Pfsk142 excitation module
Discussion on pfsk142 system software and security
Pfsk142 3bse006505r1 system mainly includes system software, configuration and developed application software. Based on years of development and maintenance experience, I think the safety of DCS system is mainly considered from two aspects: software and hardware.
Hardware security:
Design safety: safety in the design stage is the key to the safety of the whole DCS system. This includes environmental design, such as the layout of operation room and cabinet room, ground style, wall type, lighting mode, electromagnetic interference, partition selection, sound insulation effect, air cleanliness, constant temperature, humidity and ventilation design. Special emphasis is placed on constant temperature and ventilation design. It is recommended to choose the configuration scheme of split air conditioner and filter fan to avoid the air turbidity in the operation room and affect the safety of operation and maintenance personnel.
Integration security: the security in the integration phase mainly involves the connection and configuration of system hardware. Ensure that all hardware devices are correctly connected and configuration parameters are accurate to avoid system failures caused by hardware problems.
Maintenance safety: safety in the maintenance phase mainly includes regular inspection and maintenance of hardware equipment. Regularly replace the equipment parts, clean the dust, and ensure that the equipment operates in the best state.
Software security:
System software: system software is the core of DCS system, which is responsible for managing hardware resources, providing user interface and application program interface. Common DCS systems, such as Honeywell, Yokogawa, Foxboro, abb, fisher_rosent and other companies, have been quite mature in system software development, and their corresponding configuration software also provides perfect inspection functions.
Configuration software: configuration software is used to configure and control various functions of DCS system. Because it provides a rich graphical interface and programming tools, users can customize the development according to the actual needs.
Development tools: sequential programs, interlocking programs or other application programs prepared using the development languages or tools provided by the system (such as ladder diagram, CL language, Tcl language, etc.). The solution of this part of the problem will not exist as long as strict inspection is carried out during the test.
Through the above analysis, it can be seen that the safety of DCS system is a comprehensive problem, which needs to be considered from two aspects of hardware and software. Only by ensuring the safety of these two aspects can the normal operation of the whole system be ensured.
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