According to existing codes and standards as well as the safety control requirements,the control room and rack room of fine chemical projects cannot be arranged inside the Class A and Class B buildings(workshops)and warehouses.After obtaining explosion-proof certification for flexible wiring of electronic wiring 1/0,it can be directly installed and used in explosive gas environments in Class A and B workshops,and connected to instrument signals nearby,but there are many inconveniences.Necessary measures should be taken in the design to arrange dedicated remote instrument rooms in Class A and B workshops,with centralized placement of electronic wiring I/O cabinets for the control system.
关键词
精细化工/甲类车间/机柜/输入/出/电子布线/远程仪表间
Key words
fine chemical industry/class A workshop/cabinet/input/output/electronic wiring/remote instrument room
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