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PLC control system
The PLC control system is an important component of catalytic combustion equipment, also known as the catalytic combustion control system, which is eq
Product details
PLC control systemAlso known as PLC automatic control system, it is an organic waste gas treatment system for catalytic combustion equipment.
【PLC control system、 Introduction to the Process Flow of PLC Automatic Control System
The catalytic combustion equipment for treating organic waste gas adopts a PLC automatic control system, which achieves the safety protection function of automatic oxidation and automatic interlocking by collecting and transmitting temperature and pressure parameter change signals. Monitor the operating status of key equipment in the oxidation treatment equipment, as well as the temperature and pressure at critical points. To ensure the normal operation of the exhaust gas treatment system, the safety protection function of automatic oxidation and automatic interlocking is achieved by collecting and transmitting parameter change signals of temperature and pressure. _Stable production, reduced labor intensity, and modern production management of processing processes.
Composition Description of PLC Control System
Structurally, PLCs are divided into two types: fixed type and modular type. Fixed PLC includes CPU board, I/O board, display panel, memory block, power supply, etc., which are combined into a non removable whole. Modular PLC includes CPU modules, I/O modules, memory, power modules, baseboards or racks, which can be configured according to rules.
Characteristics of PLC Control System and PLC Automatic Control System
1. High reliability and strong anti-interference ability
Reliability is a key performance of electrical equipment. In the design and manufacturing process of PLC, due to the use of modern large-scale integrated circuit technology and strict production processes to manufacture internal circuits, PLC has anti-interference ability. The average time between failures using PLC is usually over 20000 hours, which is not achievable by other electrical equipment.
2. Supporting _, with complete functions and strong applicability
Although there are various types of PLCs, due to their product series and modularization, as well as software packages, users can flexibly form control systems of different scales and requirements. In addition to logical processing functions, modern PLCs mostly have complete data processing capabilities and can be used in various control fields. In recent years, a large number of functional units of PLC have emerged, expanding its application to various industrial controls such as position control, temperature control, CNC, etc. With the enhancement of PLC communication capabilities and the development of human-machine interface technology, it has become easier to use PLCs to form various control systems.
3. Programming languages are easy to learn and use
PLCs generally use ladder diagram language that is easy to understand and master, as well as simple instructions for industrial control to write programs, which are easily accepted by engineering and technical personnel. The graphical symbols and expression methods of ladder diagram language are quite similar to relay circuit diagrams. With only a small number of switch logic control instructions from PLC, the functions of relay circuits can be easily implemented, opening the door to convenience for people who are not familiar with electronic circuits, computer principles, and assembly language.
4. Low maintenance workload and easy maintenance
PLC uses storage logic instead of wiring logic, greatly reducing the external wiring of control equipment. At the same time, it has strong self diagnostic ability, which can detect its own faults at any time and display them to technical personnel, enabling them to quickly inspect and determine the cause of the faults. If it is due to the PLC itself, only the plug-in module and other easily damaged components need to be replaced during maintenance, which is convenient and reduces the time that affects production, making maintenance easier.
5. Small size, light weight, low energy consumption
Taking small PLCs as an example, the newly produced varieties have a bottom size of less than 100 millimeters, a weight of less than 150 grams, and a power consumption of only a few watts. Due to its small size and easy installation inside machinery, it is an ideal control device for achieving mechatronics integration.
【PLC control system、 Introduction to the Process Flow of PLC Automatic Control System
The catalytic combustion equipment for treating organic waste gas adopts a PLC automatic control system, which achieves the safety protection function of automatic oxidation and automatic interlocking by collecting and transmitting temperature and pressure parameter change signals. Monitor the operating status of key equipment in the oxidation treatment equipment, as well as the temperature and pressure at critical points. To ensure the normal operation of the exhaust gas treatment system, the safety protection function of automatic oxidation and automatic interlocking is achieved by collecting and transmitting parameter change signals of temperature and pressure. _Stable production, reduced labor intensity, and modern production management of processing processes.
Structurally, PLCs are divided into two types: fixed type and modular type. Fixed PLC includes CPU board, I/O board, display panel, memory block, power supply, etc., which are combined into a non removable whole. Modular PLC includes CPU modules, I/O modules, memory, power modules, baseboards or racks, which can be configured according to rules.
Characteristics of PLC Control System and PLC Automatic Control System
1. High reliability and strong anti-interference ability
Reliability is a key performance of electrical equipment. In the design and manufacturing process of PLC, due to the use of modern large-scale integrated circuit technology and strict production processes to manufacture internal circuits, PLC has anti-interference ability. The average time between failures using PLC is usually over 20000 hours, which is not achievable by other electrical equipment.
2. Supporting _, with complete functions and strong applicability
Although there are various types of PLCs, due to their product series and modularization, as well as software packages, users can flexibly form control systems of different scales and requirements. In addition to logical processing functions, modern PLCs mostly have complete data processing capabilities and can be used in various control fields. In recent years, a large number of functional units of PLC have emerged, expanding its application to various industrial controls such as position control, temperature control, CNC, etc. With the enhancement of PLC communication capabilities and the development of human-machine interface technology, it has become easier to use PLCs to form various control systems.
3. Programming languages are easy to learn and use
PLCs generally use ladder diagram language that is easy to understand and master, as well as simple instructions for industrial control to write programs, which are easily accepted by engineering and technical personnel. The graphical symbols and expression methods of ladder diagram language are quite similar to relay circuit diagrams. With only a small number of switch logic control instructions from PLC, the functions of relay circuits can be easily implemented, opening the door to convenience for people who are not familiar with electronic circuits, computer principles, and assembly language.
4. Low maintenance workload and easy maintenance
PLC uses storage logic instead of wiring logic, greatly reducing the external wiring of control equipment. At the same time, it has strong self diagnostic ability, which can detect its own faults at any time and display them to technical personnel, enabling them to quickly inspect and determine the cause of the faults. If it is due to the PLC itself, only the plug-in module and other easily damaged components need to be replaced during maintenance, which is convenient and reduces the time that affects production, making maintenance easier.
5. Small size, light weight, low energy consumption
Taking small PLCs as an example, the newly produced varieties have a bottom size of less than 100 millimeters, a weight of less than 150 grams, and a power consumption of only a few watts. Due to its small size and easy installation inside machinery, it is an ideal control device for achieving mechatronics integration.
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