Implement Tightness test sequence in a binary logic way

J

Thread Starter

Jim

Is there anybody can send me some reference for the tightness test on Burner fuel gas valves (2 block and 1 bleed)?

The logic implementation shall be designed and carried in a binary logic diagram because there is no sequential table/block in the library.

Those 3 valves shall be open/close in different phases according to time delay or pressure condition.
 
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