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If Solenoidal valve works in manual mode but not in Auto
mode. What should be the problem?

Answer Posted / fellyc

Assume that both Manual Command (PB) and Auto signal comes
from the DCS ( Same DO).
If it works in Mamual Mode and not in Auto Mode, then check
the logic for an interlock or permissive.

Is This Answer Correct ?    3 Yes 2 No



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