This function will return a value indicating whether the general part of quality is bad.
Specifies the QUALITY variable.
0: the quality is not bad.
1: the quality is bad.
QualityGetPart, QualityIsContolInhibit, QualityIsGood, QualityIsOverride, QualityIsUncertain, QualitySetPart, QualityToStr, QualityCreate
INT bad; bad = QualityIsBad(Tag1.Field.Q);