not transmitted through the coupling of the transformer winding,  but through the distributed capacitance between the primary and secondary windings.  Adding a shielding layer between the primary and secondary windings and grounding it together with the core can reduce the distributed capacitance between the windings and improve the ability to resist  high-frequency interference.   B&R X20AO2622 Analog Output Module, Allen Bradley 1747-L551 SLC 500 Processor, Siemens 6ES7400-1TA01-0AA0 SIMATIC S7-400, Rack UR1, Allen Bradley 1756-M12 Memory Module   Power filter , which has good common-mode filter, differential-mode filter performance and high-frequency  interference suppression performance, and can effectively suppress the interference between lines and lines and between lines and ground. interference, its products can be used for AC single-phase,  three-phase power and DC power. C/D series high-performance filters are suitable  for electronic equipment that has transient   Have interest in above parts? get in touch with Vivi (sh_plc@163.com).   

PLC's processing of power supply The power supply is one of the main ways for interference to enter the programmable controller.  The power supply interference is mainly generated through the impedance coupling of the power supply line, and various high-power electrical equipment is the main source of interference.   Siemens 6ES7322-1BH01-0AA0 SIMATIC S7-300 Digital Output Module, Allen Bradley 1756-L55 Processor ROCKWELL 1756-L55M14 , B&R X20DO9322 I/O Module, Siemens 6ES7400-1JA00-0AA0 Expansion Module   In occasions with strong interference or high reliability requirements.  A shielded isolation transformer and a low-pass filter can be added to the AC power input of the programmable controller (see Figure 1). The isolation transformer can suppress the external interference from the power line. To improve the ability to resist high-frequency common-mode interference, the shielding layer should be reliably grounded.   The interested persons of mentioned parts may relate with me, price liberally. -- Vivi (sh_plc@163.com).   

Happy Chinese Lunar New Year 2023   Lunar New Year 2023 is the Year of the Rabbit and begins the following day, 22 January 2023. More specifically, it lasts until 9 February 2024. The date is determined by the Chinese lunar calendar, which is based on the cycles of the moon and the sun and is usually 21-51 days later than the Gregorian calendar (which is used internationally). Lunar New Year, also known as Chinese New Year, is celebrated over multiple days and marks the beginning of the next 12 months on the traditional lunar and solar calendars. It is celebrated by many people of Chinese descent and is also observed in other Asian countries, including Korea, Japan, Indonesia, Malaysia, the Philippines and Singapore. 29th.Jan will resume business, pls send us your RFQ refer to below B&R X20AI4622 4 Analog Input Module,  Siemens 6ES7392-1AJ00-0AA0 Front Connector, Allen Bradley 1746-OBP16 SLC 500 Digital Output Module, B&R X20DI9371 Digital Input Module   Our contact e-mail is:  sh_plc@163.com (Vivi).  

Consider system continuity, compatibility and communication performance   In some metallurgical transformation projects, if the original project already has a computer control system, the continuity and compatibility of the system must be considered. If the electrical control system occupies  a large proportion, the connection with the information network of the production management computer system, that is, the communication performance, must be considered. Siemens 6ES7360-3AA01-0AA0 SIMATIC S7-300 Interface Module, B&R X20AT4222 I/O Module, Allen Bradley 2711P-T15C4D8 Panelview Plus 6 Operator, Siemens 6ES7340-1CH02-0AE0 CP 340 Communications Processor MODICON 584 series PLC was successfully applied in the 4# blast furnace feeding system of the No.  PLC products have strong compatibility and communication performance. We have successively adopted MODICON series PLC products (first 584 series, later more advanced 984 series and Quantum series) to control various systems of the blast furnace or to upgrade the control system.    It ensures the advancement, continuity and compatibility of the system, facilitates the information communication between the blast furnace systems and the construction of the ironmaking production management network, reduces the repetitive and tedious labor of the control software configuration,  and reduces the inventory cost of spare parts .   The interested persons of mentioned parts may relate with me, price liberally. -- Vivi (sh_plc@163.com).    

It is now 2023 and I wish you all a Happy New Year 2023. Looking back on 2022, we have experienced a lot, with losses, but more gains. We wish each and every one of our customers more in 2023.   We would like to thank each and every one of our customers for their love of our products and their trust and support of our company in 2022. We hope we can continue to strengthen our cooperation in 2023.   In 2023, let's work together to create happy and healthy wealth, thank you.   2023, if any RFQ Allen Bradley 1762-Ob8 Digital Output Module , pls contact with Vivi (sh_plc@163.com).