Analysis On The Development Trend Of Industrial Measurement And Control Equipment Safety Technology

Importance of Industrial Measurement and Control Equipment Safety Technology

Industrial measurement and control equipment plays a crucial role in ensuring the safety and efficiency of industrial processes. These technologies are used to monitor and control a range of parameters, including temperature, pressure, flow rate, and more. In many cases, the accuracy and reliability of these measurements can be a matter of life and death.

 

As industrial processes become more automated and interconnected, it is increasingly important to ensure that these measurement and control systems are secure and reliable. Cyber attacks and other security breaches can have devastating consequences, from financial losses to environmental disasters and even loss of life.

 

To address these challenges, manufacturers of industrial measurement and control equipment are investing heavily in safety technology. This includes everything from physical protections like enclosures and safety barriers, to software and network security features.

 

One of the key trends in this area is the use of advanced sensing technologies to improve the accuracy and reliability of these measurement and control systems. For example, new sensor technologies can detect subtle changes in temperature or pressure, allowing for more precise control and monitoring.

 

Another key trend is the use of cloud-based systems to collect and analyze data from multiple measurement and control devices. This can help to identify patterns and trends that might be missed using traditional data analysis techniques.

 

Overall, the development trend of industrial measurement and control equipment safety technology is focused on improving the reliability, security, and accuracy of these systems. As industrial processes become increasingly automated and interconnected, it is more important than ever to invest in these critical safety technologies.


The scope of industrial measurement and control equipment includes process sensing and execution equipment such as transmitters and actuators, as well as various controllers such as plc and dcs, as well as the involved host computer systems. Measurement and control equipment is the nerve center of the industrial control system. With the digital, networked and intelligent development of the industrial control system, it is faced with new challenges such as intensified penetration of security threats and complex and diverse attack methods.

Industrial control system information security has risen to the level of national strategic security. The united states, the european union, and china attach great importance to the development of industrial information security, and have issued national strategies, policies and regulations for industrial information security to build an industrial information security guarantee system. 

This paper expounds the development process of functional safety and information security technology of industrial measurement and control equipment, as well as the current productization of safe industrial measurement and control equipment at home and abroad, and introduces the development of relevant industrial measurement and control equipment safety standards. Future trends.

2 development of safety technology for industrial measurement and control equipment

2.1 functional safety industrial measurement and control equipment 

From a safety point of view, the first generation is functional safety industrial measurement and control equipment. Functional safety industrial measurement and control equipment should generally be certified by sil (safety integrity level).

Sil certification is based on international standards iec 61508, iec 61511, etc., and is divided into four levels: Sil1, sil2, sil3, and sil4. Iec 61508, iec 61511 and other series of standards have gradually become basic functional safety standards widely recognized by various countries and industries, and china has corresponding national standards. The iec 61508 standard gives the definition of functional safety: Functional safety is mainly for equipment and control systems related to e/e/pe to avoid unacceptable risks caused by the controlled object/process or other related systems in the event of system failure or failure , causing economic losses, casualties or environmental pollution.

Functional safety industrial measurement and control equipment is relatively mature. Many industrial measurement and control equipment at home and abroad have passed functional safety sil certification, including plc controllers, sis safety instrumented systems, dcs controllers, transmitters, actuators and other equipment.

2.2 information security industrial measurement and control equipment

From a security point of view, the second generation is information security industrial measurement and control equipment. Information security-based industrial measurement and control equipment is currently certified based on "Industrial process measurement, control and automation network and system information security" (iec 62443). Iec 62443 is a series of standards for industrial automation and industrial security, which guides system integrators, product providers and service providers to conduct security assessments on their products and services, and introduces the information security assurance level (security assurance level, sal) the concept is divided into four levels: Sal1, sal2, sal3, and sal4. China is formulating corresponding national standards. 

In terms of product certification, the current international mainstream industrial control system information security certification is mainly isa secure certification and achilles certification. Information security industrial measurement and control equipment is currently in the stage of development and improvement. There are a series of industrial measurement and control equipment at home and abroad that have passed the isa secure certification or achilles certification. Due to the need to increase the information security protection mechanism from the design level, there are additional computing capabilities for industrial measurement and control equipment. Therefore, it is currently mainly concentrated in plc controllers, dcs controllers, sis safety instrumented systems and other equipment.

2.3 functional safety and information security fusion industrial measurement and control equipment

From a security point of view, the third generation is industrial measurement and control equipment that integrates functional safety and information security.

Industrial control system information security protection has long focused on the "Defense in depth" Of the network domain, protecting important assets by isolating the network, making the traditional external network penetration attack methods ineffective. Traditional protection techniques have limitations. Networks cannot block physical media transmission of data and access to physical devices. As apt attacks intensify, even physically isolated industrial measurement and control equipment can be targeted. One of the fundamental ways to solve the problem is to enhance the intrinsic safety capability of industrial measurement and control equipment.

However, from the design level, the increase of information security capabilities of industrial measurement and control equipment conflicts with functional security in terms of resources, goals, strategies, etc. For example, information security protection strategies may increase the risk of system functional security, and functional security measures may also be introduce new information security vulnerabilities to the system, etc. Therefore, functional safety and information security should be combined in the design, taking the availability of business system functional safety as the goal and constraint, and then considering information security, through iterative optimization design, eliminate conflicts, and realize the functions of industrial systems the integration of security and information security reduces the information security risks brought about by the fusion of cyber-physical systems. At present, the integration of functional safety and information security has been considered from the levels of equipment, network, data, and applications at home and abroad, and relevant research work has been carried out from the perspectives of standard formulation, modeling methods, architecture, and task scheduling. However, the existing researches on the fusion of functional safety and information security focus on the industrial control system, and do not involve the actual security requirements at the level of field controllers and field instruments. Yongucase has a professional industrial design team that designs ideal enclosures for industrial equipment.

3 research progress of related standards

The national institute of standards and technology (nist) has formulated sp 800-82, 800-53 and other industrial control safety standards, and the international electrotechnical commission (iec) has formulated iec 62443 industrial control security series the standard has promoted the testing and certification of measurement and control equipment, such as the international achilles and isa secure certification.

The iec functional safety and information security integration working group tc65/wg20 has carried out research on the integration of functional safety and information security of industrial control systems; influence each other, but the fusion of functional safety and information security has not been studied in depth.

4 technology development trend

As the industrial internet becomes more mature, industrial measurement and control equipment will play an increasingly important role at the edge computing level. At the same time, more and more new security issues will appear. In the security protection of industrial measurement and control equipment, more what new ideas. Combined with the development status of industrial measurement and control equipment security technology, this paper summarizes the following development directions:

(1) at present, there is a lack of evaluation and certification for the integration of functional safety and information security measurement and control equipment, and it is urgent to carry out research work related to its evaluation and certification.

(2) the theoretical and methodological foundations of the fusion of functional safety and information security are weak, the common key technologies and key links supporting means are lacking, the standards and specifications for fusion test analysis and evaluation have not been perfected, and the evaluation service platform has not yet been formed, and relevant research work should be accelerated.

(3) the existing information security means are mainly concentrated in the network layer, and are very lacking in the perception control layer. In the perception layer, the autonomous matching rate of transmitters/actuators in large-scale projects is less than 20%, and the protection methods are almost zero. It is urgent to strengthen the information security protection capabilities of the equipment itself. In the control layer, it is necessary to further standardize the security technology to form a security closed loop with the perception layer. 

(4) with the application of new edge devices such as edge servers, edge gateways, edge controllers, and edge intelligent instruments, it is urgent to study the fusion theory and method of functional safety and information security technology from the design level, as well as fine-grained lightweight advanced, configurable, and easy-to-deploy functional safety and information security components. 

5 conclusion

With the rapid development of digitization, networking, and intelligence in the field of automation, intelligent industrial measurement and control equipment is facing threats such as the increasing number of functional failure factors and the accelerated penetration of information attacks. The urgent need of the structural system, but how to realize the organic integration of the two under the condition of severely limited resources is a huge challenge.

 Yongucase provides industrial measurement and control equipment housings through research on the basic theory, key technologies, product development, industrial design, manufacturing, testing and evaluation of common key technologies in all stages of the entire life cycle of measurement and control equipment, and accepts proofing/batch manufactured, fast delivery, to customers the most ideal aluminum enclosure

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