Can PLC cabinets be installed in Class A factories?
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Can a PLC cabinet be installed in a Class A factory building as a positive-pressure ventilation cabinet? I would appreciate some guidance from experts.
Meeting the explosion-proof requirements is feasible; currently, it is only specified that the cabinet room cannot be located within a Class A factory building, and it is acceptable to treat the PLC cabinet as a piece of instrumentation.
Hehe, if you come to Sichuan and it involves cabinets or boxes, you must keep at least 20 meters away from Class A factories
Explosion-proof PLC cabinets are really not popular; a client in Jiangxi refused to allow them to be placed in the control room, and also refused to permit their use in temporary substations
A separate explosion-proof control cabinet is acceptable, in the case of an operation room or a defined control cabinet. . . Make the corrections as soon as possible; if a safety inspection raises issues. . . Rectification within a set deadline plus fines~! !
The requirement to make corrections and suspend production for rectification is no joke
Meeting the explosion-proof rating is sufficient. Important note: Positive pressure explosion protection is difficult to meet SIL level requirements. It is likely necessary to have three separate positive-pressure cabinets and backup gas sources; plus, for operational reasons, it is best to move them outside the area.