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I would like to ask what drawings should be produced during the construction phase for the instrumentation and automation specialty in design institutes?
In accordance with HG/T20638-1998 \"Specifications for the Depth of Engineering Design Documents for Automatic Control Systems\", engineering design documents for automatic control systems are divided into conventional instrument design documents and DCS design documents. This post lists the complete content of the instrument design construction drawings below, in the hope that it will be helpful to you. The contents of the instrument design construction drawings can be found at yunrun.com.cn/tech/1001.html. Since each project varies in size and complexity, it isn’t necessary to provide all the documents listed here for every project; instead, during the automation design process, the documents that need to be prepared should be selected based on the specific requirements of the project, in order to create the final instrument design construction drawings to be delivered to the client. Automatic control design for conventional instruments: In China, conventional instruments are still widely used in various industries, and their automatic control design is an important aspect of instrument design. The construction drawings for conventional instrument design should include the following elements: 1. Table of design documents; 2. Regulations for instrument design; 3. Technical specifications for instruments; 4. Requirements for instrument installation; 5. Index of instruments; 6. Table of alarm and interlock set values; 7. Cable list; 8. Pipe and cable list; 9. List of nameplates; 10. Information on instrument heating and insulation; 11. List of instrument air distributors; 12. List of materials required for instrument installation; 13. Cable layout in the control room; 14. Preparation of cable distribution diagrams; 15. Preparation of logic diagrams for interlock systems; 16. Timing charts for sequential control systems; 17. Schematic diagrams of relay interlocks; 18. Circuit diagrams of instruments; 19. Layout diagram of the control room; 20. Layout diagram of instrument panels; 21. Layout diagram of flashing alarm screens; 22. Schematics of semi-analog panels; 23. Layout diagram of relay boxes; 24. Terminal wiring diagrams; 25. Wiring diagrams for semi-analog panels; 26. Diagrams of the instrument power supply system; 27. Wiring diagrams of power supply boxes; 28. Diagrams of instrument connections through panels; 29. Layout diagram of cables (pipes) in the control room; 30. Locations of instruments; 31. General layout diagram of instrument cable trays; 32. Layout diagrams of instrument cables (pipes) and trays; 33. On-site instrument wiring diagrams; 34. Plan view (or system diagram) of instrument air pipelines; 35. Diagram of the instrument grounding system; 36. Instrument installation diagrams.
Automatic control design for DCS systems: The construction drawings for DCS system instruments should include DCS design documents and DCS configuration files. The following provides a detailed explanation of the contents of these DCS design documents and configuration files. DCS design documents: 1. DCS design document directory; 2. DCS technical specifications; 3. DCS system I/O table; 4. Interlock system logic diagram; 5. Instrument circuit diagram; 6. Control room layout diagram; 7. Terminal wiring diagram; 8. Cable layout diagram for the control room; 9. Instrument grounding system diagram; 10. DCS monitoring data table; 11. DCS system configuration diagram; 12. Terminal (safety barrier) cabinet layout diagram. DCS configuration files: 1. Process flow diagram; 2. DCS operation group assignment table; 3. DCS trend group assignment table; 4. DCS production reports; 5. Other necessary documents. It should be noted that, without changing the overall framework, the content of all these documents can be modified according to the needs of specific projects or organizations. All those listed in this article are templates provided in the specifications; when selecting instruments, check whether any changes are needed.
Look for it in the specifications; it’s listed clearly
It depends on the client. It’s better to produce as few images as possible; if too many are produced, less payment will be given, and it will also be very exhausting for one’s own efforts.